Yes! I have to remove it , as there is a nonremovable crossmember under it. Performance Automotive and Transmission Center has developed a full line of billet torque converters with lock-up for General Motors, Ford, and Dodge transmissions for applications ranging from improved factory performance. Like earlier automatics, the 6L80 features one line pressure tap available for testing and diagnostic purposes. In 1993 the transmission became electronically controlled, instead of hydraulically, and the name became 4L60E. Code P1811 puts the transmission in max line pressure once it sets and can be another culprit and maybe why it is not found as often on the 03+models because there was a newer designed pressure control solenoid used that didnt have near as many problems as the earlier versions. Line pressure is routed through the valve and into both the converter feed and decrease fluid circuits. Fortunately I had the foresight to buy a transmission pressure gauge. However, they also give an AODE/4R70W greater longevity because they reduce and even eliminate slippage, allowing clutches and bands to engage with a minimum of deterioration. Stock Programming: Light-load cruising speed 150-170psi and very reactive to engine load. But an under-performing pump can cause low line pressure that is the cause of multiple problems. PCM/TCM tune, excessively high line pressure, trans setup, and driving habbits all play a role in longevity of parts like this in a high HP vehicle. It is now considered to be one of the finest overdrive automatic transmissions ever produced. What I did with C4 700 R4. T: tcc solenoid (on/off in pump) U: tcc pwm solenoid (valve body). for detailed explanations. 1962 289 Cobra Slabside Fiberglass Replica body only See pics for exact conditionmade in 2013 needs to be glassed together below doors and bottom of rockers, and around all edges , has air bubbles and screw holes that will need to be filled , made with epoxy resin, will need to be finished with quality epoxy resin like " west marine epoxy" i can supply a hood without scoop if buyer would like. Deterioration at the balance spool end allows critical fluid loss, resulting in high line pressure, harsh shifts, and overheating due to reduced cooler/converter flow. If reverse is slow to engage, and line pressure does not come up to at least 130psi in reverse, replace the boost valve with a Transgo 0. The Sonnax large ratio boost valves and stronger pressure regulator springs are designed to work together. could be a failing epc solenoid or it could be blocked, which would also cause high line pressure. In R: 64-75psi Min. Going to check line pressure, before I remove it to replace all the solenoids. 4L60E/65E/70E- 4L80E/85E DIAGNOSTIC CODE BOOK. Pressure gauges were finally hooked up to the transmission cooler lines. I've checked the voltage at the FCC…Battery full, 12. Once you have set up the T. • Pressure switch assembly, code 28 is not set. 7L Vortec V8 under the hood and the 4L60E transmission. This was for 4L60E trans, not the 4L80E. 700R4 / 4L60E / 4L65E / 4L70E Loaded Smart Tech Input Drum with Billet Input Shaft. Using a 0-100psi oil pressure gauge and the appropriate adapter connect into the port making sure not to over tighten and risk cracking the housing. In this article we are going to talk about the part of the automatic transmission called the torque converter. If this doesn’t fix your problem, don’t get 4l08e, once you fix the problem, you won’t see this 2 months down the road because you didn’t change them. 7 L PowerStroke. Your message says A-Body, but your request says Camaro, which is an F-Body. Step inside this Jeep and you will find yourself surrounded by high line luxury that is backed up by serious capability. I guess its a short cut around actually tuning the line bias in with heavier spring/s to match. Line Pressure Control Test on a 99 GMC Pickup - this checks the PCM's ability to control line pressure via the EPC solenoid - the gauge is connected to the line pressure test port and the scan. The new Superior spring also comes with an added valve stop sleeve, which will save the new spring from the failure. Every auto trans has main line pressure from the pump or it is a no go, on older vehicles the tv cable usually modulated the pressure along with a vacuum modulator, from about 91 up most GM cars were pcm controlled by analog engine/speed inputs and solenoids in the valve body. Code P1811 puts the transmission in max line pressure once it sets and can be another culprit and maybe why it is not found as often on the 03+models because there was a newer designed pressure control solenoid used that didnt have near as many. Transmission Line Pressure Specifications. The forward gears should read roughly around 90 130 or so from the top of my head. This allows you to flop them one side to the other to tweak your shackle angle a little bit if need be, even if you have already drilled your holes. 700R4 - Why Drill? My name is Joe, from Columbus, Ohio. [10037] Good 投稿者:naomi 投稿日:2006/10/15(Sun) 16:52:52 mature saggy boobs More or less not much noteworthy happening today. And upon doing so, the PCM elevates the transmission main line pressure and stops converter clutch apply. However, they also give an AODE/4R70W greater longevity because they reduce and even eliminate slippage, allowing clutches and bands to engage with a minimum of deterioration. 4L60E Technical Information. D: pressure control solenoid low. If the splines on the reaction sun shell are stripped out then you will lose reverse, second and fourth gear. and there was no pressure. Note: There’s no direct 1:1 gear as with most transmissions. A typical automatic transmission uses a number of different solenoids for different purposes. As a result, it will slip and burn clutches. Someone else asked this, is the idle too high?. Common causes:. In R: 64-75psi Min. Up for sale is a oil pressure sensor / sender wiring connector plug for Mopar vehicles. This model had no radio/audio equipment, no air conditioning, and no rear seat. It worked perfect the first time I tried it, no adjustments neccesary, and very light pedal pressure even for a heavy duty 12" clutch. Gm 4L60E transmission technical information. but they all are metal so I would use a high pressure hose, and prepair for a clean up. Sensors include engine speed and throttle position, transmission speed, hydraulic pressure and transmission fluid temperature. One code that has been a big problem with the 4L60E is the code 1870 trans component slipping. by the ATRA Technical Department 40 GEARS September 2005 The names and towns have been changed to protect the innocent. PCM/VCM has on-board self-diagnostics to help identify any parts or circuits. The Sonnax line-to-lube pressure regulator valve provides a significant increase in cooler flow under low RPM and high pressure conditions that benefits all vehicles, and eliminates the need for reprogramming '99-later vehicles with high EPC pressure at idle. Pick up a used 4L60E transmission and upgrade it with the ability to handle 500 horsepower. Problems such as line pressure, lubricant shortage, torque converter lockup/slippage/shudder, clutch and band failure. An electrical booster option is the only way to raise pressure on an RFE. Codes can be cleared by. Special safety note: Never throw any 3-speed transmission into neutral when you cross the finish line, leave the transmission in high gear as you slow down. Have you measured the line pressure using a gauge on the line tap on the side. http://fucking. The boost sleeve actually moves in the pump, causing the bore to wear; when replacing boost assembly, install an aftermarket boost sleeve equipped with external O-rings to prevent leakage. Line Pressure Control and Rise Systems. 75 inches in the shallow versus deep pan but I am not sure what that means in terms of the actual filter. system, you will need to bring the engine up to operating temperature and perform the following three tests as follows:. Boost Valve (219) The pressure relief ball and spring (229) prevent line pressure from exceeding approximately 2240 to 2520 kPa (320 to 360 psi). The top row shows innards of the pressure regulator valvetrain, which controls line pressure (from left: pressure-regulator valve, spring, pressure-regulator isolator, reverse-boost valve, and. Max line pressure should be at least 190psi at WOT in 1st or 2nd, 225psi is optimum. Nec office phones multi line model ip4ww-12txh-b-tel bk manual; Oxo seedling high chair manual; Audi a6 manual transmission fluid; Nhl 13 xbox 360 manual; Toshiba ct rc1us 18 manual; Manual crank sit stand desk; Technics rs-tr165 service manual; Philips ice cream maker hr 2968 manual; Sunbeam cafe barista manual coffee machine model em5000. Champagne-Ardenne. Transgo HD2-C kit fixes first two without removing trans. There are no codes in memory and scan data shows that the desired and. 7L engine and a 4L60E transmission. In R: 64-75psi Min. Problems such as line pressure, lubricant shortage, torque converter lockup/slippage/shudder, clutch and band failure. 472 TV Boost Valve: Higher line pressure for 7-CS 700, 4L60E 81-up Heavy Duty towing, Off road, and Performance. Find many great new & used options and get the best deals for 46RE, 46RH, 47RE, 47RH, 48RE HD Servo/ Acc Piston / Solenoid & transducer at the best online prices at eBay!. This is a Stick Shift which features Full Manual Control. 2 was rated 257lbs of torque at 2k rpm. Whether you need 4L60E wiring diagram information, 4L60E transmission rebuilders tips, 4L60E technical information, 4L60E diagnostics, 4L60E troubleshooting help, or just answers to your 4L60E transmission rebuilders question, the Transmission Rebuilders Network is the place to go!. It has high line pressure and hard shifts. Gm Heavy Duty 4l60e 4l65e Input Drum 300mm With Sonnax Sleeve And Pistons. The GM clutch was cheap , as was the Wilwood master at $55. The best way to improve oil flow is to replace the OE valve with the Sonnax line-to-lube PR valve. It is used to actuate clutches and bands. Sonnax 4L60E transmission line pressure boost valve - Duration: 2:07. Nella classifica di oggi parleremo di quelle squadre che lotteranno per arrivare ai playoff con un occhio sempre nello specchietto retrovisore, visto che gli scorsi anni hanno messo in evidenza quanto sia poca la distanza […]. well they were busted so i actualy dont know how much pressure is on them. FLEX-SHIFT ™ Shifter re-mapping. The TCC isolator valve wears out its bore in the valve body which starves the torque converter clutch for apply pressure. and low line pressure. I have mine set up so the line from the bottom fitting goes to the top of the radiator cooler. 4L60E Tranny Temp Mine gets to 142 C. 500" boost valve (easy fix in pan), and replace the servo with an upgrade servo from a Corvette 4L60E. How to Replace a Pressure Control Solenoid Valve in a Transmission by Ryan Hotchkiss Transmission power control solenoid -- PCS -- valves are duty cycle-controlled components that manage the pressure of transmission fluid. Bypassing the cooler substantially reduced the forward pressure on the crankshaft. The best way to improve oil flow is to replace the OE valve with the Sonnax line-to-lube PR valve. The transmission pressure control solenoid controls the fluid pressure to the internal friction plate clutches or drum bands. Critical to the life of your 2004R or 700R4. Gm Heavy Duty 4l60e 4l65e Input Drum 300mm With Sonnax Sleeve And Pistons. So I have to figure out what is causing the P1870 code. Built 65 Guys And Your 3-4 Clutch Pack Sign in to follow this. More Details. Learn about this problem, why it occurs, and how to fix it. Pressure Solenoid Control 4L60E Warner EPC Borg 03-UP Motor Force New New Force Motor Pressure EPC Borg Solenoid 03-UP 4L60E Control Warner $25. The forward gears should read roughly around 90 130 or so from the top of my head. All pumps with heat-treated stator tubes are machined and pinned to eliminate the tube from spinning in the support and closing off the lube circuits. Line pressure from the hydraulic pump is supplied initially to the pressure regulating valve, manual valve, governor, 3-4 shift valve, 'E' clutch and damper, throttle valve, modulator valve and torque converter pressure (and reversing) valve. Some vehicles may be in transit. Pressure Related ATF Leaks occur when the engine is running and fluid pressure is built up inside the transmission. Hard shifts cause internal damage and eminant failure. Most good aftermarket torque converters contain high carbon lockup clutches that are strong and allow you to lock them solidly, thus saving wear on the clutch and increasing longevity/durability. The leading community for third generation F-Body car discussion. Cause: two things make this transmission back up: one the reverse input clutches, can be wiped out due to bushing wear and ring damage on stator, second is low reverse clutches wiped out. Possibly you misunderstood what the mechanic was saying. Secondly, put a line pressure gauge ($55 shipped on Ebay, or visit a local Transmission shop) on the pressure test port and go for a drive to verify proper line pressure. Full line pressure control for each individual shift, providing superior shift quality. 4 quarts (9. Sorry for inconvenience. Up for sale is a oil pressure sensor / sender wiring connector plug for Mopar vehicles. Thus, possibly a pressure build up on one side and little or no relief on the other. Main Line Pressure Tables: Put these back to near stock! Note: DO NOT RUN HIGH LINE PRESSURE (over 100) ON A 4L80E, else it will burn up quickly!!! Shift Points: Based on personal preference and rear gear, you may like it to shift earlier or later. Automotive Recalls and Technical Service Bulletins for 1994 Chevy Truck K 1500 Suburban 4WD V8-350 5. Mfg Retail: $52. Some vehicles may be in transit. The only way to retrive trouble codes is with a scanner such as Tech 2 , snap-on, otc or equivelent. If you feel that the engine seems like it is turning faster than it should be while going down the highway, than you could have an issue with torque converter refusing to lock up. Online Library. 81″ torque converter) of transmission fluid, Top 30 Common 4L60E Transmission Problems and Repair Below is a list of common transmission problems with the GM 4L60E Transmission and possible solutions to repair. If the hose is broken or missing, there will also be a vacuum leak at the carburetor, causing a rough/high idle and possible an intermittent backfire. Transmission Line Pressure Specifications. 3 ltr V8 I am wanting to do a simple fluid flush to get all of the old ATF that I possibly can out of my 4L60E transmission. 81" torque converter) of transmission fluid, Top 30 Common 4L60E Transmission Problems and Repair Below is a list of common transmission problems with the GM 4L60E Transmission and possible solutions to repair. GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Note: 1998 and later C & K trucks and G vans use a deep pan and filter assembly. However, too high of pressure can cause premature pump wear, blow out lines, gaskets, and can even blow out your torque converter if the pressure spikes too high. Just replaced trans with a new rebuilt trans from GM. Open the door and you will immediately notice the new door panels with entry way guards. And putting a 96 trans into a 91-93 truck without making any changes WILL cause issues due to the different control logic used for controlling line pressure. D: pressure control solenoid low Line Pressure - psi (kPa) 169-195 (1165- 167-194(1151. 4 quarts (9. These problems are usually caused due to a cross leak at the sleeve. To Remove: Remove two 8mm bolts retaining manual lever position sensor (MLPS) to case. However, they also give an AODE/4R70W greater longevity because they reduce and even eliminate slippage, allowing clutches and bands to engage with a minimum of deterioration. All orders ship fast for only $5. becarefull with the stepped plates if you run high line pressure. Failsafe causes harsh shifts and high line pressure. 81″ torque converter) of transmission fluid, Top 30 Common 4L60E Transmission Problems and Repair Below is a list of common transmission problems with the GM 4L60E Transmission and possible solutions to repair. Sonnax 2nd gear super hold servo kit 22301B-01K is the largest and most leak-free servo available for Chrysler A618 (618) 47RH, 47RE and 48RE units. The pump is usually located in the cover of the transmission. Base pressure at idle in P,N,OD should be around 70psi and around 140psi in R. Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. In limp mode, the line pressure goes very high. It was later used on minivans, the 200 (with both engines), and the Ram ProMaster. Two of the Most Common Transmission Failures. Clark Forklift Transmission Oil; Toshiba Car Stereo Wiring Diagram; Kawasaki Jetski 750 Owner Manual; Tornado Betsy Byars Comprehension Questions; Examination Coun. 700r4 pressure questions I have a 700r4 I am in need of answers. 1994 chevy K1500 4L60 E high line pressure tans has been replaced for the second time same high pressure. The pressure does not change when I rev the engine. constant high line pressure 4l60e I have a strange problem with my rebuilt 4l60e 1995, I have a constant line pressure of about 180psi in all gears including park and neutral. An extra O-ring is provided for a second attempt. TCI® Full Manual Valve Bodies allow for quicker shift timing and the ability to run higher line pressures than with an automatic shift. Transgo HD2-C kit fixes first two without removing trans. Note: 1998 and later C & K trucks and G vans use a deep pan and filter assembly. Soft shifting, gradual performance degradation: Poor line pressure rise due to leaking boost valve, clogged EPC filter screen, failing EPC solenoid, or worst case: leaky seals throughout. Every effort has been made to ensure the accuracy of the information presented. More Details. This is a direct fluid passage to the transmissions internal hydraulic pump. Probably too high line pressure or they took the wavey plates out of the reverse clutch pak. Like earlier automatics, the 6L80 features one line pressure tap available for testing and diagnostic purposes. If this valve is not installed during the rebuild the transmission will exhibit diminishing line pressure, which can result in burnt clutches (transmission failure) and loss in TCC apply pressure and resulting in converter failure due to overheating. 4L60E Technical Information. Some trouble codes will default the transmission to high line pressure, which will give harsh shifts. Some guys like to drill a line-to-lube hole as well. Truck is a 93 1500. I have had some vehicles that the trans flush machine would not run on until I brought up the vehicle RPM's, since at idle the trans did not build enough pressure to run the flush. It reduces the need for aggressive lever ratios, excessively high line pressure and other radical modifications to achieve firmer shifts. Which trans line is the high side ? front or back line. 1962 289 Cobra Slabside Fiberglass Replica body only See pics for exact conditionmade in 2013 needs to be glassed together below doors and bottom of rockers, and around all edges , has air bubbles and screw holes that will need to be filled , made with epoxy resin, will need to be finished with quality epoxy resin like " west marine epoxy" i can supply a hood without scoop if buyer would like. html femcum http://2sdxx. Transmission whine FIXED!!!!! Well, for those of you who changed your transmission fluid and then developed the dreaded whining sucking whirring noise in 1st and 2nd gear, I've got GOOD NEWS. A failing torque converter with high fluid pressure can cause more power to be transmitted than normal from time to time. 2000 - 2005 performance built 4l60e transmission (kingwood) Sold at 750 $ Fully rebuilt 2000 - 2005 4l60e for ls engines. Re: 4L80E Transmission Problems: james d smith: 7-25-08 : Thank you for taking my question,A friend of mine wanted to buy my 1994 gmc 2500 4x4 diesel 6. In R: 64-75psi Min. Transmission Line Pressure Specifications. One of these components is the transmission oil pressure switch, which is designed to monitor the amount of pressure built up inside the transmission case as fluid flows through a series of chambers and channels to permit the transmission to smoothly shift gears. The valve and sleeve can be replaced easily during a routine service of the transmission for around $50. 1 amp for maximum line pressure, to 1. Fortunately I had the foresight to buy a transmission pressure gauge. B: 2-3 shift solenoid ground signal. Apparently the computer needs several inputs (wheel speed, outputshaft speed, throttle position, and several others) that it uses to determine line pressure, amongst other things. spring may be found broken upon inspection of the valve body due to the coil binding under high line pressure situations. Codes can be cleared by. HD 4L60E/4L65E/4L70E 3-2 Downshift Valve Spring and Valve Stop by Superior Transmission Parts. Exterior; Daytime running lamps; Daytime running lamps; Dual composite halogen headlamps w/auto on/off; Removable tailgate w/badge name/decal; Heating, Ventilation & Air Condition. New 2016 info about Pressure Regulator Control Solenoid Circuit Mazda Protege Shift c high: Line duty: 4l60e location Get more info about solenoid control. MegaShift 4L60E Control Strategies. This replacement spring and valve stop works with 4L60-E 1996 and up. In 1993 the transmission became electronically controlled, instead of hydraulically, and the name became 4L60E. 4 quarts (9. A common problem with these ECMs is high line pressure that generates customer complaints of harsh 1-2 shifts. Some E4OD, 4R100 transmissions have soft 1-2 or 2-3 shifts, intermittent harsh shifts or poor line rise complaints. On vehicles without a throttle pressure tap, remove the throttle valve plunger. The PCM monitors and compares engine speed to vehicle speed after the converter clutch has been commanded ON in either high gear or Overdrive. If max pressure is low, check EPC solenoid. Rebuilt & Remanufactured Transmissions Teardown Department All cores are pre cleaned and drained externally so that when the tear down technician receives it he can focus on the quality of parts, not years of dirt and grime. Line pressure booster kit 4L60E-LB1 fits early-style GM 4L60-E, 4L65-E and 4L70-E pumps. Franche-Comte. 7 L PowerStroke. Note: 1998 and later C & K trucks and G vans use a deep pan and filter assembly. 1962 289 Cobra Slabside Fiberglass Replica body only See pics for exact conditionmade in 2013 needs to be glassed together below doors and bottom of rockers, and around all edges , has air bubbles and screw holes that will need to be filled , made with epoxy resin, will need to be finished with quality epoxy resin like " west marine epoxy" i can supply a hood without scoop if buyer would like. These sensors all go to the ECU, which is the brain for the entire drivetrain. The primary reason these shells break is because of high line pressure. These problems are usually caused by reverse boost oil that enters the torque signal circuit due to a wear-created cross leak at the sleeve. A failing torque converter with high fluid pressure can cause more power to be transmitted than normal from time to time. Street Cruiser Series (Level 1) 4L60E. The pressure gauge must be connected to the transmission at the location shown above. Automotive Recalls and Technical Service Bulletins for 1993 Chevy Truck K 1500 Truck 4WD V8-350 5. This is a direct fluid passage to the transmissions internal hydraulic pump. could be a failing epc solenoid or it could be blocked, which would also cause high line pressure. No leaks or other signs were evident before the failure. B: 2-3 shift solenoid ground signal. 25 versus 3. Hello everyone, Im new here on BITOG and have a question about which fluid to run in my 1997 4l60e transmission. Nissan Navara 1999 D22 Diesel Full Alluminium Radiator Rad Alloy 4x4 4wd Drive. Code P1811 puts the transmission in max line pressure once it sets and can be another culprit and maybe why it is not found as often on the 03+models because there was a newer designed pressure control solenoid used that didnt have near as many. The 4L60E transmission weighs 146 pounds dry, and 162 wet. to 300-325psi Max. Functional - 2004 Chevrolet TrailBlazer By horsepower7 - December 10 - 4:04 pm i have owned it since 2005 and when i bought it the dealer put a towing package on it it had about 100,000 miles on it. it is great for light towing. Includes high performance bushings, seals and high flow lube circuits. Heavy Line Mech, Race Shop Owner. Line pressure boost valve #14 Boost oil Rev 4. I promise you that the next transmission I have to replace or any other person I hear of needing a transmission I will be heavily promoting Monster Transmission and tell them that I personally use Monster Transmission. The only way to retrive trouble codes is with a scanner such as Tech 2 , snap-on, otc or equivelent. Trying to figure out if stall or trans pump is making the noise. Note: 1998 and later C & K trucks and G vans use a deep pan and filter assembly. shift is related to speed sensor,tps may have to do with trans pressure control for a quick response to. Deterioration at the balance spool end allows critical fluid loss, resulting in high line pressure, harsh shifts, and overheating due to reduced cooler/converter flow. Skip the Repair Shop. Common pressure related fluid leaks include: > leaking front pump or front pump seal > leaking output shaft seal > loose or damaged oil cooler line or line connection fitting > damaged or deteriorated side cover gasket. The pressure control (PC) solenoid valve is an electronic device that regulates transmission line pressure based on the current flow through its coil winding. Fixes converter slip, bushing wear and planet burnups. Built 65 Guys And Your 3-4 Clutch Pack Sign in to follow this. Prevents boost pressure from causing runaway line charger or Turbo pressure. I have a strange problem with my rebuilt 4l60e 1995, I have a constant line pressure of about 180psi in all gears including park and neutral. It will convert back to automatic if using factory or aftermarket controller. I had to have a custom hydraulic line made up. WOT shifts are the most difficult for a transmission to do; if it's hurting, then don't WOT shift it! Transmissions that don't shift at WOT often don't have enough line pressure to complete the shift. You may have to register before you can post: click the register link above to proceed. The pressure control solenoid (or force motor) is controlled by the PCM by varying the current flow to the solenoid. The transmission on your car is something that must be maintained for your car to run properly. This can increase converter drain back, but with the new manual valve, drain back should be a non-issue. it causes the TV boost valve to default to high line. LS1 V8, Pacemaker headers, 2. Clark Forklift Transmission Oil; Toshiba Car Stereo Wiring Diagram; Kawasaki Jetski 750 Owner Manual; Tornado Betsy Byars Comprehension Questions; Examination Coun. 17 Inch Winter Tyres Original Mini Cooper F55 F56 F57 Styling 562 6858899 (f11). What sky high line pressure does to a 2-4 band at a WOT 1-2 shift behind a ZZ430. Fixes code 628 and low lube. The leading community for third generation F-Body car discussion. 4 quarts (9. The torque converter is a fluid turbine drive and - like those on its predecessor transmissions, the TH350C, 700R4, 4L60, and 4L80E - features a lock-up pressure plate for direct mechanically coupled driving from the engine crank. HYDRA-MATIC 4L60-E ELECTRONIC CONTROLS ABC123 Entire Article 2000 Chevrolet Camaro PCM/VCM receives signals from various transmission sensors. The max line pressure can cause problems if the transmission isn't modified for it. These problems are usually caused due to a cross leak at the sleeve. This will fool the gearbox into recognizing low throttle, and it will run low line pressure. The pump is usually located in the cover of the transmission. It is more robust in the area behind the bellhousing than most other units. GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. High Quality Rebuild Components From Base Models To High 48RE Line Pressure Plug & Sleeve Kit. I'm configured for pretty high line pressure shifts across the board and the other shifts are good. The TV bore wears out easily in 48RE transmissions, causing much higher rates of poor line pressure rise. Seal restorer may fix last problem, but probably R&R. In drive, line pressure is 150 PSI at idle and 180 PSI at full stall. High performance applications like towing and high torque engines can build heat in the transmission and break down fluids. Re: 4l60e shift issues Boost valve or pressure regulation is stuck on high pressure. email Eric reply to message post new message search forums:. The Pressure Control (PC) solenoid valve is an electronic device that regulates transmission line pressure based on the current flow through its coil winding. If anything, the pressure increase is negated by the extra line and resistance to flow, returning the tranny pressure back to OE specs. One code that has been a big problem with the 4L60E is the code 1870 trans component slipping. Sonnax Smart Sun Shell 77749-02k 4l60e 700r4 4l65e 4l70e Smartshell 99930. Online Library. Yes! I have to remove it , as there is a nonremovable crossmember under it. Check case dams and passages for breakage from high line pressure spikes (see Transgo Shift Kit). I’m just saying that it’s possible that ram is really making an effort to step up their quality, and we all know they’ve had the look factor over any. To Remove: Remove two 8mm bolts retaining manual lever position sensor (MLPS) to case. com/ http://www. Common problems in vehicles with GM 4L80-E and 4L85-E transmissions include uncontrollable line rise (upward of 500 psi), high line pressure in Reverse, broken direct clutch drums and/or broken cases. Like any other sensor, it can become damaged or simply wear out over time. When this line pressure builds up it will apply the clutch essentially providing a one- to- one direct connection between the engine crankshaft and the transmission input shaft. Base pressure at idle in P,N,OD should be around 70psi and around 140psi in R. As for my setup, I'm running a modified 4l60e with upgraded clutches, pump, etc, along with AN lines and a heavy duty external cooler with fan. This is normal pressure that occurs due to higher pump output caused by the increased engine speed. Perfect for heavily-loaded vehicles. 4x For Sale. Thus, possibly a pressure build up on one side and little or no relief on the other. PCM/VCM has on-board self-diagnostics to help identify any parts or circuits. As already suggested disconnect the other line at radiator, and you may want to reconnect the upper line first. Just replaced trans with a new rebuilt trans from GM. Some guys like to drill a line-to-lube hole as well. It is the max pressure the transmission can operate at without fear of damage. A vacuum modulator is a simple system that defaults to max line pressure when unhooked. If you experience high line pressure in "PARK", a-ring may have rolled during installation. to 300-325psi Max. Your trans expert will have the tools to test this. The first step in all of this would be to verify line pressure. The 4L60E transmission weighs 146 pounds dry, and 162 wet. The trouble with having a slipping transmission in your car is that it's very difficult to tell what is going on inside without special tools or without tearing the transmission. 4 quarts (11. It receives inputs from sensors like the MAF or MAP, VSS, and ECT and then compares them to information stored in its memory. These readings can be obtained by attaching a 300 psi fluid pressue gauge to the appropriate pressure port on the transmission, and running the engine at 2000 rpm. The slip is not much but the computer will see it and cause high line pressure that will break parts. info/femcum. Transgo HD2-C kit fixes first two without removing trans. It may be a rare incident, or the engine might seem to be speeding up and slowing down in a cycle. We also update the Boost Valve with a Sonnax Boost Valve. Both the Transgo 4L60E-HD2-C kit and the SK4L60E L kit have a replacement TCC (Torque Converter Clutch) regulator valve. 16% more apply area provides more band holding power in 2nd gear. I’m just saying that it’s possible that ram is really making an effort to step up their quality, and we all know they’ve had the look factor over any. Find out about the 4 symptoms that suggest the transmission filter needs replacement, and learn how to replace the filter yourself. Transgo makes a kit to repair this. To accommodate this change, the oil channeling for the solenoid has been changed. to 300-325psi Max. Line Pressure Control Test on a 99 GMC Pickup - this checks the PCM's ability to control line pressure via the EPC solenoid - the gauge is connected to the line pressure test port and the scan. MegaShift 4L60E Control Strategies. Automatic transmission failed. I was getting on the interstate tonight and hit it in my sisters 3/4 bolt on ls1 and i am pretty sure that the trans was slipping through 1st. http://fucking. spring may be found broken upon inspection of the valve body due to the coil binding under high line pressure situations. I was driving and the car continued to stall on me and the rpm cept jumpy like crazy up and down. Park your car on a level ground, if the fluid is about 1/4 of an inch higher than the FULL mark, it doesn't h. https://www.