It requires 8.4 quarts (9.64″ torque converter) or 11.4 quarts (11.81″ 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. I have a 1993 pontiac sunbird 4.0 LE engine. If you are rebuilding a 4L60E transmission, get a good manual, either a factory service manual, or the ATSG 4L60E guide. I have read that you can unplug the wire to it, and it will not harm the car, but I will use more gasoline. I took it back to the transmission shop and he changed a spring in the valve body. E: ignition power feed from TCM to solenoids . It worked fine for about 3 months, then the other day it started the hard shift thing again. 4L60E 4L65E Performance pack contains a .490" OD Boost valve with sleeve, servo piston D-Ring kit, pressure regulator spring, 4th servo spring, 3-4 accumulator piston kit, forward accumulator kit, 1-2 pinless accumulator piston kit. Performance Automatic fits its 4L60E … However, if your trans is, in fact, a 4L60E, running it off a computer is mandatory. The A74741QA can easily be converted into the A74741Q by cutting the stem off at the groove. Find Sonnax Transmission Company 4L60E-LB1 Sonnax Hydraulic Line Pressure Booster Kits and get Free Shipping on Orders Over $99 at Summit Racing! It tends to break around the hub, and it doesn't take much for it to fail. D: pressure control solenoid low . Thats not hot by any means, but it is consistent. Below is a list of the weak points in a 4L60E transmission. Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together, providing progressive pressure increases as driving conditions … 3. 4L60E Modifications. $10.88 $9.77 $13.95. Review Subject ... 4L60E 4L65E 4L70E 700R4 TRANSMISSION 3-4 CLUTCH LOAD RELEASE SPRING ASSEMBLY AC-DELCO 8667424. On "E" transmissions, the computer controls everything: TCC … 4L60E TRANSMISSION TCC VALVE UPGRADE REPLACEMENT FIX P1870 CODE 7 '95-'00 BY TECKPAK. If I do this, is … Support Details for P1870 CODE FIX for GM 4L60E (Early) Back: SKU #: A74741Q • Purchase This Item P1870 CODE FIX for (1996-99) GM 4L60E. C: pressure control solenoid high . More Information Add to Cart. Rating Required Name Email Required. Transmissions plug pin identification 1995 and up. B: 2-3 shift solenoid ground signal . 4L60E Technical Information . Got a P1870 in your '96? You can see the slot I cut across the the outer three ridges to allow AFL oil to bypass the solenoid valve, and act on the TCC isolator valve. These need an upgrade when putting more than ~300 horsepower through a 4L60E: Input drum Overrun clutch hub Output shaft T: tcc solenoid (on/off in pump) U: tcc pwm solenoid (valve body) The 4L60E transmission weighs 146 pounds dry, and 162 wet. 4l60E TCC slip problems, is there a way to tune it out 2003 Yukon Denali 6.0 with 4L65e, built with Beast sunshell, shift kit, alto frictions, Trailblazer converter. 3rd and 4th do not slip but the TCC slips once my tranny oil gets to the 170 degree range. A: 1-2 shift solenoid ground signal . (Updated 10/1/2019 by Sherlock9c1 because the old "stake or block the valve" method would balloon the converter and wear the crankshaft thrust bearing.) ... No wonder GM eliminated this solenoid from the 4L60E in 2009... 01 Sonoma Crew Cab 4WD 4.3 auto (SOLD) ... economy from early torque converter clutch engagement, and it looks quite promising. Why? AC-DELCO. I was told by a repair shop that my throttle converter clutch solenoid (TCC solenoid) is bad. One 4L60E weakness is the factory sun reaction shell. I recently had my 4l60e in my 2000 silverado rebuilt and everything worked fine for a couple of months and then it would do a hard shift from 1st to 2nd on occasion.