![]() I know Mooseman doesn't agree with me about the stock TCC qualities. That 3 inch band makes a WAY HUGE difference, especially on a new drum. I was gonna change back to a stock 2-4 servo, but I've kinda grown to like it the way it is.Ĥth gear (OD) has the same feel as the 1-2 shift now too. Now if I'm accelerating more than 1/2 throttle, the 1-2 shift can chirp the tires. Shifts will no longer be vague and the TCC will feel like another firm gear shift. Then add the 3" 2/4 band and new drum, a 5 pinion OD, a Corvette Servo, full teflon/bronze bushings, every Torrington available, a vulcanized Direct piston and that S10 small diameter torque convertor w/TCC LU clutch. I would recommend replacing both shift solenoids while youre in there. of course add the whole Gil Younger Shift-Kit! Introduction: When it comes to the 4L60E transmission, shift solenoids play a. The 2-3 shift solenoid (SS) valve controls the fluid flow acting on the 2-3 shift valves. The most common gear issue for a 4L60E transmission is a loss of third gear caused. If you dink with it, be prepared for the consequences either good or bad. Sunshell- replace with a sonnax or beast shell. A bad or failing solenoid may cause the vehicle to experience hard or. GM Genuine Parts 24212327 Automatic Transmission 3-2 Shift Solenoid Valve. GM Genuine Parts 24248893 Automatic Transmission Pressure Control Solenoid Valve. TCC L/U is a very good, if not misunderstood process. This item: 4L60E 4L65E SHIFT SOLENOID/MANIFOLD PRESSURE SWITCH. The factory built it in - originally to satisfy the Fed EPA and CAFE Standards, but it has carried over as a necessity to let brands of vehicles get better fuel mileage over the competition. To fix this issue, you need to replace the clutch. If you cannot shift into third or fourth gear, a worn-out clutch is typically the cause of a complete loss of third or fourth gear. Remove the bolt, pull out the solenoid and remove the wiring. If that looks ok Id go ahead and replace the solenoid. Check the wiring inside the transmission. ![]() Misfire-like symptoms as well as a slipping and overheating transmission are some telltale signs that a P0755 code is set. If that looks ok, drop the transmission pan and locate the 2-3 solenoid, its on the rear of the valve body. ![]() A complete loss of third or fourth gear can occur. PCM failure, shift solenoid failure, low transmission fluid, and a clogged transmission filter are some of the most common reasons why on-board diagnostics will log this code. 'tuning-out' of the TCC operation will seriously drop fuel economy and create a lot of fluid destroying heat because the convertor is always "in conversion". 81 torque converter) of transmission fluid Below is a list of common transmission problems with the GM 4L60E Transmission and possible solutions to repair. 4L60E Transmission Loss of Third or Fourth Gear Problem.
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