![]() Lastly the included high-tension low/reverse case snap ring will save the case if it the snap ring groove is worn out. The converter clutch regulator spring provided increases the TC clutch apply pressure to prevent slippage and performance codes. Additionally, our research has proven that the TC clutch apply pressure was set to low from the factory to handle a highly loaded down vehicle. In addition, the provided pressure control solenoid pressure limit system prevents the EPC solenoid pressure from reaching dangerous levels should the solenoid mechanically malfunction which would result in run-away high line pressure. This kit includes a patented pending drop in two-piece hardened steel pressure regulator valve that allows for some distortion of the pump casting thereby reducing the PR valve from sticking. Also, in hard working vehicles the converter clutch apply pressure is insufficient from factory, resulting in TC clutch slippage or codes. ![]() On the other hand, if the lever is in the drive position it will create a neutral drop condition and damage the low diode assembly resulting in a no forward condition. If the lever is in the reverse range, this pressure spike will blow out the low reverse clutch case lugs. 4l60e 2nd gear corvette servo : Corvette servo pistons provides firmer shifts for competition, heavy duty and pro-street use. transgo 46-PLT-96 heavy duty valve body plate. The increase in engine RPM’s will cause a surge in pump volume that can cause a dangerous pump pressure spike. Sonnax 77998-03K 1-2 3-4 PINLESS ACCUMULATOR PISTON. If the PR valve sticks in the exhaust position while engaging forward or reverse the driver will intuitively rev the engine up to see if the transmission is in gear or not. When the PR valve sticks in the exhaust position, naturally there will be low or no line pressure. The pressure regulator (PR) valve is prone to sticking it its bore in part due to the pump casting distortion. Common complaints with this transmission are run-away reverse pressure, case lug blow out, no movement, slips or no reverse, neutralize at stops as well as converter clutch slippage or codes. This kit is a favorite of professional transmission rebuilders worldwide.This TransGo 5R110W-A SHIFT KIT® Transmission Repair Kit fits 2003 and later Ford vehicles equipped with the 5R110W automatic transmission. Finally, the difference in driving characteristics once the kit is installed is remarkable. The kit also provides TCC regulator valve component options that will work with vehicles with or without active fuel management (AFM). Furthermore, the included drop-in USA-made TCC isolator and regulator valve features longer lands which restores the hydraulic integrity of the circuit by utilizing previously unused and therefore unworn areas of their bore. These changes work in concert with a slight increase in line pressure to greatly improve the overall durability and shift feel of the transmissions. It includes components as well as modifications that recalibrates the entire accumulation system. The kit includes valve body, servo, pump and accumulator components and modifications designed to deliver increased durability while providing short smooth shifts as well as a more efficient TCC apply. ![]() The 3-4 clutch plate failure as well as the 2-3 flare up complaints are caused by an inconsistent pressure boost and poor overall calibration of the shift accumulation system. The TCC slip code leads to the harsh 1-2 upshift as the ECM recognized the TCC slip and commands high line pressure to avoid further TCC slippage and damage. The torque converter clutch regulator valve bore is very prone to wear causing the TCC slip complaints and related code. Common complaints are TCC slip or shudder, codes P1870 and P0894, harsh 1-2 shift, double bump shifts, 2-3 flare-up, burnt 3-4 clutch plates as well as inconsistent pressure boost problems. The TransGo 4L60E SHIFT KIT® Valve Body Repair Kit fits 1993 to 2015 General Motors vehicles equipped with 4L60E, 4L65E and 4L70E automatic transmissions.
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