![]() 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. This kit also includes # 7-CS 3-4 clutch piston return spring kit for the input drum which reduces centrifugal 3-4 clutch apply and failure in 1 st gear at 5500 RPM or higher, transmission removal required. The TransGo 4L60E SHIFT KIT Valve Body Repair Kit fits 1993 to 2015 General Motors vehicles equipped with 4L60E, 4L65E and 4L70E automatic transmissions. 2007 and later models equipped with the input speed sensor require transmission removal. This kit can be installed while the transmission is in the vehicle on 1993-2006 models only without the input speed sensor. Learn how to install the 4L60E PRO Reprogramming Kit with this detailed PDF guide. ![]() Lastly, on 1993 to 2008, the gear command feature will allow for full gear lever controlled downshifts 3 rd through 1 st gear as well as holding manual 1 st or 2 nd gear to any speed or RPM. 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. 430 New Large Orange New Small Orange Pin. These changes work in concert with an aggressive line pressure curve to greatly improve the overall durability and shift feel of the transmission. This 4L60E-HD2 Reprogramming Kit fits 1993 to 2015 General Motors vehicles equipped with the 4L60E, 4L65E and 4L70E automatic transmission. 4L60E-PRO Reprogramming Kit Fits 1996-2018 except 2005 Corvette ® New Short Spacer. It includes components as well as modifications that recalibrates the entire accumulation system, clutch and band feed orifices. This TransGo Reprogramming Kit includes valve body, servo, pump and accumulator components and modifications designed to deliver increased durability while providing firm 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 on this transmission are TCC slip or shudder, code P1870 or P0894, harsh 1-2 shift, double bump shifts, 2-3 flare up, burnt 3-4 clutch plates as well as inconsistent pressure boost problems. This 4L60E-HD2 Reprogramming Kit fits 1993 to 2015 General Motors vehicles equipped with the 4L60E, 4L65E and 4L70E automatic transmission. GM 4元0E SHIFT KIT® Valve Body Repair Kit for BMW, Isuzu, Cadillac Corrects/Prevents/Reduces: Chronic low band failure Slipping 1st and 2nd gear 2-3.
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