1993 to 2015 General Motors vehicles equipped with the 4L60E, 4L65E and 4L70E automatic transmission often have a worn-out accumulator piston pin bore or a broken plastic accumulator piston.
|4L6-FWD||Aluminum forward accumulator piston|
|4L6-2ACM||1995-03 Type two 1-2 accumulator piston (with three legs)|
|4L65-2ACM||2003-15 Type three 1-2 accumulator piston (without legs)|
Features and benefits:
TransGo replacement forward accumulator piston replace both the plastic and the aluminum piston and is thicker than the OE that prematurely break and wear out. The 1-2 accumulator pistons are available in both type two and type three pistons with a .236” diameter pin bore.
- Direct replacement for broken plastic accumulator pistons
- Pressure loss from worn out piston pin bore
- Partial bind-up in manual low with worn 1-2 piston pin bore