Accumulator Assembly (4L80-E): Removal
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 Chevrolet RV Cutaway, and 2002 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the oil pan and filter. See DRAINING & REFILLING under LUBRICATION. Remove the Transmission Fluid Pressure (TFP) manual valve position switch bolts and the TFP valve position switch. The 5 O-rings should remain attached to the TFP valve position switch.
- Remove the control valve body assembly bolts. Remove the fluid level indicator stop bracket. Remove the lube oil pipe retainer and the clamp. Remove the lube oil pipe.
- Remove the manual shaft detent spring assembly. Remove the control valve body assembly (44) which includes the accumulator assembly. See Figure .
- Remove the 3rd and 4th clutch accumulator housing bolts (53). Remove the 3rd and 4th clutch accumulator housing (51). Remove the accumulator housing gasket (47). See Figure .
- The accumulator housing gasket may be stuck to the spacer plate (46). Remove the 3rd clutch accumulator piston spring (50). Remove the 4th clutch accumulator piston spring (49). See Figure .
- Remove the control valve body spacer plate (46). Remove the control valve body assembly to spacer plate gasket (45) from the spacer plate (46). See Figure .
- Inspect all components for wear or damage. See Figure . Replace all worn or damaged parts.