Vehicle Moves In R, But Not In D and S (A/T)

Vehicle moves in R, but not in D and S

1st accumulator defective

1st gears worn or damaged

1st clutch defective

Notes

Check the 1st clutch pressure A/T Pressure Test.

Notes

Inspect the clutch piston, the clutch piston check valve, and the O-rings. Check the spring retainer and the retainer seal for wear and damage. Inspect the clearance between the clutch end-plate and the top disc. If the clearance is out of tolerance, inspect the clutch discs and the plates for wear and damage. If the discs are worn or damaged, replace them as a set. Inspect the clutch wave-plate height. If the height is out of tolerance, replace the wave-plate. If the discs and the plates are OK, adjust the clearance with the clutch end-plate.

Notes

Inspect the 1st clutch feed pipe. If the 1st clutch feed pipe is scored, replace the end cover.

Notes

Replace the secondary shaft if the bushing for the 1st clutch feed pipe is loose or damaged.

Notes

Check the 1st accumulator piston, the O-ring and the springs in the regulator valve body for wear and damage.