Vehicle Moves In D and L But Not In R (Or Moves Forward In R) (5-Speed A/T)

Vehicle moves in D and L but not in R (or moves forward in R)

Shift fork shaft stuck

Accumulator body defective

5th clutch defective

Reverse gears worn or damaged

Reverse idler gear shaft/holder worn or damaged

Reverse selector or reverse selector hub worn or damaged

Notes

Check for a missing shift fork bolt on the shift fork shaft.

Notes

Check the shift fork shaft detent for wear and damage.

Notes

Replace the regulator valve body.

Notes

Check the stall speed in R Stall Speed Test (5-Speed A/T).

Notes

Check the 5th clutch pressure A/T Pressure Test (5-Speed A/T).

Notes

Inspect the clearance between the clutch end-plate and the top disc of the 5th clutch. If the clearance is out of tolerance, replace the 4th/5th clutch assembly.

Notes

Replace the accumulator body.

Notes

Inspect the reverse idler gear shaft/holder for wear and damage.

Notes

Inspect the reverse selector gear teeth chamfers, and inspect the engagement teeth chamfers of the countershaft 5th gear and the reverse gear. Replace the reverse gears and the reverse selector if they are worn or damaged. If the transmission makes clicking, grinding, or whirring noises, also replace the mainshaft 5th gear, the reverse idler gear, and the countershaft 5th gear.