Engine Stops When Shifted To R From N (A/T)

Engine stops when shifted to R from N

Drive plate defective or transmission incorrectly installed

Torque converter clutch piston defective

Torque converter defective

Torque converter regulator valve defective

Lock-up shift valve defective

Lock-up control valve defective

Notes

Check for an incorrectly installed transmission, and check the drive plate for wear and damage. Replace the drive plate if it is worn or damaged.

Notes

Check the stall speed A/T Stall Speed Test.

Notes

Check the line pressure A/T Pressure Test.

Notes

Improper alignment of the ATF pump and the torque converter housing may cause ATF pump seizure. The symptoms are mostly an rpm-related ticking noise or a high pitched squeak.

Notes

Be careful not to damage the torque converter housing when replacing the main ball bearing. You may also damage the ATF pump when you torque down the main valve body. This will cause ATF pump seizure, use the proper tools.

Notes

Replace the torque converter.

Notes

Check the torque converter regulator valve and the lock-up control valve in the regulator valve body for free movement, and check the valve springs for wear and damage.

Notes

Check the lock-up shift valve in the main valve body for free movement, and check the valve springs for wear and damage.