Engine Idle Vibration (6-Speed A/T)

Engine idle vibration

Engine output low

Torque converter clutch piston defective

Transmission or engine mount defective

Notes

Check the stall speed Stall Speed Test (6-Speed A/T).

Notes

Replace the torque converter.

Notes

Check the engine control system.

Notes

Check the line pressure A/T Pressure Test (6-Speed A/T).

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

Inspect the transmission or engine mount.

Notes

Inspect valve clearance.