Operation CHARM: Car repair manuals for everyone.

Engine Idle Vibration




Engine idle vibration

Engine output low

Torque converter clutch piston defective

Transmission or engine mount defective

Incorrectly valve adjustment

Notes

Check the stall speed A/T Stall Speed Test.

Notes

Replace the torque converter.

Notes

Check the engine control system.

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

Inspect transmission or engine mount.

Notes

Adjust valves.