Engine Idle Vibration

Engine idle vibration

Low ATF level

Shift solenoid valve D defective

Drive plate defective or transmission misassembled

Engine output low

Torque converter clutch piston defective

ATF pump worn or damaged

Lock-up shift valve defective

Misassembled engine or transmission mount

Notes

Check the ATF level and check the ATF lines for leaks and loose connections. If necessary, clean the ATF lines.

Notes

Check for a stored DTC, and check for loose connections.

Notes

Test the shift solenoid valve function with the HDS.

Notes

Inspect the O-rings, and check the shift solenoid valve for seizure.

Notes

Check for a misinstalled/damaged drive plate, replace the drive plate if it is worn or damaged.

Notes

Check the engine control system.

Notes

Replace the torque converter assembly.

Notes

Check the line pressure.

Notes

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

Notes

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

Notes

Adjust the transmission and engine mounts.