Engine Idle Vibration; Engine Stalls, Idles Low or Rough

Engine idle vibration; engine stalls, idles low or rough

Worn engine or transmission mounts

Low ATF level

Shift solenoid valve D defective

Drive plate defective or transmission mis-assembled

Engine output low

Torque converter clutch piston defective

ATF pump worn or binding

Lock-up shift valve defective

Lock-up control valve defective

Lock-up timing valve defective

A/T clutch pressure control solenoid valve C defective

Notes

Check the engine and transmission mounts.

Notes

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

Notes

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

Notes

Replace the torque converter.

Notes

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

Notes

Inspect the shift solenoid valve D function with the HDS Shift Solenoid Valve Test, Replacement, and Shift Solenoid Wire Harness Replacement.

Notes

Check for a seized shift solenoid valve, and inspect the O-rings.

Notes

Inspect the A/T clutch pressure control solenoid valve C with the HDS A/T Clutch Pressure Control Solenoid Valve C Test.

Notes

Inspect the A/T clutch pressure control solenoid valve body gasket, the ATF feed pipes, and the O-rings for wear and damage.

Notes

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

Notes

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