Diesel Data: Automotive Repair

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

Engine output low

Torque converter clutch piston 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

Test the shift solenoid valve D with the HDS Service and Repair.

Notes

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

Notes

Replace the torque converter.

Notes

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

Notes

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

Notes

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