Operation CHARM: Car repair manuals for everyone.

Engine Does Not Start




Engine does not start

Transmission range switch defective or out of adjustment

Shift cable broken or out of adjustment

Connection between shift cable and transmission or shift lever is worn

Drive plate defective or transmission incorrectly installed

Torque converter clutch piston defective

Torque converter defective

ATF pump worn or binding

Mainshaft worn or damaged

Notes

Inspect the transmission range switch. If the transmission range switch fails the inspection, replace the switch. If the inspection is OK, check for proper transmission range switch installation, and adjust the shift cable.

Notes

Check for a loose shift cable at the shift lever and the selector control lever.

Notes

Check for an incorrectly installed transmission, and check the drive plate for wear and damage. Replace the drive plate if it is worn or damaged.

Notes

Check the stall speed A/T Stall Speed Test.

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

Be careful not to damage the torque converter housing when replacing the main ball bearing. You may also damage the ATF pump when you torque down the main valve body. This will cause ATF pump seizure, use the proper tools.

Notes

Replace the torque converter.

Notes

Inspect the mainshaft.