Operation CHARM: Car repair manuals for everyone.

Excessive Shock or Flares on All Upshifts and Downshifts




Excessive shock or flares on all upshifts and downshifts

Worn or damaged engine or transmission mounts

A/T clutch pressure control solenoid valve B defective

A/T clutch pressure control solenoid valve C defective

Input shaft (mainshaft) speed sensor defective

Output shaft (countershaft) speed sensor defective

ATF temperature sensor defective

Foreign material in separator plate orifice

Notes

Check the engine and transmission mounts.

Notes

Inspect the A/T clutch pressure control solenoid valve filter/gasket and the O-rings for wear and damage, and inspect the solenoid valves for seizure.

Notes

Check the input shaft (mainshaft) speed sensor and the output shaft (countershaft) speed sensor installation.

Notes

Check for a clogged orifice in the separator plate. If the orifice is clogged, remove it and clean the separator plate orifice.