Excessive Shock Or Engine Revs Up Abnormally High On 3-4 Upshift Or 4-3 Downshift (5-Speed A/T)
Excessive shock or engine revs up abnormally high on 3-4 upshift or 4-3 downshift
Worn or damaged engine or transmission mounts
A/T clutch pressure control solenoid valve A defective
A/T clutch pressure control solenoid valve B defective
A/T clutch pressure control solenoid valve C defective
Transmission fluid pressure switch C (4th clutch) defective
Shift fork shaft stuck
Servo control valve defective
Foreign material in separator plate orifice
3rd accumulator defective
Accumulator body defective
3rd clutch defective
4th clutch defective
Clearance between clutch end-plate and top disc incorrect
Notes
Check the engine and transmission mounts.
Notes
Test the transmission fluid pressure switch C (4th clutch) operation with the HDS.
Notes
Test A/T clutch pressure control solenoid valve A or B with the HDS A/T Clutch Pressure Control Solenoid Valve A and B Test (5-Speed A/T).
Notes
Test A/T clutch pressure control solenoid valve C with the HDS A/T Clutch Pressure Control Solenoid Valve C Test (5-Speed A/T).
Notes
Check the 3rd and 4th clutch pressures A/T Pressure Test (5-Speed A/T).
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 for a missing shift fork bolt on the shift fork shaft.
Notes
Check the shift fork shaft detent for wear and damage.
Notes
Check for a stuck servo valve in the regulator valve body, replace the regulator valve body.
Notes
Check the servo control valve in the main valve body for free movement. If the valve does not move, replace the main valve body.
Notes
Check for a clogged orifice in the separator plate. If the orifice is clogged, remove it and clean the separator plate orifice.
Notes
Inspect the clearance between the clutch end-plate and the top disc of the 3rd and 4th clutches. If the clearance is out of tolerance, replace the clutch assembly.
Notes
Replace the accumulator body.