Excessive Shock or Engine Revs Up Abnormally High On 5-6 Upshift or 6-5 Downshift

Excessive shock or engine revs up abnormally high on 5-6 upshift or 6-5 downshift

Shift solenoid valve A defective

Shift solenoid valve B defective

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 E (6th clutch) defective

Foreign material in separator plate orifice

A/T clutch pressure control solenoid valve A accumulator defective

A/T clutch pressure control solenoid valve B accumulator defective

5th air check valve stuck

6th air check valve stuck

5th clutch defective

6th clutch defective

Clearance between clutch end-plate and top disc incorrect

Notes

Inspect the shift solenoid valve A and B function with the HDS Shift Solenoid Valve A and B Test.

Notes

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

Notes

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

Notes

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

Notes

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

Notes

Check the transmission fluid pressure switch E (6th clutch) operation with the HDS.

Notes

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

Notes

Check the 5th and 6th clutch pressures A/T Pressure Test.

Notes

Check the A/T clutch pressure control solenoid valve A and B accumulator pistons and the O-rings in the secondary valve body for wear and damage.

Notes

Check for a stuck 5th air check valve in the torque converter housing.

Notes

Check for a stuck 6th air check valve in the stator shaft support.

Notes

Inspect the clutch clearance for the 5th and 6th clutches.