Excessive Shock Or Flares On 3-4 Upshift Or 4-3 Downshift

Excessive shock or flares on 3-4 upshift or 4-3 downshift

A/T clutch pressure control solenoid valve B defective

A/T clutch pressure control solenoid valve C defective

Foreign material in separator plate orifice

3rd accumulator defective

4th/reverse accumulator defective

3rd clutch defective

4th clutch defective

Notes

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

Notes

Check the 3rd and the 4th clutch pressures A/T Pressure Test.

Notes

Inspect the clearance between the clutch end-plate and the top disc. If the clearance is out of tolerance, replace the faulty clutch.

Notes

Inspect the 3rd clutch feed pipe. If the 3rd clutch feed pipe is scored, replace it and the O-ring under the feed pipe guide.

Notes

Replace the secondary shaft if the bushing for the 3rd clutch feed pipe is loose or damaged.