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Excessive Shock Or Flares On 2-3 Upshift Or 3-2 Downshift




Excessive shock or flares on 2-3 upshift or 3-2 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 B (3rd 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

2nd air check valve stuck

3rd air check valve stuck

2nd clutch defective

3rd 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 for a clogged orifice in the separator plate. If the orifice is clogged, remove it and clean the separator plate orifice.

Notes

Check the 2nd and 3rd clutch pressures A/T Pressure Test.

Notes

Inspect the clutch clearance for the 2nd and 3rd clutches.

Notes

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

Notes

Check for a stuck 2nd air check valve in the torque converter housing.

Notes

Check for a stuck 3rd air check valve in the stator shaft support.