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No Reverse Gear

Checks

Causes

Control Solenoid (w/Body and TCM) Valve Assembly

Check the 35R PC Solenoid 2 for proper operation. Refer to Control Solenoid Valve and Transmission Control Module Assembly Solenoid Performance Test .

Control Valve Body Assembly
    • Inspect the 3-5-Reverse Clutch Regulator Valve (421) and Control Valve Body Ball Check Valve (404) for debris and stickiness.
    • Inspect the Clutch Select Valve (428) and the Actuator Feed Limit Valve (430) for debris and stickiness.

Transmission Case Assembly

Inspect the Input Shaft Support (56) for missing or damaged Fluid Seal Rings (58).

3-5 Reverse Clutch Assembly
    • Inspect for damaged, stripped or sheared splines on 3-5 Reverse Clutch Plates (507-509), Backing Plate (510).
    • Inspect for stripped or sheared splines on 3-5 Rev/4-5-6 Housing to Turbine Shaft (516).
    • Inspect for damage, improper surface finish, porosity, deformed or unbalanced 3-5 Rev/4-5-6 Housing (516).
    • Inspect for damaged, worn, loose or seized hub bushing in the 3-5 Rev/4-5-6 Housing.
    • Inspect for broken, porous or improper surface finish or plugged oil passages of the 3-5 Rev/4-5-6 Housing (516).
    • Inspect for failure of the Input Shaft Thrust Bearing (538).
    • Inspect for disengaged or broken 3-5 Reverse Clutch Backing Plate Retainer (511).
    • Inspect for damaged, worn or leaking 3-5 Reverse Clutch Piston Seals (504-506).
    • Inspect for damaged or broken 3-5 Rev/4-5-6 Clutch Housing (516).
    • Inspect for warped, damaged, improper surface finish or debonding 3-5 Reverse Clutch Piston (502).
    • Inspect for broken or fatigued 3-5 Reverse Clutch Spring (503).
    • Inspect for disengaged or broken Speed Sensor Reluctor Retainer (500).
    • Inspect for broken Speed Sensor Reluctor Wheel (501).
   


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