vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

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Fluid Pressure High or Low > < Harsh Torque Converter Clutch Apply, or Inoperative or No Electronically Controlled Capacity Clutch Control

Astra J

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 stickyness.
•  Inspect the Clutch Select Valve (428) and the Actuator Feed Limit Valve (430) for debris and stickyness.


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 fatiqued 3-5 Reverse Clutch Spring (503).
•  Inspect for disengaged or broken Speed Sensor Reluctor Retainer (500).
•  Inspect for broken Speed Sensor Reluctor Wheel (501).

 

Fluid Pressure High or Low > < Harsh Torque Converter Clutch Apply, or Inoperative or No Electronically Controlled Capacity Clutch Control