Vauxhall Workshop Service and Repair Manuals

Test Step

Fault Symptoms

Possible Cause of Fault

Notes for Remedy

13

Rough shift for all shift operations

·   Control unit defective

·   Defect in lead connection to

     pressure regulator

·   Pressure regulator defective

·   Valve body defective (primary regulating valve)

·   Accumulator defective

·   Fluid leak in clutches,

     multi-disc brakes or fluid circuit

·   Solenoid valve for converter clutch or shift valve defective (AF 13/22 only)

·   Check with other control unit

·   Repair wiring harness

·   Replace pressure regulator

·   Repair valve body

·   Replace accumulator

·   Locate/replace leaky parts

·   Replace solenoid valve for torque converter Carry out Actuator Test with TECH 1 (section 5.7 no. 05)

See Service Instructions