Clutch faults (Opel Vectra C)

The clutch does not disengage (the manual transmission control lever does not move freely to the reverse gear position and back when the clutch pedal is pressed to the floor)

1. The clutch disc is bent or damaged (see Chapter 6).

The clutch is slipping (engine speed increases without increasing vehicle speed)

1. The clutch disc is oily or its friction linings are worn. Remove the clutch (see Chapter 6) and check the condition of its components.

2. The clutch disc has not been properly run in. It may take 30 to 40 normal car starts to completely run in a new disc.

3. The pressure plate/clutch basket is worn out (see Chapter 6).

There is a strong vibration when the clutch is engaged

1. The clutch disc is oily. Remove the clutch and check the condition of its components. Eliminate any leaks found.

2. The splines of the driven disk hub are worn out (clutch disc). Remove the clutch and check the condition of its components.

3. The pressure plate/basket or flywheel is bent. Remove the clutch and check the condition of its components and the flywheel.

Jerks when engaging the clutch

1. Damage to engine and gearbox mounts. Check and replace if necessary.

2. Looseness of the gearbox mounting to the suspension. Tighten the mounting bolts.



3. Uneven contact of the pressure plate. Replace the clutch basket.

4. The crankshaft is not aligned with the gearbox. Check the alignment.

A squealing or rattling noise occurs when the clutch is fully engaged (pedal released)

1. The clutch release bearing is seized. Remove the clutch and inspect the bearing. Remove any burrs and burrs, and lubricate the bearing before reinstalling.

A squealing or rattling noise occurs when the clutch is fully disengaged (the pedal is pressed)

1. The release bearing is worn or damaged (see Chapter 6).

2. The springs are worn or damaged (or aperture blades) pressure plate in the clutch basket (see Chapter 6).

The clutch pedal remains depressed to the floor after it is released

1. The piston of the clutch master or slave cylinder is jammed. Damage to the clutch hydraulic system or release bearing. Check the condition, remove the clutch components if necessary.