Identifying and troubleshooting clutch problems (Opel Omega B2)

The clutch is jerking

Engine and gearbox mounts are faulty

• Check and replace if necessary

The gearbox support is poorly secured

• Tighten the mounting bolts

The pressure plate fits unevenly

• Replace the disk

The driven disk is not an original part

• Replace the driven disk. Install the original part

The crankshaft is not aligned with the gearbox input shaft

• Check the engine and gearbox centering surfaces

The clutch release fork is pushing to one side

• Check the clutch release fork.

The clutch is slipping

The clutch driven disc is worn out

• Check the thickness of the friction lining of the disc, replace if necessary

The clutch slave cylinder is jammed

• Replace the cylinder

Diaphragm spring tension too low

• Replace the pressure plate

(Text copied from an internet website: OpelBook.ru)

The clutch hydraulic drive slave cylinder is leaking

• Perform a visual inspection

Hardened or oily friction lining

• Replace the clutch slave disc

The clutch is overheated

• Install a new original clutch

The clutch disengages poorly

The friction lining is covered with abrasion products

• Replace the clutch slave disc

The clutch disc is seized on the input shaft of the gearbox, the spline connection is dry or stuck together

• Clean the splined joint, remove burrs, remove rust if necessary and lubricate again, for example, apply molybdenum powder

Lateral runout of the clutch driven disc

• Check the disk, replace if necessary

Primary (master) cylinder is leaking

• With the clutch pedal depressed, observe whether the brake fluid is bubbling in the reservoir. Replace the cylinder

The clutch pedal does not reach the limit stop

• Check if the limiter is reached. If necessary, cut the mat

Defective release bearing

• Check the bearing

Air in the hydraulic system

• Remove air from the clutch drive

The primary shaft centering bearing in the flywheel is faulty

• Replace the centering in the flywheel (needle) bearing

The driven disk is warped or the friction lining is damaged

• Replace the pressure plate

Noise when clutch pedal is depressed

The clutch release bearing is faulty

• Check the release bearing, replace it

The driven clutch disc hits the pressure plate

• Replace the clutch slave disc

Waxing and fading noise when pushing or towing the vehicle, or when driving with the clutch disengaged

The movement of the torsion springs of the clutch driven disk is difficult

• Replace the clutch slave disc

The rivets on the clutch pressure plate have come loose

• Replace the disk

Clutch imbalance is too great

• Replace the pressure and driven disks