Opel Zafira B MPV 2006 Owners Workshop Manual page 352

REF•20
Fault finding
Clutch
Pedal travels
to
floor - no pressure or very little
resistance
D
Air in hydraulic system/faulty master or slave cylinder (Chapter 6)
[J Faulty hydraulic release system (Chapter 6)
CJ
Clutch pedal return spring detached or broken (Chapter 6)
::J
Faulty clutch release cylinder (Chapter 6)
D
Broken diaphragm spring in clutch pressure plate (Chapter 6)
Clutch fails to disengage (unable to select gears)
::J
Air in hydraulic system/faulty master or slave cylinder (Chapter 6)
D
Faulty hydraulic release system (Chapter 6)
D
Clutch disc sticking on transmission input shaft splines (Chapter 6)
D
Clutch disc sticking to flywheel or pressure plate (Chapter 6)
O
Faulty pressure plate assembly (Chapter 6)
D
Clutch release mechanism worn or incorrectly assembled (Chap-
ter 6)
Manual transmission
Note: Fault finding for the Easytronic transmission should be entrusted
to a Vauxha/1/0pel dealer.
Noisy in neutral with engine running
D
Lack of oil (Chapter 7 A)
D
Input shaft bearings worn (noise apparent with clutch pedal
released, but not when depressed) (Chapter 7 A)*
LJ
Clutch release cylinder faulty (noise apparent with clutch pedal
depressed, possibly less when released) (Chapter 6)
Noisy in one particular gear
D
Worn: damaged or chipped gear teeth (Chapter 7 A)*
Difficulty engaging gears
O
Clutch fault (Chapter 6)
D
Worn, damaged, or poorly-adjusted gearchange (Chapter 7 A)
O
Lack of oil (Chapter ?A or 7C)
D
Worn synchroniser units (Chapter 7 A)*
Clutch slips (engine speed increases, with no
increase in vehicle speed)
D
Faulty hydraulic release system (Chapter 6)
D
Clutch disc linings excessively worn (Chapter 6)
[J Clutch disc linings contaminated with oil or grease (Chapter 6)
D
Faulty pressure plate or weak diaphragm spring (Chapter 6)
Judder as clutch is engaged
lJ
Clutch disc linings contaminated with oil or grease (Chapter 6)
D
Clutch disc linings excessively worn (Chapter 6)
[l Faulty or distorted pressure plate or diaphragm spring (Chapter 6).
O
Worn or loose engine or transmission mountings (Chap-
ter 2A, 2B, 2C or 2D)
[J Clutch disc hub or transmission input shaft splines worn (Chap-
ter 6)
Noise when depressing or releasing clutch pedal
D
Faulty clutch release cylinder (Chapter 6)
D
Worn or dry clutch pedal bushes (Chapter 6)
D
Faulty pressure plate assembly (Chapter 6)
D
Pressure plate diaphragm spring broken (Chapter 6)
D
Broken clutch disc cushioning springs (Chapter 6)
Jumps out of gear
D
Worn, damaged, or poorly-adjusted gearchange (Chapter 7 A)
D
Worn synchroniser units (Chapter 7 A)*
D
Worn selector forks (Chapter 7 A)*
Vibration
O
Lack of oil (Chapter 7 A or 7C)
D
Worn bearings (Chapter ?A)*
Lubricant leaks
D
Leaking drives haft or selector shaft oil seal (Chapter 7 A)
D
Leaking housing joint (Chapter ?A)*
D
Leaking input shaft oil seal (Chapter 7 A)*
*Although the corrective action necessary to remedy the symptoms
described is beyond the scope of the home mechanic, the above
information should be helpful in isolating the cause of the condition, so
that the owner can communicate clearly with a professional mechanic.