Rover 820 - Page 252

Fault Finding REF•13
Cooling system
Overheating
mm Insufficient coolant in system (Chapter 1).
mm Thermostat faulty (Chapter 3).
mm Radiator core blocked or grille restricted (Chapter 3).
mm Radiator electric cooling fan(s) or coolant temperature sensor faulty
(Chapter 3).
mm Engine management system fault (Chapters 1 and 4).
mm Pressure cap faulty (Chapter 3).
mm Auxiliary drivebelt worn or slipping (Chapter 1).
mm Ignition timing incorrect (Chapter 5).
mm Inaccurate coolant temperature gauge sender (Chapter 3).
mm Air-lock in cooling system (Chapter 1).
Overcooling
mm Thermostat faulty (Chapter 3).
mm Inaccurate coolant temperature gauge sender (Chapter 3).
External coolant leakage
mm Deteriorated or damaged hoses or hose clips (Chapter 1).
mm Radiator core or heater matrix leaking (Chapter 3).
mm Pressure cap faulty (Chapter 3).
mm Water pump seal leaking (Chapter 3).
mm Boiling due to overheating (Chapter 3).
mm Core plug leaking (Chapter 2, Part C).
Internal coolant leakage
mm Leaking cylinder head gasket (Chapter 2, Part A, B or C).
mm Cracked cylinder head or cylinder bore (Chapter 2, Part C).
Corrosion
mm Infrequent draining and flushing (Chapter 1).
mm Incorrect antifreeze mixture, or inappropriate antifreeze type
(Chapter 1).
Fuel and exhaust system
Excessive fuel consumption
mm Unsympathetic driving style, or adverse conditions.
mm Air filter element dirty or clogged (Chapter 1).
mm Engine management system fault (Chapters 1 and 4).
mm Ignition timing incorrect (Chapter 5).
mm Tyres under-inflated (Chapter 1).
Fuel leakage and/or fuel odour
mm Damaged or corroded fuel tank, pipes or connections (Chapter 1).
mm Charcoal canister and/or connecting pipes leaking (Chapter 4,
Part E).
Excessive noise or fumes from exhaust system
mm Leaking exhaust system or manifold joints (Chapters 1,
2 Part A, B or C, and 4).
mm Leaking, corroded or damaged silencers or pipe (Chapter 1).
mm Broken mountings, causing body or suspension contact (Chap-
ters 1 and 4).
Clutch
Pedal travels to floor - no pressure or very little
resistance
mm Air in clutch hydraulic system (Chapter 6).
mm Faulty clutch slave cylinder (Chapter 6).
mm Faulty clutch master cylinder (Chapter 6).
mm Incorrect pedal height adjustment (Chapter 6).
mm Broken diaphragm spring in clutch pressure plate (Chapter 6).
Clutch fails to disengage (unable to select gears)
mm Air in clutch hydraulic system (Chapter 6).
mm Faulty clutch slave cylinder (Chapter 6).
mm Faulty clutch master cylinder (Chapter 6).
mm Incorrect pedal height adjustment (Chapter 6).
mm Clutch disc sticking on transmission mainshaft splines (Chapter 6).
mm Clutch disc sticking to flywheel or pressure plate (Chapter 6).
mm Faulty pressure plate assembly (Chapter 6).
mm Clutch release mechanism worn or incorrectly assembled (Chap-
ter 6).
Clutch slips (engine speed increases with no
increase in vehicle speed)
mm Clutch disc linings excessively worn (Chapter 6).
mm Clutch disc linings contaminated with oil or grease (Chapter 6).
mm Faulty pressure plate or weak diaphragm spring (Chapter 6).
Judder as clutch is engaged
mm Clutch disc linings contaminated with oil or grease (Chapter 6).
mm Clutch disc linings excessively worn (Chapter 6).
mm Faulty or distorted pressure plate or diaphragm spring (Chapter 6).
mm Worn or loose engine/transmission mountings (Chapter 2, Part A or B).
mm Clutch disc hub or transmission mainshaft splines worn (Chapter 6).
Noise when depressing or releasing clutch pedal
mm Worn clutch release bearing (Chapter 6).
mm Worn or dry clutch pedal bushes (Chapter 6).
mm Faulty pressure plate assembly (Chapter 6).
mm Pressure plate diaphragm spring broken (Chapter 6).
mm Broken clutch disc cushioning springs (Chapter 6).