Vehicle troubleshooting Audi 100 C3, diesel
Engine
Engine does not turn over when starting The battery terminals are loose or corroded (" Weekly checks "). Discharged or defective battery ( Section 4A ). The...
Engine does not turn over when starting The battery terminals are loose or corroded (" Weekly checks "). Discharged or defective battery ( Section 4A ). The...
Cooling system
Overheat Insufficient level of refrigerant in the system (" Weekly checks "). Thermostat is faulty ( Section 2 ). The radiator is clogged ( Section 2 ). The...
Overheat Insufficient level of refrigerant in the system (" Weekly checks "). Thermostat is faulty ( Section 2 ). The radiator is clogged ( Section 2 ). The...
Fuel and exhaust systems
Excessive fuel consumption The air filter element is dirty or clogged. Injector faulty - diesel models ( Section 3A ). Insufficient tire pressure (" Weekly...
Excessive fuel consumption The air filter element is dirty or clogged. Injector faulty - diesel models ( Section 3A ). Insufficient tire pressure (" Weekly...
Clutch
The pedal does not reach the floor - or there is very little resistance The clutch cable is broken. The clutch cable adjuster is faulty. Low hydraulic...
The pedal does not reach the floor - or there is very little resistance The clutch cable is broken. The clutch cable adjuster is faulty. Low hydraulic...
Manual transmission
Noise in neutral gear Input shaft bearings are worn out (the noise is obvious with the clutch pedal released and disappears when the pedal is depressed) (...
Noise in neutral gear Input shaft bearings are worn out (the noise is obvious with the clutch pedal released and disappears when the pedal is depressed) (...
Automatic transmission
Note: Due to the complexity of the automatic transmission, it is recommended to carry out diagnostics and repairs at a specialized station. The most common...
Note: Due to the complexity of the automatic transmission, it is recommended to carry out diagnostics and repairs at a specialized station. The most common...
Drive shafts
Squeaking or noise when moving (at low speed at maximum wheel angle) Lack of lubricant in the CV joint due to damage to the protective cover. Worn outer CV...
Squeaking or noise when moving (at low speed at maximum wheel angle) Lack of lubricant in the CV joint due to damage to the protective cover. Worn outer CV...
Brake system
Note: Before troubleshooting a brake problem, make sure the tires are in good condition and properly inflated, the front wheels are properly aligned, and the...
Note: Before troubleshooting a brake problem, make sure the tires are in good condition and properly inflated, the front wheels are properly aligned, and the...
Suspension and steering
Note: Before diagnosing suspension or steering problems, check tire pressure, tire type, and brakes. The car pulls to one side Tire faulty (" Weekly checks ")....
Note: Before diagnosing suspension or steering problems, check tire pressure, tire type, and brakes. The car pulls to one side Tire faulty (" Weekly checks ")....
Electrical system
The battery runs out after a few days The internal components of the battery are faulty ( Section 4A ). The battery terminals are loose or oxidized. The...
The battery runs out after a few days The internal components of the battery are faulty ( Section 4A ). The battery terminals are loose or oxidized. The...
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