Troubleshooting the Audi A4 B7 car
Troubleshooting — Engine
Basic checks for difficult engine starting Petrol models Assess the external condition of all electrical wiring in the engine compartment, make sure there are...
Basic checks for difficult engine starting Petrol models Assess the external condition of all electrical wiring in the engine compartment, make sure there are...
Troubleshooting — Engine Electrical Equipment
Note: Electronic control system diagnostic procedures and trouble codes are provided in Chapter 5 . 17. There is a decrease in capacity or insufficient battery...
Note: Electronic control system diagnostic procedures and trouble codes are provided in Chapter 5 . 17. There is a decrease in capacity or insufficient battery...
Troubleshooting — Starting System
Attention: The electrical wiring terminals must be securely fastened and not oxidized! 1. If the starter does not turn, first of all you should make sure that...
Attention: The electrical wiring terminals must be securely fastened and not oxidized! 1. If the starter does not turn, first of all you should make sure that...
Troubleshooting — Power System
27. Excessive fuel consumption 1. The air cleaner filter element is dirty or blocked. 2. Insufficient tire pressure or the wrong size tires are installed. 3....
27. Excessive fuel consumption 1. The air cleaner filter element is dirty or blocked. 2. Insufficient tire pressure or the wrong size tires are installed. 3....
Troubleshooting — Lubrication System
37. The control lamp does not light when the ignition is turned on 1. The oil pressure sensor is faulty. Turn on the ignition, disconnect the wire from the...
37. The control lamp does not light when the ignition is turned on 1. The oil pressure sensor is faulty. Turn on the ignition, disconnect the wire from the...
Troubleshooting — Cooling System
43. Overheating 1. The coolant level has dropped. 2. The water pump drive belt is worn or damaged (with appropriate equipment), or its tension adjustment is...
43. Overheating 1. The coolant level has dropped. 2. The water pump drive belt is worn or damaged (with appropriate equipment), or its tension adjustment is...
Troubleshooting — Climate System
49. The fan does not work 1. The fan motor fuse has blown. 2. The fan switch is faulty - make sure that the power supply to the resistive assembly is working...
49. The fan does not work 1. The fan motor fuse has blown. 2. The fan switch is faulty - make sure that the power supply to the resistive assembly is working...
Troubleshooting — Clutch
57. Clutch release malfunction (when the pedal is pressed to the floor, it is difficult to engage/disengage reverse gear) 1. The clutch pedal free travel...
57. Clutch release malfunction (when the pedal is pressed to the floor, it is difficult to engage/disengage reverse gear) 1. The clutch pedal free travel...
Troubleshooting — Manual Transmission (MT)
63. When the manual transmission is set to neutral, the engine makes noise 1. The primary shaft bearings are worn out (noises appear when releasing the clutch...
63. When the manual transmission is set to neutral, the engine makes noise 1. The primary shaft bearings are worn out (noises appear when releasing the clutch...
Troubleshooting — Automatic Transmission (AT)
Due to the complexity of the AT design, it is advisable to diagnose its faults and repair its components in a specialized auto service workshop. 71. General...
Due to the complexity of the AT design, it is advisable to diagnose its faults and repair its components in a specialized auto service workshop. 71. General...
Troubleshooting — Transmission Line
78. Extraneous noises 1. Normal road noise - cannot be corrected. 2. Tire noise - check the condition of the treads and tire inflation pressure. 3. Wheel...
78. Extraneous noises 1. Normal road noise - cannot be corrected. 2. Tire noise - check the condition of the treads and tire inflation pressure. 3. Wheel...
Troubleshooting — Brake System
Note: Before making a final determination that there is a problem with the brake system, make sure that the tires are in good condition and inflated to the...
Note: Before making a final determination that there is a problem with the brake system, make sure that the tires are in good condition and inflated to the...
Troubleshooting — Suspension, Steering and Tyres
94. The car pulls to the side 1. Tires are unevenly inflated. 2. There is a defect in the tires. 3. Excessive wear of suspension or steering components. 4. The...
94. The car pulls to the side 1. Tires are unevenly inflated. 2. There is a defect in the tires. 3. Excessive wear of suspension or steering components. 4. The...
Troubleshooting — Windscreen Wipers
114. Slippage 1. Rubber working elements are dirty. 2. The edges of the brushes are frayed, the rubber working elements are worn out or torn. 115. Any...
114. Slippage 1. Rubber working elements are dirty. 2. The edges of the brushes are frayed, the rubber working elements are worn out or torn. 115. Any...
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