Control devices and electrical equipment
1. Check the operation of control devices and electrical equipment.
2. Check that all gauges are reading correctly, turn on all electrical equipment to make sure it is functioning properly.
Suspension and steering
3. Check the normal functioning of the steering and suspension of the wheels, like a car "holds the road".
4. While driving, make sure there are no unusual knocks, vibrations or noises.
5. Make sure the car "obeys the helm", without jerks and yaws, check the absence of noise in the suspension when driving through turns and bumps.
Power transmission
6. Check the condition of the engine, clutch, and transmission.
7. Check for unusual engine, clutch and transmission noises.
8. Check that the engine idles quietly, without stalling or "goes to pieces" with increasing gas.
9. Check, where available, clutch operation. Engagement and disengagement of the clutch should be smooth, without jerks. The clutch pedal must not have increased travel. Make sure there is no noise when the clutch pedal is depressed and released.
10. Make sure that the gear change is clear. hassle-free and silent.
11. On models with automatic transmission, make sure that gear changes occur smoothly, without jerks and without increasing speed at the time of shifting. When parked with the engine running, make sure that all positions of the automatic transmission selector can be selected without difficulty. If there are any problems, contact your Audi/VAG dealer.
Check the brake system
12. Make sure that the car does not pull away when braking and the wheels do not lock up prematurely when the brake pedal is applied hard.
13. Check up, whether there is no vibration in transmission at braking.
14. Check up serviceability of a manual brake. lack of excessive movement of its lever; reliable holding of the car on a slope.
15. Check the operation of the brake booster. To do this, press the brake pedal four or five times and, holding it down, start the engine. As soon as the engine starts, the brake pedal should noticeably "fail" under the influence of the vacuum created by the running engine. Let the engine run for a couple of minutes and turn it off. If you now press the pedal again, you can hear a slight whistle from the servo amplifier. After four or five clicks, the whistle should not be heard and the pedal should become noticeably stiffer.
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