1. Place the vehicle on a level surface.
2. Stop the engine and wait at least five minutes for the oil to drain into the sump.
3. Be careful not to burn yourself on a hot engine.
4. Pull out the dipstick, wipe it with a lint-free cloth or paper towel.
5. Insert the probe into place and after a while pull it out again.
6. Check the oil level. If it is near the minimum mark on the dipstick, add oil.
Checking the coolant level
Do not rely on the coolant level warning light on the instrument panel. We recommend regular visual checks of the coolant level in the expansion tank. Determining the exact level of coolant in the expansion tank is only possible with the engine turned off. The expansion tank is made of transparent material, so you can determine the volume of liquid in it without removing the cap. The coolant level with a cold engine must be between both marks on the expansion tank. When the engine is warm, the coolant level is higher.
A noticeable decrease in the level of coolant in the expansion tank is a sign of a malfunction or defect in the cooling system. The coolant circulates in a closed space and does not evaporate. Leakage in the form of steam is possible only when the engine overheats.
Replenishment of the coolant in the system is carried out through the expansion tank.
Attention! With a hot engine, before removing the cap from the filler neck of the tank, put a rag on it or use work gloves to avoid burns.
7. Loosen the cap one turn and release the pressure in the system. Only then fully unscrew and remove the cover.
8. Fill in the coolant until its level in the expansion tank is set at the mark «MAX». Do not fill fluid above this mark. When heated, the liquid will expand and excess liquid will be squeezed out of the tank.
A small amount of coolant can be poured into the expansion tank when the engine is cold or hot. However, if there is a significant loss of coolant, do not fill the coolant into the expansion tank when the engine is hot. This may result in deformation of the cylinder head or rupture of the cylinder block.
Checking the density of the coolant is carried out using a calibrated hydrometer. If the density of the coolant has decreased, then it is enough to add antifreeze. Previously, 1-2 liters of coolant is drained from the system. ¼ liter of antifreeze is enough to increase the density of the liquid by 10°C.
Checking the brake fluid level
A low brake fluid level is signaled by a warning light on the instrument panel. However, it is recommended to regularly check the brake fluid level in the expansion tank.
9. Open the hood and, if necessary, wipe the expansion tank with a rag.
The brake fluid level in the reservoir must be between the marks «Min» And «MAX»
Checking the fluid level in the power steering reservoir
A drop in fluid level indicates a fluid leak from the system. Therefore, before adding fluid to the reservoir, inspect the power steering, identify and eliminate the leak.
10. Start the engine and let it idle.
11. Align the wheels.
The fluid level in the transparent expansion tank must be between both marks on the tank. These reservoir marks are not available for all AUDI models. In such cases, use a liquid level indicator (probe).
12. Remove the reservoir cap to which the dipstick is attached. Be careful, the lid is spring-loaded.
13. Wipe the dipstick shaft with a clean rag and reinsert the dipstick until the cap is seated. Do not screw on the lid.
14. Remove the dipstick again and check the fluid level in the reservoir. It should be between both marks on the dipstick.
Checking the Fluid Level in an Automatic Transmission
The oil level in automatic transmissions depends on the oil temperature. If it is cold, then the level is low. After a long trip, the oil level is usually elevated.
15. Drive approximately 10 km to warm up the oil.
16. Apply the parking brake, and shift the transmission control lever to the position «R».
17. Start the engine and leave it to idle.
18. Remove the rod pointer (probe) oil level, located, when viewed in the direction of travel, behind the left side of the engine.
19. Wipe the dipstick with a clean, lint-free cloth.
20. Reinsert the dipstick and remove it again. The oil level must be between both marks.
Adding liquid for windshield washer
The windshield washer reservoir is located on the left side of the engine compartment next to the coolant expansion tank. Windshield washer reservoir for rear door glass in cars «Avant» located on the right side of the trunk under the lid. The volume of the windshield washer reservoir of a car without headlight washers is about 4 liters, and with headlight washers - about 6.5 liters. First, the appropriate liquid additive is poured, and then water, so that they mix well.
Tire pressure check
Tire pressure is indicated on a sticker affixed to the inside of the fuel filler cap.
In winter tires, the air pressure is usually 0.2 bar higher than the air pressure indicated for summer tires.
It is best to have your own pressure gauge with which you can check the tire pressure before each ride and then compare it with the data on the sticker.
Checking the operation of lighting and brake light
21. Turn on the ignition, and then turn on all the lights in turn: parking light, dipped headlights, fog lights (if installed), high beam headlights, turn signal (left, right and alarm) reversing lights and license plate lights, turn signal rear right and left, (as well as in alarm mode), stop signal.
Checking direction indicators and alarms
The hazard warning light system must be on all the time, so its switch is connected through a fuse directly to the battery positive.
The direction indicators function only when the ignition is on, the current to them comes from terminal 15.
22. Press, without including ignition, the alarm switch on the panel of devices.
All four direction indicator lamps, the warning lamp in the hazard warning switch, and both indicator lamps must flash at the same rate.
Checking the operation of the horn
23. Turn on the ignition.
24. Press the horn key. If there are no faults, an acoustic signal should sound (see illustration).
When the relay control circuit is closed (pressed horn key) the relay contacts are closed and the audio signals are energized via a wire with black and yellow insulation.
The connection of sound signals to ground is carried out with a wire with brown insulation.
25. Remove the engine mudguard.
26. Disconnect the plug.
27. Remove the corresponding horn (see illustration).
28. Connect the auxiliary wires to the signal terminals and connect the wires to the battery. If the signal does not work, then it is faulty. The hoarse or dull sound of the horn can be adjusted using the adjusting screw on the side of the horn.
29. Clean the adjusting screw from the sealant.
30. Adjust the sound of the signal, then fix the position of the adjusting screw with a sealant that is used to protect the body from moisture.
A two-tone audio signal is also checked in the same way.
Checking cleaners and washers
31. Turn on the ignition.
32. Check that the wiper brushes move according to the glass cleaning speed enabled.
33. Make sure the brushes are intermittent.
34. Make sure the rear window wiper is also working and the washer is supplying windshield washer fluid.
Checking the action of the brakes
35. Check brake action at low speed (pedestrian speed). On the brake track remaining on the pavement, you can check the simultaneous operation and operation of the brakes.
36. Check the parking brake in the same way.
37. Repeat the brake test on level ground and at a speed of 50 km/h. Before braking, release the steering wheel to make sure the brakes apply at the same time and do not pull to the side.
38. Put the car on a slight slope and let it roll to check the ease of movement of the wheels.
39. Take a test drive. After it, make sure that the rims do not heat up.
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