1. Diesel engine: remove the bottom cover of the engine, refer to Section Removal and installation of the upper engine cover / lower protection of the engine compartment / subframe.
2. Clean the gearbox housing with a cold cleaner.
3. Sprinkle potential leaks with lime or talcum powder.
4. Drive a car. To make the oil liquid, drive on the highway for a distance of approximately 30 km.
Caution: The operation of lifting and placing the vehicle on stands is dangerous! Therefore, before carrying out the operation, read Section Jacking and towing.
5. Raise and place the vehicle on stands. Illuminate the gearbox with a lamp and check for leaks.
6. Repair leaks immediately.
7. diesel engine: Install the engine bottom cover, refer to Section Removal and installation of the upper engine cover / lower protection of the engine compartment / subframe.
Checking the level and adding oil
Special tool:
- Inspection pit or jack with stands.
- To unscrew the plug for filling the system with oil, depending on the version:
- 10 mm hexagon socket wrench, e.g. HAZET 985-10;
- multi-faced socket wrench 16 mm, e.g. HAZET 2567-16 or AUDI 3357.
- A thin wire, the end of which is 1 cm long bent 90°, for measuring the oil level.
1. Install the car over a viewing hole or raise it horizontally on stands.
2. Remove the bottom cover of the engine, refer to Section Removal and installation of the upper engine cover / lower protection of the engine compartment / subframe.
3. The oil fill plug is located on the gearbox in front of the left drive shaft and can be covered with a shaft heat shield. In this case, the heat shield must be removed.
4. Remove the oil fill plug with a 10 mm Allen key or Allen key 3357.
5. Front wheel drive models with gearbox 012/01W: To check the oil level, use the self-made pointer described above with a bent end. To control the level, hold the pointer horizontally in the hole, the bent end should look down. Remove the pointer and check the oil level on the pointer. The oil level is correct if it is 7 mm below the hole.
- 1 - Oil in the gearbox
- 2 - Self-made oil level indicator
- 3 - Crankcase
6. Models with 5-speed all-wheel drive (01A), as well as with 5- and 6-speed front-wheel drive (01E): The oil level must reach the lower edge of the screw plug hole.
7. Models with 6-speed all-wheel drive (01E): The oil level must be 1±1 mm below the screw plug hole.
Caution: If the oil level is too low, check the box for leaks, repair if necessary (service station work). It's not enough just to add oil. The correct oil level must be observed! Under no circumstances should oil be overfilled.
8. If the check point is tight, fill in oil. Tighten the plug as specified in Specifications moment.
9. Attach the heat shield to the gearbox if removed.
10. Reinstall the cover of the engine compartment, refer to Section Removal and installation of the upper engine cover / lower protection of the engine compartment / subframe.
Rear axle differential, quattro models
The differential oil level is checked by unscrewing the oil filling plug (arrow). The oil level must reach the lower edge of the threaded hole.
Tighten the plug as specified in Specifications moment.
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