Audi A4 with 2001- 2005 of release.
1. Operation and car maintenance service
2. The engine
3. Transmission
4. A running gear
5. The steering mechanism
5.1. Preliminary checks
5.1.1. Check of level of oil in the steering hydraulic booster
5.1.2. Prorolling of system of a steering
5.1.3. Check of system of a steering on tightness
5.1.4. Pressure check крыльчатого the pump (cars with 4-tsil. Petrol and 6-tsil. Diesel engines)
5.1.5. Cars with the 6-cylinder petrol engine
5.1.6. Cars with the 8-cylinder petrol engine and a chain drive
5.2. Repair of the steering mechanism
5.3. Tables
6. Brake system
7. An onboard electric equipment
8. A body
9. Electric equipment schemes
 




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5.1.2. Prorolling of system of a steering

After works on steering system its prorolling which can be various depending on amount of executed works is made.

After steering replacement in gathering or after amplifier replacement
Check up level of oil of hydraulic system and if necessary add.
Raise the car so that forward wheels were released.
For short time start the engine (макс. 2 with.)
Air should not get to the pump, therefore it a steering wheel do not twist.
Intervals between engine starts nearby 30 with.
Check up level of oil of hydraulic system and if necessary add.
Repeat operations while oil level is not stabilised.
At the switched off engine of 10 times turn a steering wheel from an emphasis against the stop.
Check up level of oil of hydraulic system and if necessary add.
Air which has remained in system will leave during car movement approximately through 10–20 km independently.

At replacement of an element of a steering, except the amplifier (the pump, hoses, etc.)
Check up level of oil of hydraulic system and if necessary add.
For short time start the engine (макс. 2 with.)
Air should not get to the pump, therefore it a steering wheel do not twist.
Intervals between engine starts nearby 30 with.
Check up level of oil of hydraulic system and if necessary add.
Repeat operations while oil level is not stabilised.
Start the engine and leave to work 2–3 minutes, a steering wheel do not twist.
Air which has remained in system will leave during car movement approximately through 10–20 km independently.


5.1.1. Check of level of oil in the steering hydraulic booster

5.1.3. Check of system of a steering on tightness