The inspection of the leakproofness of the GRM at Audi 100 shall be carried out with a reduced level of fluid in the amplifier. To do so, turn the steering wheel one time to the right and left to create maximum pressure in the system and then leave the rudder in the last position and check the most probable leak locations of the liquid: Rotary valve located at the junction of the steering column and the steering gear. In this case, the liquid may be under the dash of the passenger compartment. You need to move the gear casing to the side. The amplifier pump. It may be necessary to diagnose the leakage of the engine. Ensure that all connections are checked and if necessary.
- Rotary valve located at the junction of the steering column and the steering gear. In this case, the liquid may be under the instrument panel.
- Seat-laying pad. You need to move the gear racks to the side.
- A booster pump. It may be necessary to leak the engine to diagnose the leak.
- Pipelines. Ensure that all connections are checked and if necessary.
