A8 Quattro Sedan V8-4.2L (BVJ) (2008)
Power Steering Pump: Testing and Inspection
Power Steering Pump, Checking Delivery Pressure
Special tools, testers and auxiliary items required
‹› Hose clamps up to 25 mm dia. (3094)
‹› Torque wrench (5-50 Nm) (VAG 1331)
‹› Power steering test unit (VAG 1402)
‹› Adapter (VAG 1402/3)
‹› Adapter hose (VAG 1402/6)
Test Prerequisites
‹› Sealing of system
‹› Hoses/lines are not kinked or constricted
Checking
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Place the vehicle on the hoist. Refer to => [ Positioning Vehicle on the Hoist and on its Wheels ] See: Suspension/Service and
Repair/Procedures/Positioning Vehicle on the Hoist and on its Wheels.
CAUTION!
‹› There is a check valve under the clamp - 3 -. Do not use the (3094) in the check valve area.
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Clamp off the suction hose - 1 - and return hose - 2 - in the reservoir area using the (3094).
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Remove the noise insulation.
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Bring the lock carrier into the service position. See: Body and Frame/Lock Carrier
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Place a suitable wooden block - 2 - between the longitudinal member and the lock carrier - 1 -.