Power Steering Fluid Cooler: Service and Repair

Hydraulic Fluid Cooler

Special tools, testers and auxiliary items required

• Hose clamps up to 25 mm diameter (3094)

• Torque Wrench (V.A.G 1410)

• Spring type clip pliers (VAS 5024 A)

Removing

- If the vehicle has air suspension, turn on the "vehicle lift mode". Refer to => [ Vehicle Lift Mode ] Vehicle Lift Mode.

- Only remove front noise insulation - 1 -.






- Remove the upper radiator cover and fan shroud with the coolant fans.

- Loosen the radiator - A - from the lock carrier - C - and swivel it, with the coolant hoses still connected, as far as possible to the rear (disengage and tilt, do not remove the radiator, do not open the coolant system). Be careful not to damage any components.






• Clamp on the left and right sides secure the radiator (press again the lock - arrow - to remove the clamps).






• Bolts - 2 - on the left and right secure the radiator to the lock carrier.






- Clamp the hydraulic lines - 1 and 2 - with (3094).






- Disconnect hydraulic lines - 1 and 2 - at hydraulic oil cooler.

- Remove screw - 2 - on back side of cooler.






- Disengage the hydraulic fluid cooler - 1 - at the bottom from the A/C condenser.

Installing

Install in reverse order of removal. Note the following:

• If hydraulic oil cooler was replaced, all hydraulic oil must be replaced.

• Secure all hose connections with hose clamps appropriate to the model. Refer to the Parts Catalog.

• Clean oiled places in engine compartment.

- Tighten the bolt on the rear side of the radiator to 9 Nm.

- Fill the hydraulic fluid and check the level. Refer to => [ Power Steering, Checking Hydraulic Oil Level ] Power Steering, Checking Hydraulic Oil Level.

- Bleed the steering system. Refer to => [ Steering System, Bleeding after Reinstalling ] Service and Repair.

- On vehicles with air suspension, position vehicle on wheels. Refer to => [ Positioning Vehicle on Hoist and Wheels ] Positioning Vehicle on Hoist and Wheels.