Power Steering Fluid Cooler: Service and Repair

WM 489219 Removing and installing cooler for power steering

Preliminary work

1. Raise the vehicle => Lifting the vehicle.
2. Remove engine guard -> 108019 Removing and installing engine guard - section on "Removing" 108019 Removing and installing engine guard (underbody panelling)
3. Remove front apron -> 631519 Removing and installing front apron - section on "Removing"

Removing cooler for power steering

The -cooler for power steering system- is located at the -radiator module (radiator, condenser, ATF cooler, cooler for power steering system)- , behind the front apron.

Servo oil cooler

CAUTION

Increased risk of accidents if Pentosin CHF 202 gets onto the surrounding area (e.g. onto the coolant hoses) when the oil coolant hoses are loosened (opened).

- Possible danger of injury or damage.

-> Collect any emerging Pentosin.
-> Wear protective goggles when carrying out overhead work on lines with Pentosin.
-> Wear protective gloves.
-> If coolant hoses come into contact with Pentosin, thoroughly clean them with water IMMEDIATELY.
-> Replace visibly swollen coolant hoses.

1. Remove lateral air guides and the air guide at the top -Arrows-.

Information

- For the Cayenne Turbo, the centre piece of the air guide is a single-part.

2. The bottom air guide -Arrows- does not have to be removed. Remove retaining bracket (front apron engine guard) and move the lock carrier into the service position -> 503809 Loosening and fastening lock carrier (service position) - section on "Loosening" 503809 Loosening and Securing Lock Carrier (Service Position).

3.

4. Use an appropriate collecting container for any Pentosin which runs out. Release hoses from cooler for power steering and close with suitable plugs. Remove the mount for the cooler for power steering -Arrow- , only screwed on the left-hand side.

Mount for the servo oil cooler

5. Unclip the cooler for power steering from the mount -Arrow-.

6. Bracket

7. Pull the -retaining frame for radiator- carefully to the front.

8. Carefully push the radiator module back. Pull the -cooler for power steering- out between the radiator module and the retaining frame for the radiator.

Installing cooler for power steering

Installing radiator for power steering

1. Push the -cooler for power steering system- in between the radiator module and the retaining frame for the radiator.

2. Retract the radiator for power steering into the mount -arrow-.

3. Clip the radiator for power steering into the bracket -arrow-. Ensure correct seating.

5. Fit fastening screw -arrow- , connect hoses for power steering radiator and fit securing clamps. The hoses must not be twisted in the process.

6. Together with bottom air guide, move bumper out of service position and into normal position -> 503819 Removing and installing lock carrier Removal and Replacement and fit retaining bracket (front apron engine guard).

7. Install top air guide -arrows- and lateral air guides.

Subsequent work

1. Fit front apron -> 631519 Removing and installing front apron - section on "Installing" .
2. Mount engine guard -> 108019 Removing and installing engine guard - section on "Installing" 108019 Removing and installing engine guard (underbody panelling)
3. Fill Pentosin and bleed steering => Test and assembly work on power steering.
4. Lower the vehicle => Lifting the vehicle.