Wire Harness / Hoses / Pipes, Replacing

Wire Harness / Hoses / Pipes, Replacing

Removal

Preparations

- Remove the heater.
- Remove the fan shroud.

Wiring harness, replacement










- Disconnect all the connectors and the sensor.
- Cut the tie strap.
- Replace the wiring harness.

Replacing the hoses and pipes







- Release the quick-release connectors.
- Remove the hose clamps.
- Replace the hose / pipe.

NOTE: Use Oetiker pincers 3374 to slacken off and secure the Oetiker clamps.

Installation

Bleeding the fuel system

- Connect the fuel line to vacuum pump 998 5876. Suck carefully until fuel comes out. Connect the cables and hoses.

Water pump

- Install in reverse order.

NOTE: Always check that there is clearance between the fuel line and water hose.

Final check

NOTE: Start the engine and let it idle for a few seconds before starting the heater.

- Test run the heater. Check the function of the heater.
- Check both the coolant hoses and the fuel lines for leakage.
- Top up the coolant if necessary.
- Check that no diagnostic trouble codes (DTC) have been stored during the repair work.