Fuel Pipe, Auxiliary Heater, Replacing

Fuel pipe, auxiliary heater, replacing

The information below applies to cars manufactured up to week 38 2001 inclusive.

Information for cars manufactured from week 39 2001 inclusive. See Replacing the fuel line for the engine coolant heater Replacing the Fuel Line For the Engine Coolant Heater

Removal

Preparations
Remove the wind deflector. See Wind deflector, replacement Service and Repair.

Fuel line





Under the car
- Release the quick-release connectors
- Pull the pipe from the clip.




Move the clips to one side to remove the cover over the fuel line.




- Disconnect the hose.

Note! Use Oetiker pincers 3374 to slacken off and secure the Oetiker clamps.

- Disconnect the quick-release connector at the tank.

In the car
- Remove the rear seat cushion. See Cushion Cushion
- Remove the insulation.




- Remove the 4 nuts and the inspection hatch
- Pull the hose up from the tank and feed out the remaining section.

Installation

Fuel line





Note! When installing from new, drill a 4 mm hole for the fuel line as illustrated.

Reinstall in reverse order.

Note! When installing for the first time connect the fuel line to a vacuum pump. Suck carefully until fuel comes out. Connect the cables and hoses.

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. See Engine coolant heater, test running Engine Coolant Heater, Test Running
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.