Heater Housing

Heater box

Removing







1 Fit hose clamp pliers part. No. 30 07 739 on the hoses by the heater box.
2 Remove the hoses from the heater box.
3 Blow with compressed air in one pipe to drain remaining coolant from the heater box.
4 Remove the ACC unit where fitted, see Electronic Climate Control, "Electronic Climate Control Module." Service and Repair
5 Work through the following steps according to descriptions in Interior Equipment.
- Remove the glove box.
- Remove the panels on both sides of the centre console.
- Remove the cover around the ignition.
- Remove the rear ashtray.
- Remove the rear air vents and the cover.
- Remove the bolts that secure the rear part of the centre console.
- Remove the switches for the window lifts.
- Remove the centre console.







6 Cut the cable ties and remove the rear floor air ducts in front of the heater box.







7 Open the heater box enclosure.
8 Remove the clips securing the hoses to the heater box.
9 Remove the toggle clips on the side of the heater box, pull down the pipes and lift out the heater box.

Fitting







1 Fit the heater box.
2 Check that the O-ring are positioned correctly and that they are not damaged. Refit the pipes and secure with the clips.
3 Close the heater box enclosure.







4 Refit the rear floor air ducts and secure with a cable tie. Work through the following according to descriptions in section 8:2 Interior equipment:
- Refit the centre console.
- Refit the switches for the window lifts.
- Refit the rear part of the centre console.
- Refit the rear part of the air vent and the cover.
- Refit the rear ashtray.
- Fit the cover around the ignition.
- Refit the panels on both sides of the centre console.
- Refit the glove box.
5 Refit the ACC unit.







6 Refit the coolant hoses on the heater box and secure with hose clips.
7 Fill coolant.