64 11 207 Replacing Heater Core

64 11 207 Replacing heat exchanger

Special tools required:







WARNING:
Follow instructions for working on cooling system.







Necessary preliminary work:
- Remove intake filter housing







Unlock and detach coolant lines (1).
Carefully blow through twin pipes to remove remaining coolant from heater core.

Installation note:
Make sure coolant lines (1) are correctly seated.

Vent cooling system and check for watertightness.







Remove instrument panel trim at bottom left.
Release screws (1) and feed out cover (2) towards bottom.







NOTE: Have cloths or paper towels ready in order, if necessary, to catch escaping coolant.

Release screws (1) and pull out heater core (2) approx. 10 mm.

Release screw (5).

Unclip holder (3) and remove.

Carefully pull twin pipes (4) out of heater core (2) and if necessary catch escaping coolant.

Carefully pull out heater core (2).

Installation note:
Fins of heater core (2) must not be damaged.

Make sure heater core (2) is correctly seated.







Installation note:
Replace sealing rings (1).

Use special tool 00 9 030 to fit sealing rings (1) without damaging them.

Make sure twin pipes (3) are correctly seated on heater core (2).