Ihka Housing, Removing And Installing - BMW 1999-2005 M3 Service Manual

Heating and Air Conditioning
4 of 9
http://ebahn.bentleypublishers.com/BMW/3/E46/Repair%20Manuals/6...
(arrows) to detach pipes.
Tilt heater core to remove from
housing.
- Installation is reverse of removal.
Fit lugs in back of housing cover
in heater housing slots.
Use new sealing O-rings and coat
with anti-seize agent.
Fill and bleed cooling system.
See 170 Radiator and Cooling
System.
CAUTION!
Replace coolant flange O-rings and
tighten fasteners to specified
torques.
Tightening torque
Coolant hose
clamp
32 - 48 mm
(2 1/4- 4 in.)
IHKA housing, removing and
installing
CAUTION!
Removing the IHKA housing
requires evacuating the A/C
system. DO NOT attempt this
procedure without proper tools
and training.
Any person who services a
2.5 Nm (22 in-lb)
2/25/2009 11:17 PM