BMW 1999-2005 M3 Service Manual page 234

Camshaft Timing Chain
4 of 16
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Remove radiator cooling fan
-
shroud and viscous clutch cooling
fan (cars with automatic
transmission) or electric cooling
fan (cars with manual
transmission). See
and Cooling System
CAUTION!
On cars with viscous clutch, 32 mm
cooling fan mounting nut has left
hand threads.
Release locking clips and pull hoses
from thermostat housing (arrows).
Unbolt and remove thermostat houses.
Remove drive belts:
Use long-handled wrench to turn
A/C belt tensioner hex (A)
clockwise (against spring tension).
Remove A/C belt.
Similarly, turn main engine drive
belt tensioner hex (B) clockwise
and remove belt.
Remove coolant pump pulley.
-
Remove alternator cooling duct at
-
radiator support.
170 Radiator
2/25/2009 9:51 PM