Chrysler 300M Service Manual page 201

7 - 14 ACCESSORY DRIVE
DRIVE BELTS - 2.7L
REMOVAL
GENERATOR/POWER STEERING BELT
(1) Loosen tensioner pulley locking nut (Fig. 1).
(2) Loosen belt adjusting bolt (Fig. 1).
(3) Remove generator/power steering belt.
Fig. 1 ACCESSORY DRIVE BELTS
1 - A/C DRIVE BELT
2 - LOCKING NUT
3 - GENERATOR/POWER STEERING DRIVE BELT
4 - ADJUSTING BOLT
AIR CONDITIONING BELT
NOTE: The A/C drive belt self tensioner is NOT a
dynamic tensioner. After adjustment the tensioner
bracket bolts are tightened. The torsion spring is no
longer responsible for tensioning the A/C belt. The
torsion spring is only used for initial belt tension-
ing.
(1) Remove generator/power steering belt to gain
access to A/C belt. Refer to GENERATOR/POWER
STEERING BELT for procedure.
(2) Loosen BUT DO NOT REMOVE tensioner
locking bolt and pivot bolt (Fig. 2).
(3) Insert 1/2" drive breaker bar into square open-
ing on belt tensioner. Rotate tensioner counterclock-
wise until belt can be removed from pulleys (Fig. 2).
(4) Slowly rotate tensioner clockwise to relieve
spring load.
CLEANING
Clean all foreign debris from belt pulley grooves.
The belt pulleys must be free of oil, grease, and cool-
ants before installing the drive belt.
Fig. 2 AIR CONDITIONING DRIVE BELT
1 - 1/2" DRIVE BREAKER BAR
2 - TENSIONER
3 - PIVOT BOLT
4 - LOCKING BOLT
INSPECTION
Belt replacement under any or all of the following
conditions is required:
• Excessive wear
• Frayed cords
• Severe glazing
Poly-V Belt system may develop minor cracks
across the ribbed side (due to reverse bending). These
minor cracks are considered normal and acceptable.
Parallel cracks are not (Fig. 3).
NOTE: Do not use any type of belt dressing or
restorer on Poly-V Belts.
LH