Chrysler 300M 2002 Service Manual page 194

LH
DRIVE BELTS - 2.7L (Continued)
Fig. 3 Drive Belt Wear Pattern
1 - NORMAL CRACKS - BELT OK
2 - NOT NORMAL CRACKS - REPLACE BELT
INSTALLATION
AIR CONDITIONING BELT - NEW
WARNING: DO NOT REMOVE A/C BELT TENSIONER
LOCKING BOLT WITHOUT FIRST HOLDING THE
TENSIONER WITH A 1/2" DRIVE BREAKER BAR, AS
PERSONAL INJURY COULD RESULT.
NOTE: Verify that torsion spring position is in the
new belt position before installing a NEW belt (Fig.
4). If torsion spring is not in the new belt position,
follow steps 1–7 to change the tensioner spring
from the USED belt position to the NEW belt posi-
tion.
(1) Insert a 1/2" drive breaker bar into the square
opening on the tensioner. Hold counterclockwise pres-
sure on tensioner while removing the locking bolt
(Fig. 2).
(2) Carefully release spring load of the torsion
spring on the tensioner.
(3) Remove pivot bolt, tensioner, and spring from
front timing cover.
(4) Insert spring arm into the NEW belt position
on the tensioner (Fig. 4).
(5) Install torsion spring, tensioner, and pivot bolt.
(6) Install pivot bolt. Tighten only finger tight, at
this time.
(7) Using a 1/2" drive breaker bar, apply counter-
clockwise pressure until locking bolt can be installed.
(8) Install the NEW belt by rotating the tensioner
counterclockwise until the NEW belt can be installed
on pulleys. See (Fig. 5) for belt routing.
(9) Release tensioner and remove breaker bar. Belt
is automatically adjusted with the tensioner's torsion
spring.
(10) Tighten tensioner locking bolt and pivot bolt
to 28 N·m (250 in. lbs.) (Fig. 2).
(11) Install generator/power steering belt. Refer to
GENERATOR/POWER STEERING BELT INSTAL-
LATION for procedure.
Fig. 4 Air Conditioning Belt Tensioner Spring
1 - TENSIONER
2 - TORSION SPRING
3 - NEW BELT POSITION
4 - USED BELT POSITION
AIR CONDITIONING BELT - USED
NOTE: A "used belt" is considered having more
than 500 miles of service use.
NOTE: Perform steps 1–7 to change the tensioner
spring from the NEW belt position, to the USED belt
position.
(1) Insert a 1/2" drive breaker bar into the square
opening on tensioner. Hold counterclockwise pressure
on tensioner, while removing tensioner locking bolt
(Fig. 2).
ACCESSORY DRIVE 7 - 15
Position