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COOLING SYSTEM
7 - 23
(4) Loosen adjusting bolt to remove or replace belt.
(5) I n s t a l l belts. T h e b e l t s a r e a m a t c h e d set.
ADJUSTMENT
SCREW
T-BOLT
LOCK NUT
ADJUSTMENT
BRACKET
LOCK SCREW
ALTERNATOR
ADJUSTING
(JACK) SCREW
AIR PUMP
PIVOT SCREW
24 FT. LBS.
(33 N.m)
AIR PUMP
ADJUST
BRACKET
SCREW
24 FT. LBS.
(33 Nm)
P/S ADJUST
BRACKET
RR07B62
PIVOT
SCREW
30 FT. LBS
(41 N-m)
PIVOT & ADJUSTING SCREWS
40 FT. LBS. (54 N-m)
Fig. 5 Accessory Drive System—3.9L, 5.2L Engines
and 5.9L Engines Low Duty Cycle
B o t h b e l t s m u s t b e r e p l a c e d a t t h e s a m e t i m e .
Tension belts b y t i g h t e n i n g t h e adjusting bolt. Refer
to " B e l t Tension C h a r t " i n t h e "Specifications" sec-
t i o n for tension specifications.
(6) T i g h t e n l o c k n u t to 27 N * m (20 ft-lbs) torque.
(7) T i g h t e n pivot bolt and n u t t o 40 N * m (30 ft-lbs)
torque.
(8)
Connect
battery
negative cable to battery.
T i g h t e n cable t e r m i n a l bolt to 12 N * m (100 in-lbs)
torque. ••'T
:
\
AIR PUMP
BELT
(1) Disconnect battery negative cable from battery.
(2) Loosen a i r pump lock screw (Fig. 5 or 6).
(3) Loosen a i r pump pivot screw a n d remove or re-
place belt.
(4) Insert a 1/2 i n c h breaker b a r i n t o t h e square
hole i n t h e adjustment bracket a t t h e rear of t h e
p u m p and adjust belt tension. Refer to t h e " B e l t Ten-
sion C h a r t " i n the "Specifications" section for tension
specifications.
(5) T i g h t e n t h e lock screw a n d p i v o t screw to 33
N*m (24 ft-lbs) torque.
PIVOT
BOLT
ADJUSTMENT
BRACKET
J9007-63
Fig. 6 Accessory Drive System—Heavy Duty Cycle
5.9L Engine
(6)
Connect
battery
negative cable t o battery.
T i g h t e n cable t e r m i n a l bolt to 12 N*m (100 in-lbs)
torque.
POWER STEERING
PUMP
BELT
(1) Disconnect battery negative cable from battery.
(2) Loosen power steering p u m p adjusting screw
and pivot screw (Fig. 5).
(3) Remove or replace t h e belt.
(4) Insert a 1/2 i n c h breaker b a r i n t o t h e square
hole i n t h e adjusting bracket a t t h e front o f t h e
p u m p and adjust belt tension. Refer to the " B e l t Ten-
sion C h a r t " i n the "Specifications" section for tension
specifications.
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