Dodge ram truck 3500 1996 Service Manual page 340

7 - 56 COOLING SYSTEM
BR
R E M O V A L A N D
INSTALLATION
fContinued)
* ! F VEHICLE IS NOT EQUIPPED WITH POWER
STEERING, THIS WILL BE A N IDLER PULLEY, J9307-26
Fig. 89 Belt Routing—3.9L V-6 or 5.2/5.9L V-8
LDC-Gas Engines
Fig. 90 Belt Tensioner—5.9L HDC-Gas and 8.0L V-10
Engines—Typical
(1) Attach a socket/wrench to pulley mounting bolt
of automatic tensioner (Fig. 90). The threads on the
pulley mounting bolt are left- hand.
(2) Relax the tension from the belt by rotating the
tensioner counterclockwise (as viewed from front)
(Fig. 90). When all belt tension has been relaxed,
remove belt from tensioner pulley first and other pul­
leys last.
1ISTALLAT10N
CAUTION: When installing serpentine accessory
drive belt, the belt must be routed correctly. If not,
engine may overheat due to water pump rotating in
wrong direction. Refer to (Fig. 91) (Fig. 92)for cor­
rect engine belt routing. The correct belt with cor­
rect length must be used.
CAUTION: If the pulley is to be removed from the
tensioner, its mounting bolt has left-hand threads.
(1) Position drive belt over all pulleys except ten­
sioner pulley.
(2) Attach a socket/wrench to pulley mounting bolt
of automatic tensioner (Fig. 90).
(3) Rotate socket/wrench counterclockwise. Install
belt over tensioner pulley. Let tensioner rotate back
into place. Remove wrench. Be sure belt is properly
seated on all pulleys.
AUTOMATIC
TENSIONER
J9307-55
Fig. 91 Belt Routing—5.9L HDC-Gas Engine and 8.0
L V-10—With A/C
5.9L DIESEL ENGINE
REMOVAL
Drive belts on diesel engines are equipped with a
spring loaded automatic belt tensioner (Fig. 93).
(Fig. 93) displays the tensioner for vehicles
without air conditioning.
This belt tensioner will be used on all belt config­
urations, such as with or without air conditioning.
For more information, refer to Automatic Belt Ten­
sioner, proceeding in this group.