Removal And Installation - Dodge ram truck 3500 1996 Service Manual

B R COOLING SYSTEM 7 - 41
REMOVAL AND INSTALLATION (Continued)
INSTALLATION
(1) I f water pump is being replaced, install the
heater hose fitting to the pump. Tighten fitting to 16
N-m (144 in. lbs.) torque. After fitting has been
torqued, position fitting as shown in (Fig. 55). When
positioning fitting, do not back off (rotate counter­
clockwise). Use a sealant on the fitting such as
Mopar® Thread Sealant With Teflon. Refer to the
directions on the package.
CAUTION: This heater hose fitting must be installed
to pump before pump is installed to engine.
HEATER
HOSE
FITTING
WATER
PUMP
<^ I FRONT
J9407-17
Fig. 55 Heater Hose Fitting Position—8.0L V-10
(2) Clean the o-ring mating surfaces at rear of
water pump and front of timing chain/case cover.
(3) Apply a small amount of petroleum jelly to
o-ring (Fig. 54). This will help retain o-ring to water
pump.
(4) Install water pump to engine as follows: Guide
water pump fitting into bypass hose as pump is being
installed. Install water pump bolts (Fig. 53). Tighten
water pump mounting bolts to 40 N-m (30 ft. lbs.)
torque.
(5) Position bypass hose clamp to bypass hose.
(6) Spin water pump to be sure that pump impel­
ler does not rub against timing chain case/cover.
(7) Connect radiator lower hose to water pump.
(8) Connect heater hose and hose clamp to heater
hose fitting.
(9) Install water pump pulley. Tighten bolts to 22
N-m (16 ft. lbs.) torque. Place a bar or screwdriver
between water pump pulley bolts (Fig. 51) to prevent
pulley from rotating.
(10) Relax tension from automatic belt tensioner
(Fig. 52). Install drive belt.
CAUTION: When installing the serpentine acces­
sory drive belt, the belt must be routed correctly. If
not, engine may overheat due to water pump rotat­
ing in wrong direction. Refer to (Fig. 56) (Fig. 57)for
correct belt routing. The correct belt with correct
length must be used.
AUTOMATIC
TENSIONER
J9307-55
Fig. 56 Belt Routing—8.0L V-10 Engine—With A/C
AUTOMATIC
TENSIONER
J9307-56
Fig. 57 Belt Routing—8.0L V-10 Engine—Without
A/C