Jeep 1997 Grand Cherokee Service Manual page 268

7 - 40 COOLING SYSTEM
REMOVAL AND INSTALLATION (Continued)
4.0L ENGINE
REMOVAL
Belt tension is adjusted at the power steering
pump bracket and idler pulley assembly.
(1) Disconnect negative battery cable from battery.
(2) Loosen belt tension at power steering pump
bracket and idler pulley (Fig. 63).
(3) Remove belt.
INSTALLATION
(1) Check condition of all pulleys.
CAUTION: When installing the serpentine acces-
sory drive belt, the belt MUST be routed correctly. If
not, the engine may overheat due to the water
pump rotating in the wrong direction (Fig. 64).
(2) Install new belt. Refer to the end of this group
for Drive Belt Tension specifications.
(3) After power steering pump bracket and idler
pulley has been tightened into position, recheck belt
tension. Adjust if necessary.
5.2/5.9L Engines
Drive belts on the 5.2/5.9L engines are equipped
with a spring loaded automatic belt tensioner (Fig.
65).
CAUTION: Do not attempt to check belt tension
with a belt tension gauge on vehicles equipped with
an automatic belt tensioner. Refer to Automatic Belt
Tensioner in this group.
PUMP BRACKET
Fig. 63 Power Steering Pump Bracket and IdlerPulley
AC +
CRANK IDL
+ +
Fig. 64 Belt Routing—4.0L Engine
REMOVAL
(1) Attach a socket/wrench to pulley mounting bolt
of automatic belt tensioner (Fig. 65).
(2) Rotate tensioner assembly clockwise (as viewed
from front) until tension has been relieved from belt.
(3) Remove belt from idler pulley first.
(4) Remove belt from vehicle.
PUMP ASSEMBLY IDL + ALT + WP & FAN + PS +
ZG