Removal And Installation - Jeep 1996 Grand Cherokee Service Manual

7 - 26 COOLING SYSTEM
SERVICE PROCEDURES (Continued)
cooling tube passages. For more information, refer to
operating instructions supplied with flushing equip-
ment. Have radiator cleaned more extensively by a
radiator repair shop.
REVERSE FLUSHING ENGINE
Drain the cooling system. Remove the thermostat
housing and thermostat. Install the thermostat hous-
ing. Disconnect the radiator upper hose from the
radiator and attach the flushing gun to the hose. Dis-
connect the radiator lower hose from the water
pump. Attach a lead away hose to the water pump
inlet fitting.
Connect the water supply hose and air supply hose
to the flushing gun. Allow the engine to fill with
water. When the engine is filled, apply air in short
blasts, allowing the system to fill between air blasts.
Continue until clean water flows through the lead
away hose. For more information, refer to operating
instructions supplied with flushing equipment.
Remove the lead away hose, flushing gun, water
supply hose and air supply hose. Remove the thermo-
stat housing and install thermostat. Install the ther-
mostat housing with a replacement gasket. Refer to
Thermostat Replacement.
hoses. Refill the cooling system with the correct anti-
freeze/water mixture.
CHEMICAL CLEANING
In some instances, use a radiator cleaner (Mopar
Radiator Kleen or equivalent) before flushing. This
will soften scale and other deposits and aid the flush-
ing operation.
CAUTION: Be sure instructions on the container
are followed.

REMOVAL AND INSTALLATION

TRANSMISSION OIL COOLER—AUXILIARY
REMOVAL
(1) Disconnect negative battery cable at battery.
(2) Remove the grill. Refer to Group 23, Body.
(3) Remove the bumper fascia. Refer to Group 23,
Body.
(4) Remove the grill opening reinforcement panel.
Refer to Group 23, Body.
(5) Remove two bracket bolts and three brace bolts
(Fig. 23).
(6) Remove the retaining clip from the cooler lines
(Fig. 23).
(7) Place a drain pan under the cooler.
(8) Disconnect the upper hose clamp at cooler line
(Fig. 24). Separate the line from the rubber hose.
Connect the radiator
Fig. 23 Oil Cooler Mounting Brackets—Typical
Fig. 24 Oil Cooler Hoses—Typical
(9) Position the cooler to gain access to lower hose.
The cooler lines are routed through a rubber seal
located on the side of radiator. Be careful not to cut
or tear this seal when positioning cooler for lower
hose removal.
(10) Remove lower hose clamp and hose from
cooler.
(11) Remove cooler from vehicle.
INSTALLATION
(1) Position cooler to vehicle.
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