Jeep Cherokee

 Service Manual

Cooling system » Removal and installation
Radiator-2.5L

WARNING: DO NOT REMOVE THE CYLINDER BLOCK DRAIN PLUGS OR LOOSEN THE RADIATOR DRAINCOCK WITH THE SYSTEM HOT AND PRESSURIZED.

SERIOUS BURNS FROM THE COOLANT CAN OCCUR.

DO NOT WASTE reusable coolant. If solution is clean, drain coolant into a clean container for reuse.

WARNING: CONSTANT TENSION HOSE CLAMPS ARE USED ON MOST COOLING SYSTEM HOSES.

WHEN REMOVING OR INSTALLING, USE ONLY TOOLS DESIGNED FOR SERVICING THIS TYPE OF CLAMP, SUCH AS SPECIAL CLAMP TOOL (NUMBER 6094) (Fig. 12). SNAP-ON CLAMP TOOL (NUMBER HPC-20) MAY BE USED FOR LARGER CLAMPS.

ALWAYS WEAR SAFETY GLASSES WHEN SERVICING CONSTANT TENSION CLAMPS.

CAUTION: A number or letter is stamped into the tongue of constant tension clamps (Fig. 11). If replacement is necessary, use only an original equipment clamp with matching number or letter.

REMOVAL

(1) Disconnect battery negative cable.

(2) Observe the previous WARNINGS.

(3) Remove radiator pressure cap.

(4) For access to radiator draincock, remove radiator grill mounting screws and remove grill. Refer to Group 23, Body for procedures.

(5) Attach one end of a 24 inch long X 1/4 inch ID hose to the radiator petcock (Fig. 34). Put the other end into a clean container. Open petcock and drain radiator.

(6) Detach power steering fluid reservoir from fan shroud and lay aside.

(7) Disconnect electric cooling fan electrical connector, if equipped.

Fig. 34 Radiator Petcock-Typical

1 - RADIATOR PETCOCK

(8) Disconnect CRS hose from radiator filler neck and remove from shroud retaining loops.

(9) Remove the four (4) viscous fan/drive assembly nuts from the water pump pulley and remove fan/ drive assy.

(10) Remove the four (4) fan shroud to core support mounting screws.

(11) Remove the electric fan (if equipped) and shroud assembly from the vehicle (Fig. 36).

(12) Remove radiator upper crossmember (Fig. 36).

(13) If equipped with air conditioning, separate radiator from condenser by removing condenser-to-radiator mounting brackets (Fig. 35).

(14) Disconnect upper and lower radiator hoses.

(15) If equipped, disconnect and plug automatic transmission fluid cooler lines. Quick Connect Fitting Release Tool 6935 may be needed. If equipped with remote transmission cooler, remove line to cooler from bracket at bottom of radiator.

(16) Lift radiator straight up and out of engine compartment taking care not to damage fins.

(17) If radiator is to be replaced, be sure to remove and transfer any components not included with replacement radiator.

INSTALLATION

The radiator is supplied with two alignment dowels (Fig. 41). They are located on the bottom tank and fit into rubber grommets in the radiator lower crossmember.

Fig. 35 Condenser-to-Radiator Mounting Brackets

1 - CONDENSER TO RADIATOR MOUNTING BRACKETS

(1) Lower radiator into engine compartment. Position alignment dowels into rubber grommets in radiator lower crossmember (Fig. 41).

(2) If equipped with air conditioning, attach condenser to radiator with mounting brackets (Fig. 35).

(3) Install radiator upper crossmember and four mounting bolts.

(4) Install radiator upper crossmember-to-isolator nuts. Tighten nuts to 10 N·m (86 in. lbs.) torque. If isolator-to-radiator nuts had been removed, tighten them to 5 N·m (47 in. lbs.) torque.

(5) Connect radiator upper and lower hoses.

(6) If equipped, connect automatic transmission fluid cooler lines. If equipped with remote cooler, attach cooler line to bracket at bottom of radiator.

(7) Install electric fan (if equipped) and shroud assembly.. Insert alignment tabs at bottom of fan shroud into slots in bracket at bottom of radiator.

Tighten mounting bolts to 3 N·m (31 in. lbs.) torque.

(8) Connect electric cooling fan electrical connector.

(9) Install power steering reservoir to fan shroud.

(10) Install grill.

(11) Connect battery negative cable.

Fig. 36 Radiator Removal/Installation-2.5L Engines

1 - ELECTRIC FAN/SHROUD ASSEMBLY
2 - UPPER CROSSMEMBER
3 - ISOLATOR
4 - RADIATOR
5 - LOWER CROSSMEMBER
6 - U-NUT

Fig. 37 Radiator Alignment Dowels-Typical

1 - ALIGNMENT DOWEL
2 - RADIATOR
3 - AIR CONDITIONING CONDENSER
4 - GROMMET

(12) Fill cooling system with correct coolant. Refer to the Coolant section of this group.

(13) Install pressure cap.

(14) Check and adjust automatic transmission fluid level (if equipped).

(15) Start engine and visually check for leaks.

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Coolant reserve tank

Water pump

Thermostat

Radiator-2.5L

Radiator-4.0L

Electric cooling fan-2.5L

Electric cooling fan-4.0L

Block heater

Engine accessory drive belts

Cooling system fans

Viscous fan drive removal/ installation