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Home >> Jeep >> 1999 >> Wrangler L4-2.5L VIN P >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Cooling System >> Radiator >> Service and Repair
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Radiator: Service and Repair

REMOVAL

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.

(1) Disconnect negative battery cable at battery.
(2) Observe the previous WARNING. Remove the radiator cap.
(3) Position drain pan under draincock. Open radiator draincock and drain radiator. DO NOT WASTE reusable coolant. If solution is clean, drain coolant into a clean container for reuse.
(4) Remove radiator upper and lower hose clamps. Remove radiator hoses.
(5) Disconnect coolant reserve/overflow tank hose from radiator.

Radiator-Remove/Install:





(6) Remove the four fan shroud mounting bolts. On some models the power steering fluid reservoir tank is attached to the side of the fan shroud. Tie the reservoir back to prevent spillage. Position the fan shroud back over the fan blades.
(7) If equipped, disconnect and plug automatic transmission fluid cooler lines.
(8) Remove six radiator mounting bolts. Position the front axle vent hose to the side.
(9) Lift radiator straight up and out of vehicle taking care not to damage radiator fins.
(10) When removing radiator, note position of the rubber seals located on the top and bottom of radiator (on certain models only). To prevent possible overheating, these seals must be installed to their original positions.

INSTALLATION
(1) Position the radiator. Install and tighten the six mounting bolts to 8 Nm (72 inch lbs.) torque.
(2) Close radiator draincock.
(3) Position fan shroud and power steering reservoir tank (if equipped). Install and tighten four mounting bolts to 8 Nm (72 inch lbs.) torque.
(4) If equipped, remove plugs and connect automatic transmission fluid cooler lines. Tighten fittings to 16 Nm (140 inch lbs.)
(5) Connect radiator hoses and install hose clamps.
(6) Connect battery negative cable.
(7) Fill cooling system with correct coolant.
(8) Connect coolant recovery bottle hose.
(9) Install radiator cap.
(10) Check and adjust automatic transmission fluid level (if equipped).
(11) Start engine and check for leaks.

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