2013-2021 Jeep Wrangler Water Pump Replacement

3.6L Engine

Removal

Note: The water pump on 3.6L engines is bolted directly to the engine timing chain case cover.

2013-2021 Jeep Wrangler Water Pump Replacement

1. Disconnect negative battery cable from battery.

2. Disconnect the intake air temperature sensor (2).

3. Loosen the clamps (1,4). Remove the air intake hose and resonator (3) assembly.

4. Drain the cooling system.

5. Remove the accessory drive belt.

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. Always wear safety glasses when servicing constant tension clamps.

6. Remove the lower heater hose (1) at the water pump and position aside.

7. Remove the lower radiator hose (3) from the water pump and position aside.

5. Tighten the bolts 1-12 in the sequence shown. Tighten the bolts to their respective torque.

• Tighten M6 mounting bolts to 11 Nm (8 ft lbs)
• Tighten M8 bolts to 23 Nm (17 ft lbs.)
• Tighten M10 bolts to 50 Nm (37 ft lbs)
• Repeat tightening sequence until the proper torque has been met.

6. Spin water pump to be sure that pump impeller does not rub against timing chase case/cover.

7. Install the lower radiator hose (2).

8. Install the lower return heater hose (1).

9. Install the serpentine belt (4).

10. Evacuate air and refill cooling system.

11. Install the air intake hose and resonator (3) assembly at the air filter housing (4).

12. Connect the intake air temperature sensor (2).

13. Connect negative battery cable.

14. Check the cooling system for leaks.

2013-2021 Jeep Wrangler Water Pump Replacement

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