Special Tools
J 38185 Hose Clamp Pliers
Removal Procedure
- Drain the cooling system. Refer to
Cooling System Draining and Filling.
- Loosen the air cleaner outlet duct clamps at the following locations:
• | Mass air flow (MAF)/intake air temperature (IAT) sensor |
- Remove the air cleaner outlet duct bolt and duct.
- Remove the accessory drive belt tensioner. Refer to
Drive Belt Tensioner Replacement - Accessory for the 5.3 L/6.0 L engine.
- Remove the cooing fan and shroud. Refer to
Cooling Fan and Shroud Replacement.
- Using the
J 38185 , reposition the inlet hose clamp at the water pump.
- Remove the inlet hose from the water pump.
- Using the
J 38185 , reposition the outlet hose clamp at the water pump.
- Remove the outlet hose from the water pump.
- Remove the auxiliary heater inlet and outlet hose/pipe nut.
- Using the
J 38185 , reposition the throttle body hose clamp at the throttle body.
- Remove the hose from the throttle body.
- Using the
J 38185 , reposition the auxiliary heater inlet and outlet hose/pipe clamps at the water pump.
- Remove the inlet and outlet hoses/pipes from the water pump.
- Remove the water pump bolts.
- Remove the water pump and gaskets.
- Discard the water pump gaskets.
Installation Procedure
Caution: Refer to Fastener Caution in the Preface section.
Note: All gasket surfaces are to be free of oil or other foreign material during assembly.
- Install the water pump and NEW gaskets.
- Install the water pump bolts.
Tighten
- On the initial pass, tighten the bolts to 15 N·m (11 lb ft).
- On the final pass, tighten the bolts to 30 N·m (22 lb ft).
- Install the auxiliary heater inlet and outlet hose/pipe nut.
Tighten
Tighten the nut to 10 N·m (89 lb in).
- Install the hose to the throttle body.
- Using
J 38185 , position the throttle body hose clamp at the throttle body.
- Install the inlet and outlet hoses/pipes to the water pump.
- Using
J 38185 , position the auxiliary heater inlet and outlet hose/pipe clamps at the water pump.
- Install the outlet hose to the water pump.
- Using
J 38185 , position the outlet hose clamp at the water pump.
- Install the inlet hose to the water pump.
- Using
J 38185 , position the inlet hose clamp at the water pump.
- Install the cooing fan and shroud. Refer to
Cooling Fan and Shroud Replacement.
- Install the accessory drive belt tensioner. Refer to
Drive Belt Tensioner Replacement - Accessory for the 5.3L/6.0L engine.
- Install the air cleaner outlet duct and bolt.
Tighten
Tighten the bolt to 10 N·m (89 lb in).
- Tighten the air cleaner outlet duct clamps at the following locations:
Tighten
Tighten the clamps to 7 N·m (62 lb in).
- Fill the cooling system. Refer to
Cooling System Draining and Filling.