Coolant Outlet: Service and Repair

Water Outlet Housing Replacement (LH2)

Removal Procedure





1. Drain the cooling system. Refer to Draining and Filling Cooling System (Static Fill) Draining and Filling Cooling System (GE 47719) .
2. Remove the throttle body.





3. Remove the manifold absolute pressure (MAP) sensor (3).
4. Disconnect the evaporative emission (EVAP) canister purge solenoid valve hose and electrical connector.





5. Compress the clamps and remove the following hoses from the thermostat and the water housing:
^ The heater inlet hose (1)
^ The radiator inlet hose (2)
^ The heater outlet hose (3)
^ The bypass hose (4)
^ The surge tank inlet hose





6. Loosen the intake manifold duct clamp (1).





7. Remove the bolts (1, 2) securing the water outlet housing to the cylinder heads.
8. Remove the water outlet housing from the vehicle.
9. Discard the water outlet housing gaskets.
10. Clean and inspect the water outlet housing. Refer to Water Outlet Housing Cleaning and Inspection.
11. Remove the following components from the water outlet housing if replacement is necessary:
^ The intake manifold inlet duct and clamp
^ The surge tank inlet hose fitting
^ The heater inlet hose fitting
^ The evaporative emission (EVAP) canister purge solenoid valve-Refer to Evaporative Emission (EVAP) Canister Purge Solenoid Valve Replacement.

Installation Procedure





1. Notice: Refer to Fastener Notice in Service Precautions.

Install the following components to the water outlet housing if previously removed:
^ The intake manifold inlet duct and clamp
^ Tighten the manifold inlet duct clamp to 6 Nm (53 inch lbs.).
^ The surge tank inlet hose fitting
^ Tighten the surge tank inlet hose fitting to 18 Nm (13 ft. lbs.).
^ The heater inlet hose fitting
^ Tighten the heater inlet hose fitting to 20 Nm (15 ft. lbs.).
^ The (EVAP) canister purge solenoid valve
^ Tighten the purge solenoid valve bolt to 12 Nm (106 inch lbs.).
2. Install NEW water outlet housing gaskets.

3. Important: The water outlet housing uses two different size bolts.

Bolt (2) is approximately 10 mm longer than the other three bolts (1).
4. Install the water outlet housing to the vehicle.
5. Install the water outlet housing bolts.
^ Tighten the water outlet housing bolts to 25 Nm (18 ft. lbs.).





6. Tighten the intake manifold duct clamp (1).
^ Tighten the intake manifold inlet duct clamp to 6 Nm (53 inch lbs.).





7. Compress the clamps and install the following hoses to the thermostat and the water housing:
^ The heater inlet hose (1)
^ The radiator inlet hose (2)
^ The heater outlet hose (3)
^ The bypass hose (4)
^ The surge tank inlet hose





8. Connect the evaporative emission (EVAP) canister purge solenoid valve hose and electrical connector.
9. Install the manifold absolute pressure (MAP) sensor (3).





10. Install the throttle body.
11. Fill the cooling system. Refer to Draining and Filling Cooling System (Static Fill) Draining and Filling Cooling System (GE 47719) .