Diesel Data: Automotive Repair

Thermostat Housing: Service and Repair

REMOVAL PROCEDURE
1. Drain the engine coolant.





2. Remove the fuel injector sight shield.
3. Remove the air cleaner assembly.
4. Disconnect the shift selector cable.
5. Remove the throttle cable bracket
6. Remove the throttle body.
7. Remove the EGR pipe at the throttle body spacer.





8. Disconnect the upper radiator hose from housing.





9. Disconnect the lower radiator hose from the thermostat housing.





10. Remove the water pump belt cover.
11. Remove the water pump belt tensioner.
12. Remove the water pump belt.
13. Remove the throttle body spacer.
14. Remove the EGR.
15. Disconnect the EGR pipe from the water crossover.
16. Disconnect the park neutral switch.





17. Remove the water pump cover.





18. Remove the water crossover from the engine.


INSTALLATION PROCEDURE

Notice: Refer to Fastener Notice in Service Precautions.





1. Install the water crossover on the engine.
^ Tighten the water crossover bolts to 25 Nm (118 ft. lbs.).





2. Install the water pump cover.
^ Tighten the water pump cover to 10 Nm (89 inch lbs.)
3. Connect the park neutral switch.
4. Connect the EGR pipe to the water crossover and tighten to 25 Nm (18 ft. lbs.).
5. Install the EGR and tighten to 25 Nm (18 ft. lbs.).
6. Install the throttle body spacer.
7. Install the water pump belt.
8. Install the water pump belt tensioner.





9. Install the water pump drive cover.





10. Connect the lower radiator hose to the thermostat housing.





11. Connect the upper radiator hose to the housing.
12. Install the EGR pipe to the throttle body spacer.
13. Install the throttle body.
14. Install the throttle cable bracket.
15. Connect the shift selector cable.
16. Install the air cleaner assembly.





17. Install the fuel injector sight shield.
18. Refill the engine cooling system.