Water Crossover Replacement

Water Crossover Replacement

Removal Procedure





1. Disconnect the negative battery cable.
2. Remove the battery.
3. Drain the engine coolant.
4. Disconnect the engine coolant temperature (ECT) sensor electrical connector.
5. Remove the ECT sensor.
6. Remove the radiator inlet and outlet hoses from the crossover pipe.
7. Disconnect the wiring harness ground terminal from the crossover pipe.





8. Remove the thermostat housing and thermostat from the crossover pipe.





9. Remove the crossover pipe bolts and crossover pipe.

Installation Procedure





1. Clean and dry the area before installing new seals.
2. Install the crossover pipe.

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

Install the crossover pipe bolts.
Tighten the crossover pipe bolts to 22 Nm (16 ft. lbs.).
4. Install the thermostat and thermostat housing.
Tighten the thermostat housing bolts to 12 Nm (106 inch lbs.).
5. Connect the coolant hoses at the crossover pipe.
6. Connect the wiring harness ground terminal to the crossover pipe.
Tighten the nut to 12 Nm (106 inch lbs.).





7. Apply thread sealant (Saturn P/N 21485277) Loctite(tm) 242 threadlocker, or equivalent, to sensor threads.
8. Install the ECT sensor.
Tighten the ECT sensor to 18 Nm (13 ft. lbs.).
9. Connect the ECT sensor harness connector. Push in the connector until a click is heard, then pull back to confirm a positive engagement.
10. Install the battery.
11. Connect the negative battery cable.
Tighten the battery terminal bolt to 17 Nm (13 ft. lbs.).
12. Fill the coolant.