Operation CHARM: Car repair manuals for everyone.

Engine Coolant Crossover Pipe Replacement




Engine Coolant Crossover Pipe Replacement

Removal Procedure




1. Remove the intake manifold cover. Refer to Fuel Injector Sight Shield Replacement.
2. Remove the generator. Refer to Generator Replacement (LY7) Generator Replacement (LY7)Generator Replacement (LE5/LE9) Service and RepairGenerator Replacement (LZ4) Generator Replacement (LZ4).
3. Remove the drive belt idler pulleys. Refer to Drive Belt Idler Pulley Replacement Service and Repair.
4. Remove the power steering pump. Refer to Power Steering Pump Replacement.
5. Reposition the radiator surge tank inlet hose clamp (1) at the surge tank inlet pipe.
6. Remove the radiator surge tank inlet hose from the inlet pipe. Position the hose out of the way.




7. Remove the radiator surge tank pipe bolts (2).
8. Remove the radiator surge tank pipe from the crossover pipe.




9. Reposition the radiator inlet hose clamp at the crossover pipe.
10. Remove the radiator inlet hose from the crossover pipe.




11. Reposition the thermal bypass hose clamp at the crossover pipe.
12. Remove the thermal bypass hose from the crossover pipe.




13. Remove the coolant crossover pipe bolts (1-4).
14. Remove the coolant crossover pipe.

Installation Procedure




1. Position the coolant crossover pipe to the cylinder heads.
Caution: Refer to Fastener Caution Fastener Caution.

2. Install the coolant crossover pipe bolts (1-4) and tighten to 50 Nm (37 lb ft).




3. Install the thermal bypass hose to the crossover pipe.
4. Position the thermal bypass hose clamp at the crossover pipe.




5. Install the radiator inlet hose to the crossover pipe.
6. Position the radiator inlet hose clamp at the crossover pipe.




7. Install the radiator surge tank pipe to the crossover pipe.
8. Install the radiator surge tank pipe bolts (2) and tighten to 10 Nm (89 lb in).




9. Install the radiator surge tank inlet hose to the inlet pipe.
10. Position the radiator surge tank inlet hose clamp (1) at the surge tank inlet pipe.
11. Install the power steering pump. Refer to Power Steering Pump Replacement.
12. Install the drive belt idler pulleys. Refer to Drive Belt Idler Pulley Replacement Service and Repair.
13. Install the generator. Refer to Generator Replacement (LY7) Generator Replacement (LY7)Generator Replacement (LE5/LE9) Service and RepairGenerator Replacement (LZ4) Generator Replacement (LZ4).
14. Install the intake manifold cover. Refer to Fuel Injector Sight Shield Replacement.