G37 Coupe V6-3.7L (VQ37VHR) (2008)
Water Pump: Service and Repair
Removal and Installation
CO-19 Exploded View
CAUTION:
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When removing water pump assembly, be careful not to get engine coolant on drive belts.
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Water pump cannot be disassembled and should be replaced as a unit.
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After installing water pump, connect hose and clamp securely, then check for leaks using the radiator cap tester (commercial service tool)
and the radiator cap tester adapter [SST: EG17650301 (J33984-A)].
REMOVAL
1. Remove engine cover.
2. Release the fuel pressure. Refer to EC-601, "Inspection".
3. Disconnect the battery cable from the negative terminal.
4. Remove air duct and air cleaner case assembly (RH and LH).
5. Remove reservoir tank.
6. Separate engine harness removing their brackets from front timing chain case.
7. Remove engine undercover with power tool.
8. Drain engine oil.
CAUTION:
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Perform this step when the engine is cold.
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Never spill engine oil on drive belts.
9. Drain engine coolant from radiator.
CAUTION:
^
Perform this step when the engine is cold.
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Never spill engine coolant on drive belts.
10. Remove cooling fan assembly.
11. Remove radiator hose (upper and lower).
12. Remove front timing chain case.
13. Remove timing chain tensioner (primary) as follows: