G35 Sedan 2WD V6-3.5L (VQ35DE) (2005)
b. Screw M8 bolts [pitch: 1.25 mm (0.049 inch) length: approximately 50 mm (1.97 inch)] into water pumps upper and lower mounting bolt
holes until they reach rear timing chain case. Then, alternately tighten each bolt for a half turn, and pull out water pump.
CAUTION:
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Pull straight out while preventing vane from contacting socket in installation area.
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Remove water pump without causing sprocket to contact timing chain.
c. Remove M8 bolts and O-rings from water pump.
CAUTION: Do not disassemble water pump.
INSPECTION AFTER REMOVAL
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Check for badly rusted or corroded water pump body assembly.
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Check for rough operation due to excessive end play.
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Replace water pump, if necessary.
INSTALLATION
1. Install new O-rings to water pump.
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Apply engine oil and engine coolant to O-rings as shown in the figure.
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Locate the O-ring with white paint mark to engine front side.
2. Install water pump.