Pathfinder 2WD V6-4.0L (VQ40DE) (2009)
d. Turn crankshaft pulley clockwise so that timing chain on the timing chain tensioner (primary) side is loose.
e. Remove bolts and remove timing chain tensioner (primary).
CAUTION:
Be careful not to drop bolts inside timing chain case.
10. Remove water pump as follows:
a. Remove three water pump bolts. Secure a gap between water pump gear and timing chain, by turning crankshaft pulley counterclockwise until
timing chain looseness on water pump sprocket becomes maximum.
b. Screw M8 bolts [pitch: 1.25 mm (0.049 in) length: approx. 50 mm (1.97 in)] into water pumps upper and lower bolt holes until they reach
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.
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Do not spill engine coolant into timing chain case.
c. Remove M8 bolts and O-rings from water pump.
CAUTION:
Do not disassemble water pump.