Altima L4-2.5L (QR25DE) Hybrid (2007)
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Visually check that there is no significant dirt or rusting on the water pump body and vane.
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Check that there is no looseness in the vane shaft, and that it turns smoothly when rotated by hand.
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If the water pump does not perform properly, replace the water pump assembly.
INSTALLATION
Installation is in the reverse order of removal.
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When inserting water pipe end to cylinder block, apply a neutral detergent to O-ring. Then insert it immediately.
INSPECTION AFTER INSTALLATION
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After installing the water pump, check for leaks using the radiator cap tester.