M45 V8-4.5L (VK45DE) (2006)
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Visually check that there is no significant dirt or rusting on water pump body and vane.
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Make sure there is no looseness in vane shaft, and that it turns smoothly when rotated by hand.
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If anything is found, replace water pump.
INSTALLATION
Installation is the reverse order of removal.
INSPECTION AFTER INSTALLATION
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Check for leaks of engine coolant using radiator cap tester adapter [SST: EG17650301 (J-33984-A)] and radiator cap tester (commercial service
tool).
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Start and warm up engine. Visually check if there is no leaks of engine coolant.