Montero SR 4WD V6-3.5L SOHC (1997)
Water Pump: Testing and Inspection
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Check for water leakage. If water leaks from hole "A" seal, unit is faulty. Replace as an assembly.
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Check the seal unit for leaks, and replace the water pump assembly if necessary.
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Check each part for cracks, damage or wear, and replace the water pump assembly if necessary.
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Check the bearing for damage, abnormal noise and sluggish rotation, and replace the water pump assembly if necessary.