Inspection After Removal

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

To avoid the risk of injury to eyes and skin, when using caustic solutions, solvents, acids, or alkaline materials follow the manufacturer's recommendations for use and wear appropriate eye protection and protective clothing. Some of these materials are also flammable. To avoid risk of fire or burns, never smoke or allow sparks or flames (such as pilot lights, electrical switches, or welding equipment) in the work area. Avoid spilling onto a hot exhaust manifold which can cause a fire.

WARNING: When using compressed air for cleaning, to avoid the risk of personal injury from flying debris and dirt:

Do not exceed 207 kPa (2.111 kg/cm ² , 30psi).
Wear appropriate eye protection and protective clothing including gloves.

Clean the water pump with solvent. Dry with compressed air.

Courtesy of NISSAN NORTH AMERICA, INC.

Clean the o-ring sealing surface on the water pump housing.

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Inspect the sealing surface for damage.
If damage is present, replace the water pump.
Inspect the mounting and sealing locations on the front gear cover where the water pump is housed.
If damage is present, replace the front cover. Refer to Removal and Installation .

Inspect the impeller for cracks, missing blades, slippage on the shaft, and other types of damage.

Courtesy of NISSAN NORTH AMERICA, INC.
Inspect the water pump housing for cracks and/or other damage.
Replace the water pump if any damage or malfunction is found.
NOTE: If any damage to the impeller blades is found, make sure to inspect the front cover for damage.