For 1990-2009 cars

### Cleaning Procedure

1. Remove the old gasket material from the water pump sealing surfaces.
2. Clean all excess dirt and debris from the water pump housing.

### Inspection Procedure

1. Rotate the water pump hub (2).

Note: The water pump hub and impeller should turn straight and smoothly. If the hub wobbles, is noisy, or feels rough when rotated, replace the water pump.

2. Inspect the exterior of the water pump for the following:

· Damage to the water pump bolt holes (1)

· Damage to the water pump gasket sealing surface (3)

· Damage, corrosion or restrictions

3. Repair or replace the water pump as necessary.