Warning: Refer to Safety Glasses Warning in the Preface section.
- Remove the old gasket material from the water pump sealing surfaces.
- Clean all the dirt and any debris from the water pump.
- Inspect the water pump for the following:
| • | Leakage or damage to the housing cover or gasket (1) |
| • | Excessive scratches or gouging to the gasket sealing surfaces (2) |
| • | Leakage from the water pump vent hole (3) |
| | A stain around the vent hole is acceptable. If leakage occurred (dripping) with the engine operating and the cooling system pressurized, then replace the water pump. |
| • | Damaged bolt hole threads (4) |
| • | Excessive side-to-side movement of the water pump shaft (5) |
| • | Leakage around the water inlet pipe (6) |
| • | Leakage around the heater hose pipe (7) |
| • | Restrictions within the internal coolant passages |
