Loss of Coolant. Pontiac Sun Runner - 4WD (Canada) 1998

For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Inspect the radiator. Is the radiator leaking? | -- | Repair the radiator as necessary. | Go to Step 2
2 | Check the radiator cap. Is the radiator cap faulty? | -- | Perform a radiator cap pressure test. | Go to Step 3
3 | Check the coolant reservoir and the hose. Is the coolant recovery reservoir or hose leaking? | -- | Replace the reservoir or hose. | Go to Step 4
4 | Check the radiator, heater hoses and connections. Are the heater hoses, connections or radiator loose or damaged? | -- | Make repairs or replace components as necessary to correct the leak. | Go to Step 5
5 | Inspect the coolant pump seal. Is the coolant pump seal leaking? | -- | Replace the coolant pump. | Go to Step 6
6 | Inspect the coolant pump gasket. Is the coolant pump gasket leaking? | -- | Replace the gasket. | --