For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 |

1. Check for an external coolant leak.
2. Perform a pressure or dye test on the cooling system. Refer to Cooling System Leak Testing .

Is the cooling system to the proper pressure?

--

Go to Step 2

Go to Step 3

2 | Check for an internal coolant leak. Do a cylinder leak test. Refer to Engine Mechanical. Is there an internal loss of coolant? | -- | Go to Step 3 | --
3 | Repair the cooling system components as necessary. Is the repair complete? | -- | System OK | --