Step  | Action  | Yes  | No  | 
|---|---|---|---|
1  | 
 Is the cooling system to the proper pressure?  | Go to Step 2  | Go to Step 3  | 
2  | 
 Is there an internal loss of coolant?  | Go to Step 3  | --  | 
3  | Repair the cooling system components as necessary. Is there still a loss of coolant?  | --  | System OK  |