Step  | Action  | Value(s)  | Yes  | No  | 
|---|---|---|---|---|
1  | 
 Is there coolant visible on the ground?  | --  | ||
2  | Check the radiator for stains and wetness. Are there any stains or is there any wetness on the radiator?  | --  | ||
3  | Repair as necessary. Is there still a coolant loss?  | --  | System OK  | |
4  | Check the coolant hoses for stains and wetness. Are there any stains or is there any wetness on the coolant hoses?  | --  | ||
5  | Repair as necessary. Is there still a loss of coolant?  | --  | System OK  | |
6  | Check the coolant pump for stains and wetness. Are there any stains or is there any wetness on the coolant pump?  | --  | ||
7  | Repair as necessary. Is there still a loss of coolant?  | --  | System OK  | |
8  | Check the coolant recovery reservoir for leakage. Does the coolant overflow from the reservoir with the engine off?  | --  | System OK  | |
9  | Check the radiator cap for proper pressure retention. Refer to Cooling System Leak Testing . Does the radiator cap maintain the correct pressure?  | 103 kPa (15 psi)  | ||
10  | Check the temperature reading of the thermostat. Refer to Thermostat Diagnosis . Is the temperature too high?  | --  | Go to Engine Overheating .  | |
11  | Replace the radiator cap. Refer to Radiator Filler Cap Assembly . Is there still a coolant loss?  | --  | System OK  | |
12  | Check the coolant concentration. Is the coolant concentration too low?  | --  | System OK  | |
13  | Replace the coolant with the proper mixture of DEX-COOLâ„¢. Refer to Notice: When adding coolant, use DEX-COOL® coolant. If silicated coolant is added to the system, premature engine, heater core or radiator corrosion may result. In addition, the engine coolant will require change sooner-at 50 000 km (30,000 mi) or 24 months. .Is there still a coolant loss?  | --  | --  | System OK  |