Step  | Action  | Value  | Yes  | No  | 
|---|---|---|---|---|
1  | 
 Is there coolant visible on the ground?  | --  | ||
2  | Inspect the cooling system for proper pressure retention. Does the cooling system maintain the correct pressure?  | --  | ||
3  | Inspect for a leaking radiator. Does the radiator leak?  | --  | ||
4  | Repair or replace the radiator. Refer to Radiator Replacement . Is there still a loss of coolant?  | --  | System OK  | |
5  | Inspect for a leaking coolant recovery reservoir or surge tank. Is there a leak in the reservoir or surge tank?  | --  | ||
6  | Replace the coolant recovery reservoir or surge tank. Refer to one of the following procedures: Is there still a loss of coolant?  | --  | System OK  | |
7  | Inspect for any loose or damaged radiator hoses or connections. Are any radiator hoses or hose connections damaged?  | --  | ||
8  | Reseat the clamps and hoses. If needed, replace the hoses and the clamps. Refer to Radiator Hose Replacement . Is there still a loss of coolant?  | --  | System OK  | |
9  | Inspect for a water pump gasket leak. Is there a leak at the water pump gasket?  | --  | ||
10  | Replace the water pump gasket. Refer to Water Pump Replacement . Is there still a loss of coolant?  | --  | System OK  | |
11  | Inspect for a water pump seal leak. Is there a leak at the water pump seal?  | --  | ||
12  | Replace the water pump. Refer to Water Pump Replacement . Is there still a loss of coolant?  | --  | System OK  | |
13  | Inspect the radiator filler cap. Refer to Pressure Cap Description . Is the radiator filler cap damaged?  | --  | ||
14  | Replace the radiator filler cap. Is there still a loss of coolant?  | --  | System OK  | |
15  | Inspect cylinder head gasket for leaks. Is the cylinder head gasket leaking?  | --  | ||
16  | Replace the cylinder head gasket. Refer to the appropriate procedure: Is there still a loss of coolant?  | --  | System OK  | |
17  | Inspect the cylinder head and the cylinder block. Is the cylinder head or cylinder block cracked?  | --  | ||
18  | Replace or resurface the cylinder head or the cylinder block as needed. Refer to the appropriate procedure: Is there still a loss of coolant?  | --  | System OK  | |
19  | Inspect for a leaking heater core. Is the heater core leaking?  | --  | System OK  | |
20  | Repair or replace the components as needed in order to repair the leak. Is there still a loss of coolant?  | --  | --  | System OK  |