Step  | Action  | Value  | Yes  | No  | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
1  | Check for an incorrect or faulty radiator filler cap. Was an incorrect cap installed, or is the cap faulty?  | --  | Go to Step 2  | Go to Step 3  | ||||||||
2  | Replace the filler cap. Is there still a coolant loss?  | 103 kPa (15 psi)  | Go to Step 3  | System OK  | ||||||||
3  | Check for a leaking coolant recovery reservoir or reservoir hose. Is the coolant recovery reservoir leaking, or is the reservoir hose leaking?  | --  | Go to Step 4  | Go to Step 5  | ||||||||
4  | Replace the reservoir or the hose. Refer to Coolant Recovery Reservoir Replacement . Is there still a loss of coolant?  | --  | Go to Step 5  | System OK  | ||||||||
5  | Check for any loose or damaged radiator hoses and connections. Are any radiator hoses loose or damaged?  | --  | Go to Step 6  | Go to Step 7  | ||||||||
6  | Re-seat the hoses and clamps. If necessary, replace the hoses and the clamps. Refer to Radiator Inlet Hose Replacement as required. Is there still a coolant loss?  | --  | Go to Step 7  | System OK  | ||||||||
7  | Check for a water pump gasket leak. Is there a leak at the water pump gasket?  | --  | Go to Step 8  | Go to Step 9  | ||||||||
8  | Replace the water pump gasket. Refer to Water Pump Replacement . Is there still a coolant loss?  | --  | Go to Step 9  | System OK  | ||||||||
9  | Check for a seal leak at the water pump. Is there a leak at the water pump seal?  | --  | Go to Step 10  | Go to Step 11  | ||||||||
10  | Replace the water pump. Refer to Water Pump Replacement . Is there still a coolant loss?  | --  | Go to Step 11  | System OK  | ||||||||
11  | 
 
 Are the cylinder head bolts tightened to the proper specification?  | --  | Go to Step 13  | Go to Step 12  | ||||||||
12  | Tighten the cylinder head bolts to the proper specification. If necessary, replace the cylinder head gasket. Is there still a coolant loss?  | --  | Go to Step 13  | System OK  | ||||||||
13  | Check for any coolant leaks at the radiator. Does the radiator have any leaks?  | --  | Go to Step 14  | Go to Step 15  | ||||||||
14  | 
 Is there still a coolant loss?  | --  | Go to Step 15  | System OK  | ||||||||
15  | Check the following for leaks: 
 
 
 
 Are any leaks occurring at any of these places?  | --  | Go to Step 16  | System OK  | ||||||||
16  | Make the necessary repairs or replace the components as necessary in order to repair the leak. Is there still a coolant loss?  | --  | --  | System OK  |