Step  | Action  | Value  | Yes  | No  | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
1  | Check for an incorrect or damaged radiator filler cap. Was the incorrect radiator cap installed or is the radiator cap damaged?  | 103 kPa (15 psi)  | ||||||||
2  | Do a cap pressure test. Refer to Pressure Cap Testing . If necessary, replace the cap. Is there still a loss of coolant?  | --  | System OK  | |||||||
3  | Check for a leaking coolant recovery reservoir or for a loose or damaged reservoir hose. Is there a leak in the reservoir or is the reservoir hose damaged?  | --  | ||||||||
4  | Replace the coolant recovery reservoir. Refer to Coolant Recovery Reservoir Replacement . Is there still a loss of coolant?  | --  | System OK  | |||||||
5  | Check for any loose or damaged radiator hoses and connections. Are any radiator hoses or hose connections damaged?  | --  | ||||||||
6  | Reseat the hoses and clamps. If necessary, replace the hoses and the clamps. Is there still a loss of coolant?  | --  | System OK  | |||||||
7  | Check for a water pump gasket leak. Is there a leak at the water pump gasket?  | --  | ||||||||
8  | Replace the water pump gasket. Refer to Water Pump Replacement . Is there still a loss of coolant?  | --  | System OK  | |||||||
9  | Check for a water pump seal leak. Is there a leak at the water pump seal?  | --  | ||||||||
10  | Replace the water pump. Refer to Water Pump Replacement or Water Pump Replacement . Is there still a loss of coolant?  | --  | System OK  | |||||||
11  | Check if the cylinder head bolts are tightened to specification. Refer to Fastener Tightening Specifications in Engine Mechanical. Are the cylinder head bolts tightened to specifications?  | --  | ||||||||
12  | Tighten the cylinder head bolts to specifications. Refer to Fastener Tightening Specifications in Engine Mechanical. If necessary, replace the cylinder head gasket. Is there still a loss of coolant?  | --  | System OK  | |||||||
13  | Inspect the radiator and check for any coolant leaks. Is the radiator leaking coolant?  | --  | ||||||||
14  | Replace the radiator. Refer to Radiator Replacement . Is there still a loss of coolant?  | --  | System OK  | |||||||
15  | Check the following for leaks: 
 
 
 Are any coolant leaks occurring at these locations?  | --  | System OK  | |||||||
16  | Make the necessary repairs or replace the components as necessary in order to repair the leak. Is there still a loss of coolant?  | --  | --  | System OK  |