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