Step | Action | Value | Yes | No |
|---|---|---|---|---|
1 | Check for a leaking radiator. Refer to Cooling System Leak Testing . Is the radiator leaking? | -- | ||
2 | Repair or install new parts as necessary. Is the repair complete? | -- | System OK | -- |
3 | Check for a leaking heater core. Refer to Cooling System Leak Testing . Is the heater core leaking? | -- | ||
4 | Check for a faulty radiator fill cap. Refer to Pressure Cap Testing . Is the cap operating properly? | -- | ||
5 | Check for a leaking coolant recovery hose, a cranked recovery reservoir. Refer to Coolant Recovery Reservoir Replacement . Is the reservoir or the hose leaking? | -- | ||
6 | Check for any loose or damaged hoses or connections. Are any hoses damaged or are any hose connections leaking? | -- | ||
7 | Check for a cracked thermostat housing or a leaking thermostat seal. Refer to Engine Coolant Thermostat Replacement . Is the thermostat housing cracked or is there a seal leak? | -- | ||
8 | Check for a cracked water pump or a leaking water pump gasket. Is the water pump cracked or is there a leaking gasket? | -- | ||
9 | Check for a leaking water pump driveshaft seal (5.7L Only). Is the water pump shaft seal leaking? | -- | ||
10 | Replace the water pump. Refer to Water Pump Replacement . Is the repair complete? | -- | System OK | |
11 | Check for a leaking engine block coolant drain hole plug or knock sensor. Are any drain plugs or knock sensors leaking? | -- | ||
12 | Check for any leaking cylinder head core plugs. Are the cylinder head core plugs leaking? | -- | ||
13 | Check for a leaking cylinder head gasket(s), vent(s) or a cracked cylinder head. Is the cylinder head gasket leaking or is the cylinder head cracked? | -- | ||
14 | Check for a cracked throttle body or a gasket leak. Is the throttle body cracked or is there a gasket leak? | -- | ||
15 | Check for a cracked engine block. Is the engine block cracked? | -- | ||
16 | Check for any porous castings. Are the castings OK? | -- | System OK | -- |
