Step | Action | Value | Yes | No |
|---|---|---|---|---|
1 | Check for an incorrect or faulty radiator filler cap. Refer to Pressure Cap Testing . Was an incorrect cap installed, or is the cap faulty? | -- | ||
2 | Replace the filler cap. Is there still a coolant loss? | 103 kPa (15 psi) | 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? | -- | ||
4 | Replace the reservoir or the hose. 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 loose or damaged? | -- | ||
6 | Re-seat the hoses and clamps. If necessary, replace the hoses and the clamps. Refer to Radiator Inlet Hose Replacement or Radiator Outlet Hose Replacement . Is there still a coolant loss? | -- | 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 coolant loss? | -- | System OK | |
9 | Check for a seal leak at the water pump. Is there a leak at the water pump seal? | -- | ||
10 | Replace the water pump. Refer to Water Pump Replacement . Is there still a coolant loss? | -- | System OK | |
11 | Check if the cylinder head bolts are tightened to specification. Refer to Fastener Tightening Specifications in Engine Mechanical-3.8L. Are the cylinder head bolts tightened to the proper specification? | -- | ||
12 | Tighten the cylinder head bolts to the proper specification. If necessary, replace the cylinder head gasket. Is there still a coolant loss? | -- | System OK | |
13 | Check for any coolant leaks at the radiator. Refer to Cooling System Leak Testing . Does the radiator have any leaks? | -- | ||
14 |
Refer to Radiator Replacement . Is there still a coolant loss? | -- | System OK | |
15 | Check the following for leaks:
Are any leaks occurring at any of these places? | -- | 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 |
