Faulty cylinder head gaskets and/or cracking or other damage to the cylinder heads and engine block cooling system passages
Refer to
Diagnostic Starting Point - Engine Cooling
.
Coolant consumption may or may not cause the engine to overheat.
|
- Inspect for spark plugs saturated by coolant. Refer to
Spark Plug Inspection
.
- Perform a cylinder leak down test. Refer to
Cylinder Leakage Test
.
- Inspect the cylinder heads and engine block for damage to the coolant passages and/or a faulty head gasket. Refer to
Coolant in Combustion Chamber
.
- Repair or replace, as required.
|