Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Engine Overheats




Engine overheats

Check the coolant level Testing and Inspection.

Check for any coolant leakage (from gaskets, hoses, O-rings, etc.).

Check for dirt, leaves, or insects on radiator and A/C condenser.

Check for deteriorated coolant.

Check for damaged or deformed fan shroud.

Check that the fan motors are operating properly (air should be blowing toward the engine).

Inspect the fan motors Testing and Inspection or fan relays Testing and Inspection.

Check the radiator cap Testing and Inspection.

Check the thermostat Testing and Inspection.

Inspect the water pump Testing and Inspection.

Check for plugged or deteriorated radiator hoses.

Check for plugged heater core of hoses.

Check for a damaged cylinder head gasket.

Also check for

Check the radiator and A/C condenser fan are operating properly.