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Identify lubrication and cooling system components and configurations.

Engine Cooling System Identification

Microsoft Word version

Fillable PDF version

Engine Lubrication Specifications

Microsoft Word version

Fillable PDF version

Lubrication & Cooling System Components

Microsoft Word version

Fillable PDF version

Perform engine oil and filter change; use proper fluid type per manufacturer specification; reset maintenance reminder as required.

Perform cooling system pressure and dye tests to identify leaks; check coolant condition and level; inspect and test radiator, pressure cap, coolant recovery tank, heater core, gallery plugs: determine needed action.

Engine Cooling System Inspection

Microsoft Word version

Fillable PDF version

Identify causes of engine overheating.

Identify the Cause of Engine Overheating

Microsoft Word version

Fillable PDF version

Radiator Testing with an Infrared Pyrometer

Microsoft Word version

Fillable PDF version

Inspect, replace, and/or adjust drive belts, tensioners, and pulleys; check pulley and belt alignment.

Accessory Drive Belt Inspection

Microsoft Word version

Fillable PDF version

Inspect and test coolant; drain and recover coolant; flush and refill cooling system; use proper fluid per manufacturer specifications; bleed air as required.

Identify types of water pumps (belt driven, chain driven, and electric). Inspect, remove, and replace water pumps.

Remove, inspect, and replace thermostat and gasket/seal.

Remove and replace radiator.

Inspect and test fan(s), fan clutch (electrical or mechanical), fan shroud, and air dams; determine needed action.

Engine Fan Inspection and Testing

Microsoft Word version

Fillable PDF version

Cooling Fan and Related Inspections

Microsoft Word version

Fillable PDF version

Perform oil pressure tests; determine needed action.

Inspect auxiliary coolers; determine needed action.

Inspect, test, and replace oil temperature and pressure switches and sensors.

Oil Temperature and Pressure Switches

Microsoft Word version

Fillable PDF version

Inspect oil pump gears or rotors, housing, pressure relief devices, and pump drive; perform needed action.