Identify lubrication and cooling system components and configurations.

Lubrication & Cooling System Components

Microsoft Word version

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

Engine Oil Dipstick Test

Microsoft Word version

Fillable PDF version

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.

Radiator Testing with an Infrared Pyrometer

Microsoft Word version

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

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

Test and Replace Coolant

Microsoft Word version

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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.

Thermostat Replacement

Microsoft Word version

Fillable PDF version

Remove and replace radiator.

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

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.

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