Engine Systems
9 scored · 16%- A.1Verify driver's concern and/or road test vehicle; determine necessary action. Utilize service manuals, technical service bulletins (TSBs), and product information.
- A.2Inspect engine assembly for fuel, oil, coolant, and other leaks; determine necessary action.
- A.3Check for abnormal engine noises.
- A.4Inspect and replace pans and covers.
- A.5Change engine oil and filter; reset oil life monitor.
- A.6Inspect and test radiator, heater core, pressure cap, and coolant recovery system; determine needed repairs; perform cooling system pressure and dye tests.
- A.7Inspect, replace, and adjust drive belt(s), tensioner(s), and pulleys.
- A.8Inspect and replace engine cooling system and heater system hoses, pipes, and fittings.
- A.9Remove and replace engine thermostat and coolant bypass.
- A.10Inspect and test coolant; drain, flush, and refill cooling system with recommended coolant; bleed air as required.
- A.11Inspect and replace accessory belt driven water pumps.
- A.12Confirm fan operation (both electrical and mechanical); inspect fan clutch, fan shroud, and air dams.
- A.13Verify operation of engine-related warning indicators.
- A.14Perform air induction/throttle body service.
- A.15Inspect, service, or replace air filter(s), filter housing(s), and air intake system components.
- A.16Inspect and replace crankcase ventilation system components.
- A.17Inspect exhaust system for leaks; check hangers, brackets, and heat shields; determine needed repairs.
- A.18Retrieve and record diagnostic trouble codes (DTCs).
- A.19Remove and replace spark plugs; inspect secondary ignition components for wear or damage.
- A.20Inspect fuel tank, filler neck, fuel cap, lines, fittings, and hoses; replace external fuel filter.
- A.21Inspect canister, lines/hoses, and mechanical and electrical components of the evaporative emissions control system (EVAP).
- A.22Check and refill diesel exhaust fluid (DEF).