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AUT 112

AUT 112. Engine Engine Removal. Engine Removal Tips. Clean before beginning removal. Have the tools and equipment before you begin. Always follow removal procedures as specified by the manufacturer Adhere to all safety guidelines

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AUT 112

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  1. AUT 112 Engine Engine Removal

  2. Engine Removal Tips • Clean before beginning removal. • Have the tools and equipment before you begin. • Always follow removal procedures as specified by the manufacturer • Adhere to all safety guidelines • Use a digital camera or camcorder to record various locations and connections

  3. Engine Removal Tips • Clean before beginning removal. • Have the tools and equipment before you begin. • Always follow removal procedures as specified by the manufacturer • Adhere to all safety guidelines • Use a digital camera or camcorder to record various locations and connections.

  4. Engine Removal Tips • Clean before beginning removal. • Have the tools and equipment before you begin. • Always follow removal procedures as specified by the manufacturer • Adhere to all safety guidelines • Use a digital camera or camcorder to record various locations and connections.

  5. Engine Removal Tips • Clean before beginning removal. • Have the tools and equipment before you begin. • Always follow removal procedures as specified by the manufacturer • Adhere to all safety guidelines • Use a digital camera or camcorder to record various locations and connections.

  6. Engine Removal Tips • Clean before beginning removal. • Have the tools and equipment before you begin. • Always follow removal procedures as specified by the manufacturer • Adhere to all safety guidelines • Use a digital camera or camcorder to record various locations and connections.

  7. Engine Removal Tips • Clean before beginning removal. • Have the tools and equipment before you begin. • Always follow removal procedures as specified by the manufacturer • Adhere to all safety guidelines • Use a digital camera or camcorder to record various locations and connections.

  8. General Removal Procedures • Install a battery memory saver. • Remove hood and place in safe place. • Drain fluids and remove oil filter. • Disconnect linkages and electrical connections • Label as necessary. • Remove air intake components.

  9. General Removal Procedures • Disconnect and close off fuel lines. • Label and disconnect vacuum lines. • Remove drive belts and set power steering pump and air conditioning compressor aside. • Disconnect heater and radiator hoses. • Disconnect exhaust pipe.

  10. FWD Engine Removal • Many FWD vehicles require the engine and transmission to be removed together as an assembly. • Some FWD engines can be removed from above. • A transaxle support is necessary if the engine is removed from above.

  11. Engine/Transaxle Support Fixture

  12. Separating lower Ball Joint

  13. FWD Engine Removal (cont’d) • Remove the axle shafts from the transaxle. • Axles can usually be pried away from transaxle once the steering knuckle is separated from the lower control arm. • If possible, leave axles attached to hub assemblies.

  14. Alternate Method of Supporting Transaxle

  15. RWD Engine Removal • The engine is usually removed from above through the hood opening. • After all connections and components are removed, separate the engine from the transmission. • Remove motor mount connections and remove the engine. • Always support the transmission.

  16. Engine Preparation • Once removed, mount securely to an engine stand. • Slowly disassemble and visually inspect the parts. • Look for excessive wear on moving parts. • Always follow the service procedures for proper disassembly and cleaning.

  17. Cleaning - Further • After disassembly parts should be thoroughly inspected and cleaned. • The cleaning method depends on the component and the equipment available. • Incorrect cleaning methods or agents can harm or destroy engine parts.

  18. Types of Soil Contaminants • Water-Soluble Soils • Include dirt, dust, and mud • Organic Soils • Examples are oil, grease, and carbon • Rust • Results from a chemical reaction when iron and steel are exposed to oxygen and moisture • Scale • Results from minerals that have separated from water

  19. Three Basic Cleaning Processes • Chemical Cleaning • Uses a chemical reaction • Thermal Cleaning • Relies on heat to bake off soil • Abrasive Cleaners • Are usually used in conjunction with other cleaning processes

  20. Chemical Cleaning • Used to remove dirt, grease, scale, paint, and/or rust. • Always wear the proper PPE when working with chemical cleaning agents. • Hydrocarbon solvents require special handling and disposal. • Some cleaners are water-based.

  21. Steam or Pressure Washing • Good for removing soils and grease • Be careful to avoid penetrating seals, boots and other protective shields.

  22. Abrasive Cleaners • Used in conjunction with other cleaning equipment. • Shot and grit blasters used on parts that will later be machined. • Parts tumblers used on small parts. • Vibration cleaners or shakers use vibrating tub with abrasives to scrub parts. • Wire brush or abrasive cloth/paper

  23. Alternative Cleaning Methods • Ultrasonic cleaners uses high-frequency sound waves to clean parts. • Citrus chemicals are safer to handle and easier to dispose of. • Salt baths use high-temperature molten salt to dissolve carbon, grease, oil, dirt, paint, and some gasket materials.

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