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Auto Service Tech Tips

These Auto Service Tech Tips are provided for all eight areas of the ASE certification test courtesy of autoclassroom.com, an online training resource for automotive instructors, students and technicians. Submit your tip.

Engine Repair
  • The hose trick
  • The foot powder spray trick
  • A picture is worth a thousand words
  • Use the proper disassembly procedure
  • The wax trick

    Automatic Transmission/Transaxle
  • Change the bolts and washers
  • The paper towel test
  • Smooth is in -- rough is out
  • What's leaking?
  • Quick and easy automatic transmission/transaxle diagnosis

    Manual Drive Train and Axles
  • Shim it or replace it
  • Use a centrifugal force pressure plate
  • Manual transmission service tips
  • Repair oil leaks before replacing the clutch
  • The noise test

    Suspension and Steering
  • Play it safe: Disconnect the air bag
  • The hydro boost accumulator test
  • The killer Bs
  • Jounce/rebound test
  • Caster angle tire wear

  • Brakes
  • Two quick checks
  • The one drip per second test
  • "Competitively priced" brakes
  • Too much is bad
  • The brake pedal depressor trick

    Electrical/Electronic Systems
  • Open is a four-letter word
  • A capacitor makes an excellent sound system noise filter
  • A cracked magnet becomes two magnets
  • Burn in to be sure
  • Electronic components do not like three (four) things

    Heating and Air Conditioning
  • Check the radiator, not the overflow container
  • The difference between heat and temperature
  • Broken condenser line: Check the engine mounts
  • Hot/cold/hot/cold heater diagnosis
  • The hand test

    Engine Performance
  • Use a hydrocarbon detector
  • Engine temperature and exhaust emissions
  • Check the hose
  • Check power and ground before condemning a sensor
  • The tap test




  • 2004 Automotive Technology Titles


    Engine Repair
    Automatic Transmission/Transaxle
    Manual Drive Train and Axles
    Suspension and Steering
    Brakes
    Electrical/Electronic
    Heating and Air Conditioning
    Engine Performance
    Advanced Engine Performance


    Automotive Principles
    Auto Body Repair
    Diesel Principles
    ASE Certification


    Automotive Service Books

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