How to test a car alternator | AUTODOC tips

How to change the alternator on a car – replacement tutorial
Required tools:
Combination spanner
Impact socket
Ratchet wrench
Fender cover
Please note!
  • Failing to get your alternator checked in time can result in its malfunctioning and a constantly undercharged or fully discharged battery which eventually fails. If any of these happen, it will be impossible to start your car in the normal way.
  • All work must be carried out with the engine switched off and cooled down.
  • Do not disconnect the battery terminals while the engine is running.
  • Insulate the battery terminals to avoid short circuits.
  1. 1.
    How to change Generator - free PDF and video manuals
    Disconnect the negative terminal of the battery.
  2. 2.
    Remove all components that obstruct access to the alternator and its belt-tensioning mechanism.
    How to replace Generator - step-by-step manuals and video guides
    Loosen the tension of the alternator drive belt.
  3. 4.
    Alternators replacement on your car: free workshop manuals
    Remove the alternator drive belt.
  4. 5.
    Changing Generator by yourself
    Disconnect the wiring after detaching its retainers.
  5. 6.
    How to remove Alternators - online easy-to-follow instructions
    Unscrew the alternator fasteners.
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