Question about 1994 Toyota Corolla

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How to test alternator is dead or not working? How to replace the alternator (step by step instruction) Is a rebuilt alternator good or do I need a brand new alternator (is all alternators sold are rebuilt ones) After replacing alternator, how to check the alternator belt tension is OK Thanks for your answers and support Vincent

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  • Toyota Master
  • 53,770 Answers

You take the vehicle to an accredited auto electrician and have them check the charge circuit and battery
could be the alternator or voltage regulator or problem battery
have them check the drive belt condition and tension
if the units have been rebuilt by reputable electrical company, they are a cheaper alternative to brand new and should have a 6 months or 12 month warranty with them

Posted on Sep 26, 2017

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Posted on Jan 02, 2017

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francis rivero

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SOURCE: 1994 toyota corolla alternator belt replacement

loosen the bolt that is holding the adjuster of the alternator. loosen the belt by pulling it and the alternator would slide in. remove and replace the belt.

do the reverse on installation.

remember to tighten all bolts of the adjuster and alternator after tightening the belt.

tnx 4 using fixya,

drcool

Posted on Sep 13, 2008

Ajkill

Anand Kumar

  • 2035 Answers

SOURCE: Alternater replacement

TO remove :

  1. With the ignition OFF, disconnect the negative battery cable.
  2. Remove the power steering pump. Refer to for the complete procedure.
  3. Remove the cruise control actuator but do not disconnect the actuator cable; simply move the unit out of the way with the cable attached.
  4. Unplug the multi-pin electrical connector.
  5. Remove the terminal nut and remove the wire from the terminal.
  6. Loosen the adjusting bolt; remove the alternator nut.
  7. Remove the belt from the alternator pulley.
  8. Remove the adjusting bolt, the lower through-bolt and the small support stay.
  9. Support the alternator. Remove the upper through-bolt and remove the alternator.
  10. If desired, remove the alternator mounting brackets.
  11. If the alternator brackets were removed, reinstall them. Coat the bolts with a thread sealer or liquid thread lock. Install the bracket bolts and tighten them to 36 ft. lbs. (50 Nm).
  12. Fit the alternator into place. Install the upper through-bolt and tighten it to 33 ft. lbs. (45 Nm).
  13. Install the small stay, the lower through-bolt and the adjusting bolt. Make certain the adjusting bolt is properly installed.
  14. Install the belt. Install the alternator nut. Adjust the belt tension. Tighten the alternator nut to 19 ft. lbs. (26 Nm).
  15. Connect the wire to the terminal and tighten the nut.
  16. Engage the multi-pin connector to the alternator.
  17. Install the cruise control actuator.
  18. Install the power steering pump.
  19. Connect the negative battery cable.15463b8.jpg

Posted on Oct 14, 2008

SOURCE: how to change an alternator in 1983 honda accord

If your radio is coded, make sure you have the code and know how to re-enter the code in the radio.

  • Remove both battery cables and secure them away from the battery terminals.
  • Detach the E, F and N plug from the the alternator.
  • Slacken the alternator mounting bolts and move the alternator forward towards the engine.
  • Remove the drive belt.
  • Now undo all the mounting bolts and lift the alternator clear of the vehicle.
Re-fitting is just the reversal of the removal.

Posted on Dec 01, 2008

karenrao

  • 1 Answer

SOURCE: Brand new battery and alternator

Possible short in electrical system....Something is discharging this battery. Have you recently installed a sound system? That where my short was.

Posted on Dec 20, 2008

Anonymous

  • 8 Answers

SOURCE: Hyundai alternator has no output is there a fuse?

Is the regulator built into the Alternator on this vehicle??

If the regulator is messed up - it can keep the alternator from producing output.  I am not familiar with this particular vehicle.

Airframe and PowerPlant mechanic.  I am familiar with principles, and how stuff works...  Clarify with the 'parts house' what they mean by the alternator being OK - while producing 0 output.  A lot of vehicles now have the regulator built into the Alternator...

A Hanes or Chilton's book would probably be able to help, and since the car is only 5 years old - see if you can pick up a Factory Repair Manual, and diagnosis troubleshooting flow chart.  These items are worth gold in fixing specific vehicles.

You could also subscribe to: alldatadiy.com    This is another technical resource base.  Hope this helps.

And: Yes, there are fuses.  A fusible link would probably mean the car wouldn't run, and/or a direct bad short.  A fuse could have inadvertently blown - look around.  Get a book.  Electrical stuff needs a roadmap.

Posted on Apr 19, 2009

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1. Clean the positive and negative battery terminals to ensure a good connection with the tester's clamps.
2. Connect the positive and negative clamps to the appropriate battery terminals. The clamps must make firm contact with the battery terminals or the test results will be inaccurate or the tester may not work at all.
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Hope helps (remember rated this).
  • Step 2 Connect the positive and negative clamps to the appropriate battery terminals. The clamps must make firm contact with the battery terminals or the test results will be inaccurate or the tester may not work at all.
  • Step 3 Turn the tester on and choose the option for "full charging system test." This will test your battery, starter and alternator and provide the most accurate picture of the problem.
  • Step 4 Follow the directions on the tester's screen. These instructions will include cranking the vehicle after the battery test is performed, holding the engine at a certain RPM range and turning on certain accessories.
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  • Read more: How to Test a Car's Alternator | eHow.com http://www.ehow.com/how_2079784_test-cars-alternator.html#ixzz0spTYveGJ

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