Question about 2000 Chevrolet Malibu

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Hot alternator Alternator is very hot to the touch and sounds like it's moaning

Posted by Anonymous on

4 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 462 Answers

SOURCE: very hot alternator after just replacing and a high pitch squeel

THE ALTERNATOR CAN GO OUT DUE TO A WEAK OR BAD BATTERY CAUSING IT TO OVERCHARGE TRYING TO KEEP UP WITH DEMAND ON THE ELECTRICAL SYSTEM. IT WILL HAVE A HIGH PITCH NOISE WHILE CHARGING AT A HIGH RATE AND FINALLY IT TO WILL GO BAD.

HAVE THE BATTERY TESTED AND CHECK THE CHARGE RATE AT THE ALTERNATOR AND AT THE BATTERY.

Posted on Jun 02, 2009

elshaddai159
  • 1016 Answers

SOURCE: hot alternator

Hi,
There are 3 reasons this will be happening:

  1. There is a massive amount of current draw from the battery which is causing the alternator to run at a constant maximum charge rate. So look for any equipment you may have running on your truck - e.g large stereo system/amplifiers that they are not putting too much load on the battery.
  2. If you have and external regulator then the regulator needs to be replaced as it is causing the alternator to charge at maximum output.
  3. Make sure that if it is close to an exhaust manifold that the heat shield is back in place, heat coming from the exhaust manifold can also cause this problem.
Hope this helps you out, let me know how you get on.

Jason

Posted on Apr 04, 2010

tripletauto
  • 1450 Answers

SOURCE: changed spark plugs AND HAD

check your fuses most likely popped a fuse

Posted on Aug 17, 2011

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Very hot alternator after just replacing and a high pitch squeel


THE ALTERNATOR CAN GO OUT DUE TO A WEAK OR BAD BATTERY CAUSING IT TO OVERCHARGE TRYING TO KEEP UP WITH DEMAND ON THE ELECTRICAL SYSTEM. IT WILL HAVE A HIGH PITCH NOISE WHILE CHARGING AT A HIGH RATE AND FINALLY IT TO WILL GO BAD.

HAVE THE BATTERY TESTED AND CHECK THE CHARGE RATE AT THE ALTERNATOR AND AT THE BATTERY.

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