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WHAT IS THE LIKELY CAUSED OF A LOUD SQUEALING NOISE COMING FROM THE ALTERNATOR SERPENTINE DRIVE BELT SYSTEM ? IS IT THE ALTERNATOR OR SERPENTINE BELT?

TEMPERATURE -8 DEGREES CENTIGRADE DROVE VEHICLE FOR 1 HOUR RESTED FOR 45 MINUTES START VEHICLE EXPERIENCE LOUD SQUEALING NOISE COMING FROM ALTERNATOR SYSTEM DROVE VEHICLE FOR 1 HOUR DURING THAT TIME BATTERY DASH LIGHT CAME ON . STARTED VEHICLE NEXT DAY BATTERY LIGHT CAME OFF SQUEALING STOPPED CHECK CHARGING SYSTEM WITH INNOVA OBD 2 DIAGNOSTIC TOOL CHARGING CHECK OUT GOOD , 5 DAY OF DRIVING HAS ELAPSED ,THE LOUD SQUEALING NOISE HAS NOT RETURNED . WHAT WAS THE LIKELY CAUSE OF THE LOUD SQUEALING NOISE THAT CAUSED THE BATTERY DASH LIGHT TO COM ON ?

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100% serpentine belt, don't do what I did and have a "she'll be right" attitude towards the noise and end up stuck on the side of the road and fixing it in the rain.. Go get her fixed immediately, it could last 6 months but for peace of mind, fix it asap !!
I learnt the hard way... Never again.. lol :-(

Posted on May 24, 2016

  • CJAY SLUMSTRAYAN
    CJAY SLUMSTRAYAN May 24, 2016

    100% serpentine belt, don't do what I did and have a "she'll be right" attitude towards the noise and end up stuck on the side of the road & fixing it in the rain.. Go get her fixed immediately, it could last 6 months but for peace of mind, fix it asap !!

    Also the battery dash light coming on and off is because of the belt slipping, therefore the alternator is not getting the rotationsgiving the battery it's usual charge so you could also find urself stuck with a flat battery... Also like myself!

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Serpentine belt is getting old and hard and the cold weather was causing it to slip
check belt condition ( small cracks across the grooves = scrap and get a new one) and check tension

Posted on Jan 22, 2016

Testimonial: "Thank you Bill for the help full solution , I will now be able to replace the belt and the belt tension er as a first step Thanks a lot"

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