Question about 2003 Chevrolet Silverado 1500

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Im trying to change the altinator in my 2003 silverado v-6. i took the two bolts out the electric componets and still cant get it loose.

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Hi: !st Thing you need to do is disconnect your negative battery cable to prevent more damage.If i'm understanding you Right you Took the Wiring off the Alternator.Or did you Remove the Mounting Bolts? Here Goes Disconnect Battery, Loosen the Bolt on the Alternator Adjuster Bracket, This will give you Some Slack in the Belt ,BUT Locate the Belt Tensioner take a Breaker Bar or The Correct Size Boxed in Wrench or use a Ratchet and Socket. The Tension Is Spring Loaded to Keep Your Belt From Coming OFF. Your Belt Runs Probally Everything like your Alternator ,Water Pump,A/C Compressor,Power Steering So On. So Until you Take the Belt Either OFF or Just Release the Tension on the Belt,I'm Sure if you Have Removed All mounting Bolts and Your Wires to The Alternator, Your Alternator Will Come on Out with a Little Light Effert. Be Sure You Watch How Eveything Comes Off Cause You'll Have To Reverse the Way you Took It Off To Put it Back Together. Be Sure You Look At the Belt Routing Diagram Which is on either your Cross bar By The Radiator. Its Say Belt Routing Diagram. Hope This Gets you Going It Should.If You Follow These Instructions. Please Let Me Know how My Advice Helped You By Voting And Also You Can Send me A Message on FIXYA. From The WYOCWBOY

Posted on May 31, 2010

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Aloud squeal.


You need to tighten the altinator belt..
It squeels and falls off because it is too loose..
Losten the two bolt a bit on the altinator so it will move..
Put the belt on - loose is ok right now..
Use a very large scewdriver or a crowbar - find leverage - to push on the altinator in the derection that tightens the belt..
Once you have some good force on it - keep the force on it as you tighten the bolts..

This will take care of the problem.. ;o)

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