Changing Alternator - Page 4 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 04-15-2008, 09:16 AM   #31
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Im not real sure i know that the one thing with the wheel not sure what its called wont move at all. My brother said that the bearing died in it and thats what made it pop off.
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Old 04-15-2008, 09:20 AM   #32
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Get a new pulley for your tensioner - 3" - part number 89007
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Old 04-15-2008, 08:00 PM   #33
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Quote:
Originally Posted by harofreak00
Sounds like you need this from me now... $20 shipped.

You just got into a much more complicated fix than just the alternator. You have you drain the coolant to swap the bracket in since coolant runs through it.

I don't know why everybody says you have to swap the bracket???? ....

You do not need to swap the bracket, just the pulley, itself. It is a left-hand thread. You just torque on that same bolt which you torque to loosen the tension. Except torque it to the RIGHT to remove the bolt, and the pulley comes off. Canadian Tire wants about $20 for the pulley alone.
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Old 04-15-2008, 08:06 PM   #34
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Quote:
Originally Posted by Icebound
I don't know why everybody says you have to swap the bracket???? ....

You do not need to swap the bracket, just the pulley, itself. It is a left-hand thread. You just torque on that same bolt which you torque to loosen the tension. Except torque it to the RIGHT to remove the bolt, and the pulley comes off. Canadian Tire wants about $20 for the pulley alone.
thats great, if its just the pulley. but if the tensioner is shot, what good is JUST the pulley?
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Old 04-15-2008, 08:20 PM   #35
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You have bigger problems than a tensioner or pulley.
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Old 04-16-2008, 01:53 PM   #36
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Default changing alternator

Sounds like you lost your water pump first, it sprayed water and antifreeze on the belt tensioner and possibly ruined the bearing. Your alternator may or may not be bad but if you got a new one, put it on.

I am in the middle of the same project. Lost water pump, it froze and kicked the belt off. Lots of fun driving w/o power steering at the same time. I am also replacing the upper and lower intake manifold gaskets to be safe as well as cleaning the Throttle Body and a good internal cleaning of the upper and lower intake manifold on my 1992 Bonneville SE.
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Old 04-16-2008, 02:56 PM   #37
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His issue is an eroded UIM, not a water pump.
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Old 04-16-2008, 04:11 PM   #38
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Default replacing alternator?

If it is only the uim, why did he loose the serpentine belt. I lost mine due to water pump failure for sure. Its not to say that his UIM is not failing also??? My water pump went out with a very slow leak that was really hard to see but lost fluids about a quart a week. The water pump finally froze up solid and kicked off the belt. To be sure I am changing all the gaskets, o-rings associated with intake manifold repair also.
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Old 04-16-2008, 09:58 PM   #39
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I went ahead and just tried putting on a new bearing thing on the tensioner (sp?) and it wroked but i hear a sweaking noise when i give the car gas when im drive is it just the belt maybe?
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Old 04-16-2008, 10:21 PM   #40
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A new PULLEY on the tensioner? If that'* what you're trying to say, then yes, a little squealing would be normal for a day or two.
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