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07-30-2017, 07:53 PM
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#1 |
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Registered User
Join Date: Jul 2017
Location: Beaumont California
Posts: 1
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Alternator squeaking in 70 c/20
Need help finding the problem with the alternator in my 1979 c20
Probably just needs to be replaced but if you have any info let me know 
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07-30-2017, 08:05 PM
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#2 |
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Moderator
 
Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,204
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Re: Alternator squeaking in 70 c/20
Check the belt tension first and condition of the belt...
Alternators usually don't squeak...  
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07-30-2017, 08:51 PM
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#3 |
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Registered User
Join Date: Jul 2013
Location: LI, NY 11801
Posts: 1,140
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Re: Alternator squeaking in 70 c/20
As Aussie said, Belts squeak, alternator bearings may squeak right before they seize up.
With the belt removed, is the alternator tough to turn?
__________________
1970 C10 8' Fleetside, L6 250, 3 on the Tree. The most basic of pickup trucks! |
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07-30-2017, 09:02 PM
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#4 |
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20' Daredevil (Ret)
 
Join Date: May 2003
Location: Jefferson State
Posts: 13,722
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Re: Alternator squeaking in 70 c/20
Try changing the tension on the belt, but before you do that, put a bar of soap against the belt while the engine is running. It will often silence (or at least change the sound of) a squeaking belt. Be careful not to damage any body parts, such as your fingers.
__________________
- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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07-31-2017, 02:20 PM
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#5 |
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Registered User
Join Date: Nov 2007
Location: Indianapolis
Posts: 1,161
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Re: Alternator squeaking in 70 c/20
take it to Auto Zone & have them test it
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