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03-15-2013, 01:11 PM
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#1 | |
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AF Newbie
Join Date: Mar 2013
Location: Connersville, Indiana
Posts: 1
Thanks: 0
Thanked 0 Times in 0 Posts
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Whirring when starting
I have a 98 GMC Safari.
Lately when I go out to start it, I get a whirring for about 30 seconds then it goes away. I can't hear it from the inside, only when I have the hood up. The reason I was looking was because I just had the belt changed. Since it doesn't last long, I'd normaly blow it off but I've been paranoid lately since it threw the belt while I was driving down the road and I've worried about it ever since. Any idea what the sound could be? |
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03-15-2013, 03:19 PM
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#2 | |
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AF Enthusiast
Join Date: Oct 2011
Location: Ft Lauderdale, Florida
Posts: 953
Thanks: 13
Thanked 121 Times in 120 Posts
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Re: Whirring when starting
Since you just changed the belt ya need to look into why the belt came off. Serpentine belts rarely break. Could be a weak belt tensioner or a loose idler pulley. Check pulley alignment also.
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03-15-2013, 06:51 PM
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#3 | |
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AF Enthusiast
Join Date: Jul 2005
Location: troy, Ohio
Posts: 2,311
Thanks: 2
Thanked 171 Times in 169 Posts
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Re: Whirring when starting
Belts don't get thrown off for no reason-- just replacing the belt is like putting air in a leaky tire---you need to fix why that belt came off- and I'll bet that whirring goes away too.....
Look for a tight component or a bearing that is wearing out/locking up.
__________________
Automotive A/C Engineer with: '99 IH 4700 Toy Hauler (2) '95 GEO Prizms both maroon '99 GMC Yukon '95 Chev 3500, 454 Dually Crew Cab- 145k miles- Wife's Camel trailer puller. '94 Astro- 370k miles '94 Firebird Formula- 5.7L 180k miles- gone- '92 Chevy Lumina Van 3.8L 264k '86 GMC S-15 - 2.8L 154k '87 Buick Park Ave . 187k '86 Buick Park Ave 3.8L 199k miles- gone '77 Chevy Vega- 2.5L 175k miles gone but not forgotten '68 Camaro 396 4 spd RS/SS -72k miles- |
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