 Fan Belt Help |
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| Ken Mikos |
 Aug 22 2021, 07:31 PM
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#1
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Newbie  Group: Members Posts: 28 Joined: 20-February 14 From: Pgh Member No.: 17,024 Region Association: None  |
Just put a new fan belt on, it jumped off the pulleys twice as I was driving after about 10 miles.
The old belt had inner cogs and the new belt has outer cogs. Will that make a difference? I made sure the belt was tight the first time and probably over tightened it the second time as I had only about a 1/4” of flex. Any suggestions would be appreciated. Thanks |
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Replies
| Ken Mikos |
Aug 23 2021, 02:10 PM
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#2
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Newbie Group: Members Posts: 28 Joined: 20-February 14 From: Pgh Member No.: 17,024 Region Association: None |
Thanks for all the constructive comments.
Checked the Alt Pully, no play or bends and the Alt Bracket is fine. The newer belt that spun off has the same ID #15380 but is slightly different than the old belt as described earlier. To remedy the issue I temporally installed the old belt and placed an order for a Conti 10X965 which has the cogs on the inside. Will keep you all updated on this bizarre issue. Ken |
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| Quinn Moore |
Aug 23 2021, 04:45 PM
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#3
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Qmoore Group: Members Posts: 108 Joined: 13-July 21 From: Fox River Grove, IL Member No.: 25,718 Region Association: Upper MidWest 
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QUOTE(Ken Mikos @ Aug 23 2021, 03:10 PM)  Thanks for all the constructive comments. Checked the Alt Pully, no play or bends and the Alt Bracket is fine. The newer belt that spun off has the same ID #15380 but is slightly different than the old belt as described earlier. To remedy the issue I temporally installed the old belt and placed an order for a Conti 10X965 which has the cogs on the inside. Will keep you all updated on this bizarre issue. Ken I had "roughly" the same issue. My belt that broke had the the cogs on the outside. Very narrow though (VW?). Anyway I was far from home and went to local advance auto, found a dayco under Volkswagen. Came off.. pulled over, really tightened it up and got me home. Then bought the correct belt from autoatlanta.com. continental. Cogs on the inside, correct 10x965. All good. |
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Posts in this topic
Ken Mikos Fan Belt Help Aug 22 2021, 07:31 PM
windforfun https://www.merriam-webster.com/dictionary/cog Aug 22 2021, 07:33 PM Ansbacher I thought Ken's use of the word "cog(s)... Aug 22 2021, 08:00 PM jcd914 Check the alignment of the alternator pulley and f... Aug 22 2021, 09:17 PM PanelBilly check the pully for bends. A small kink can throw ... Aug 22 2021, 09:50 PM bdstone914 @Ken Mikos
What brand and part number did you buy... Aug 22 2021, 09:59 PM iankarr :agree:
Could it be the belt is inside out? I... Aug 22 2021, 10:05 PM Shivers Cog is correct according to this guy, I've als... Aug 23 2021, 02:42 AM bdstone914 @Ken Mikos
Dud the original belt have the sane o... Aug 23 2021, 07:28 AM
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