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1991 ford dump truck harmonic balancer bolt breaking


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llkush@ameritech.net
New User

Dec 17, 2007, 1:07 PM

Post #1 of 2 (1503 views)
1991 ford dump truck harmonic balancer bolt breaking Sign In

I am having a problem with the harmonic balancer bolt breaking on my 465 engine. I have my salt spreader and my dump box ram belts running around my harmonic balancer. Would this put too much strain on the harmonic balancer and break the bolt? It has happened three times.


DanD
Veteran / Moderator
DanD profile image

Dec 28, 2007, 7:37 AM

Post #2 of 2 (1483 views)
Re: 1991 ford dump truck harmonic balancer bolt breaking Sign In

Are you using the proper strength bolt; I think it should be no less then a grade 8.
Here's a pic showing what the markings on a grade eight bolt are.



Dan.

Canadian "EH"










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