Bolt Replacement

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Mar 24, 2013 | 03:53 PM

#11

jimmers1817

Ultimate HDF Member

Joined: Nov 2007

Posts: 6,975

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From: NJ

A bolt can only be torqued once because it stretches

Mar 24, 2013 | 04:02 PM

#12

spydyr

Road Captain

Joined: Mar 2010

Posts: 705

Likes: 8

From: southern IL

Quote:

Originally Posted by Knucky

It has nothing to do with mileage. Certain bolts with high torque specs, can't be re-tightened to the same torque spec twice since the first time you do it the bolt is weakened. The second time you torque to the same spec you run the risk of shearing the head off the bolt or having it fail unexpectedly down the road.

Just do it right, buy replacements.

I think we're up to +3 on this. I wouldn't necessarily say it's weakened the first time it's torqued, but certainly stretched/tweaked. Bolt shearing is not something I want to have because I didn't spend $20 on new bolts.

Mar 26, 2013 | 04:36 PM

#13

Hocus-Pocus

Road Master

Joined: Nov 2009

Posts: 1,198

Likes: 51

From: Ft. Worth

Quote:

Originally Posted by woodybear

I have a 2012 FLSTC with 900 miles on it. I recently had the blackwall tires replaced with whitewall tires. I took the wheels off myself and was ready to reinstall them but the manual says not to reuse any of the rotor, sprocket and brake bolts because of lose of torque. Do I really need to buy all new bolts given the low milage on the OEM bolts?

Thanks,

Jack

Why did you have to take any of that stuff loose in the first place? Only the axle nut has to be removed and axle pulled out to remove the wheel. You did not need to remove all that just to change tires.

Last edited by Hocus-Pocus; Mar 26, 2013 at 04:40 PM. Reason: spelling

Mar 27, 2013 | 08:39 AM

#14

fcsallan

Road Warrior

Joined: Jun 2010

Posts: 1,337

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From: Sunny South Florida

Quote:

Originally Posted by Hocus-Pocus

+1 I was wondering this as well.

Mar 27, 2013 | 09:47 AM

#15

PPBART

Elite HDF Member

Joined: Mar 2008

Posts: 3,906

Likes: 145

From: SE Louisiana

Quote:

Originally Posted by woodybear

...manual says not to reuse any of the rotor, sprocket and brake bolts because of lose of torque...

A friend of mine had the belt replaced on her bike while on a road trip last summer. Dealer apparently re-used sprocket bolts, and two of them broke a few hundred miles further down the road(!). Fortunately she felt the sprocket wobbling and stopped, had the bike trailered to the nearest dealer. After some discussion with that dealer and with HD, the dealer replaced the sprocket (with new bolts) and belt at no charge.