j.b.weld question
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Road Master
Joined: May 2007
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j.b.weld question
anyone firmiliar with it. the rivits came loose on my front fender causing the paint to chip so i ground them off. need to reattach fender . any tips would help thanks in advance
Road Captain
Joined: Aug 2007
Posts: 667
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From: Vancouver Wa.
RE: j.b.weld question
I wouldnât use JB weld to fix that. The stuff is strong but I am afraid there in not enough surface area for the product to perform as you will need it to. I would rivet it again if it was me, or find new fender.
Outstanding HDF Member
Joined: Jun 2007
Posts: 3,306
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From: Bellville, Tx
RE: j.b.weld question
You don't say what type! My WG fender did the same, I used short 1/4-20 flathead(actually slightly domed) screws with nylock nuts to replace the rivets. Have held real well for a couple yrs now.
[IMG]local://upfiles/36103/2ACB92C3DDD04A78A145DE7E6537AE1D.jpg[/IMG]
[IMG]local://upfiles/36103/2ACB92C3DDD04A78A145DE7E6537AE1D.jpg[/IMG]
Club Member
Joined: Dec 2007
Posts: 4,192
Likes: 168
From: Knoxville, Tn
RE: j.b.weld question
I agree with Loner. Depending on what paint was on the fender, I would either use blind rivets (also known as cherry max or pop rivets) or get some soft aluminum rivets and buck them with a hammer and a rivet set. If you use the blind rivets you will have to fill the center hole with some bondo and sand before paint. Just my opinion...
Elite HDF Member
Joined: Jun 2006
Posts: 3,572
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From: Templeton California
RE: j.b.weld question
My front fender is JB welded and has been since last summer.If you strip the paint off the contact surfaces it'll stick.Check it out, the picture with the duct tape was from when I filled the holes from the top.I then stripped the paint off everywhere the bracket touched the fender and used JB Weld.I also rotated the fender back by about 4 inches as you can see in the last pic.
Outstanding HDF Member
Joined: Jun 2007
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From: Bellville, Tx
RE: j.b.weld question
I don't feel al rivets will hold the vibs, and will loosen up.JB can be used and does eliminate the holes, it's pretty tough stuff. I still like my screws, they can be tightened easily if they loosen up.
Cruiser
Joined: Jan 2007
Posts: 105
Likes: 0
From: B'ham, Al.
RE: j.b.weld question
I would re-rivet or use a nut & bolt as well. Vibration will make the J.B.Weld crack over time.
JMHO, RR
JMHO, RR
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Joined: Sep 2007
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From: SE Michigan
RE: j.b.weld question
Just a question, maybe it has already been answered.
I have the same problem on my front fender and I am planning on having it fully TIG welded. Is there a problem with welding it? Why is it rivited from the factory?
Thanks.
I have the same problem on my front fender and I am planning on having it fully TIG welded. Is there a problem with welding it? Why is it rivited from the factory?
Thanks.
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Outstanding HDF Member
Joined: Jun 2007
Posts: 3,306
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From: Bellville, Tx
RE: j.b.weld question
I'm not so sure, JB is tough stuff, the trick is to let the bead form when you mate the parts and DON'T wipe it off. The bead will prevent peeling at the edges by providinga little flex at that point. Hell, most modern aircraft are bonded together with similar if not the same material. There is enough surface area for a really strong bond on the fender. Fill the holes at the same time and you have a smooth finish.
Trick, use masking tape on both side of the holes to hold the JB in place(makes for minimal finishing).
Trick, use masking tape on both side of the holes to hold the JB in place(makes for minimal finishing).
Outstanding HDF Member
Joined: Jun 2007
Posts: 3,306
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From: Bellville, Tx
RE: j.b.weld question
ORIGINAL: Firefytr29wfd
I have the same problem on my front fender and I am planning on having it fully TIG welded. Is there a problem with welding it? Why is it rivited from the factory?
Thanks.
I have the same problem on my front fender and I am planning on having it fully TIG welded. Is there a problem with welding it? Why is it rivited from the factory?
Thanks.