Separate Bonnet from Bonnet Frame - Defender Source
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  #1  
Old June 21st, 2010, 12:37 PM
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Separate Bonnet from Bonnet Frame

Does anyone have experience separating a defender bonnet frame from the bonnet? I am looking to have the bonnet frame galvanized.

I removed all the rivets but it seems like something else is holding it in place?...I took a few whacks at it with a hammer and it wouldnít budge.

Thanks.
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  #2  
Old June 21st, 2010, 01:07 PM
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Yeah, its glued in and sux to take out. Something flexible and cutty like a hack-saw blade is the easiest thing to wedge in between the frame and the hood in order to attack the adhesive. Once its freed up though it'll pop right out.
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  #3  
Old June 21st, 2010, 01:21 PM
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I just did it this weekend and it was a PITA

Tried a few diffrent adhesive removers but they did not help too much, in the end I slid a really thin piece of sharp metal under and cut at the adhesive until it popped off the frame.

Took me longer to get the frame out of the hood than to take off hood, fenders, grill and roof
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  #4  
Old June 21st, 2010, 03:09 PM
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Oh God. So, did either of you damage the hood in the process?...
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Old June 21st, 2010, 06:36 PM
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Everything looks good on mine but I took it really slow.

If I were to do it over again I think I might try to find a really thin piece of braided stainless steel fishing wire and use that to separate the skin from the frame.

Sounds worse that it is, just take your time and you will be alright
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  #6  
Old June 21st, 2010, 07:35 PM
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Great. Thank you.
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  #7  
Old June 21st, 2010, 11:10 PM
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No damage. I tried one of those steel cable wilderness saws - broke it fast.
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  #8  
Old June 21st, 2010, 11:56 PM
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It is a pain in the arse. But here is the answer.

Use a big jet engine type heater. Ask JimC about this. Ha. Heat the thing up and the glue just gives up its grip. You may need welding gloves to do the work though.
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  #9  
Old June 22nd, 2010, 12:31 PM
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Yeah, ha. A big diesel-fired infrared heater, it'll remove the hood frame in no time at all, and it will also melt the front off your Alfa Romeo.
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  #10  
Old June 22nd, 2010, 10:16 PM
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So heating it up will loosen the seam sealer ???
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  #11  
Old June 22nd, 2010, 10:28 PM
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I dont get it, this task did not seem hard at all to me on the two I did last year, especially compared to de-skinning a SW rear door.
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  #12  
Old July 2nd, 2010, 02:31 PM
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Here is a question, if you separate the frame from the hood do you use adhesive when you put it back together?
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  #13  
Old July 2nd, 2010, 09:22 PM
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The older hoods had some "super" glue holding them together. I would use adhesive going back together to keep away the squeaks.
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  #14  
Old July 5th, 2010, 09:40 PM
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Quote:
Originally Posted by bjf View Post
Here is a question, if you separate the frame from the hood do you use adhesive when you put it back together?
I did it about six months ago and used some stuff at a buddy's body shop. He called it panel bond and it's a two-part, epoxy-like stuff. It comes in pretty big tubes and you need a special gun to squeeze both tubes equally. 3M product I think and it works really good. Try a local body shop; I'm sure they'll have it.
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Old July 6th, 2010, 11:08 AM
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Quote:
Originally Posted by peachyracer View Post
I did it about six months ago and used some stuff at a buddy's body shop. He called it panel bond and it's a two-part, epoxy-like stuff. It comes in pretty big tubes and you need a special gun to squeeze both tubes equally. 3M product I think and it works really good. Try a local body shop; I'm sure they'll have it.
Sadly, if you ever need to seperate the skin from the frame again forget it. The strength of most panel bond adhesives rivals welding. Proper stuff to use is called seam sealer, available from Eastwood.
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  #16  
Old October 6th, 2012, 09:39 AM
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This was a helpful thread. I just disassembled my old bonnet and was worried about dealing with the glue between the steel frame and the aluminum skin. I used a wide wall spackle scraper and heavy use of a hammer to separate the two.

Now my frame is out and I'm sandblasting it down to bare steel to remove the rust and wondering what to use to refinish the frame. To my knowledge, there aren't any galvanizers nearby, so I'm looking at the next best alternative to rust prevention. I'm open to suggestions from those that know better. Powdercoating? POR15?
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