Lots of rust!!!!! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 03-11-2009, 03:34 PM   #1
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Default Lots of rust!!!!!

well here is my 1993 bonneville se


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and heres all of my rust problems, theres quite a bit

first the not so serious
both fender wells
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now, we get to the serious part
passanger side engine cradle
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passanger side under door
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passanger rocker (have a new one, need to put it on)
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rear passanger side sub-frame
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heres the drivers side to compair it to



so whats everyone think, i know its prety bad but i have a welder and i have some skills while useing it.

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Old 03-11-2009, 03:41 PM   #2
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I think you'd be better off taking off the radiator cap and slipping a new car underneath it!

That'* allot of cancer and it looks like there is more than cosmetic areas involved, i.e. structural components.

I don't think anyone in their right mind would advise you one way or the other on how to proceed. If you do decide to tackle this...the best of luck to you!
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Old 03-11-2009, 03:49 PM   #3
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i knew that it was really bad and i figured someone might have done something like this
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Old 03-11-2009, 04:33 PM   #4
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That'* a lot of rust. Going to take a lot of work.
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Old 03-11-2009, 04:52 PM   #5
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I have a 1992 SE with a bit of cancer. I believe the engine cradle rusting through is an issue with Bonnevilles, the prior owner said he had that repaired, or replaced, or something on mine. My rockers have rust, but not so much that the panels fell off or won't attach. Mine is basically similar to yours in that the front and rear subframes have rust while the floors look ridiculously solid in comparison. But either way, the garage I took it to said there was no way in hell they'd pass it on an inspection due to the rust, so keep that in mind, although that didn't stop the shop the prior owner took it to from passing it with flying colors. I once had a vehicle pass inspection and not 10 months later did the rear frame all but collapse. Sooooo there'* no telling, especially with a unibody, unless you're an expert But it seems like most shops are either paranoid because of the consequences involved so they error a little too much on the safe side, or they just want your money.

Those holes in your subframe are a legitimate cause for concern, I can tell you that much. I'm not sure of the structural significance of rockers in general, but a hack job won't fool anyone into inspecting it that otherwise wouldn't, unless you're just doing it to reattach the panel.

oh, and mine has rust on the quarter panel but only because I scraped against the snowbank around my driveway too many times LOL.

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Old 03-11-2009, 10:09 PM   #6
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anyone have any ideas about how to procced on this one? lol

my plan was to get some tube that i could put up into the rear subframe and weld it in place where it would be solid then i dont know where i would attach it to but i would figure it out when it gets warmer out
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Old 03-11-2009, 10:17 PM   #7
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I guess as a starting point you need to seal that rust. You can do that with something like navel jelly, or some other product that will convert rust and then seal it.
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