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850R bumper repair tools and process

jamesincJames (@jamesinc) Sydney NSW
in Articles & Guides 7112 / 394joined Jul 2013
This discussion was created from comments split from: James's 1996 850R.
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Comments

  • nickmnicko (@nickm) Sydeneee --- home of the traffic jamb, over priced coffee, and the 2000 Olympics
    2405 / 31joined Jul 2013
    Could not stay away from another R :)

    There is a place in Rockdale that sells the plastic epoxy repair stuff like the one in Wheeler dealers.
    You need the gun at about $80 are you interested going 1/2 in one?

    http://www.dailymotion.com/video/x3jneuu
    try a sig
  • jamesincJames (@jamesinc) Sydney NSW
    7112 / 394joined Jul 2013
    100% yes. I was thinking of buying an Eastwood Hot Stapler, but that would be $250+ by the time it gets to me.
  • nickmnicko (@nickm) Sydeneee --- home of the traffic jamb, over priced coffee, and the 2000 Olympics
    2405 / 31joined Jul 2013
  • jamesincJames (@jamesinc) Sydney NSW
    7112 / 394joined Jul 2013
    What's the product called?
  • 157 / 18joined Feb 2016
    Interesting product for bumper repairs, but I am wondering if simple plastic welding (possibly with some reinforcing mesh) wouldn't also do the job.

    There is a place in Sydney selling a plastic welder for $65 (plus $10 shipping). I am thinking about getting one for the motorbike plastics if my soldering iron and hot air gun don't work well enough.
  • nickmnicko (@nickm) Sydeneee --- home of the traffic jamb, over priced coffee, and the 2000 Olympics
    2405 / 31joined Jul 2013
    I can't remember talk to the guy there he is very helpful. Maybe move this thread

    re: the repair on the 850r front spoiler I think a more substantial fix is required. They are very easy to bump on parking stations stops.

  • RobRob (@Rob) - Lockyer Valley, SE Qld
    5537 / 518joined Jul 2013
    Interesting product for bumper repairs, but I am wondering if simple plastic welding (possibly with some reinforcing mesh) wouldn't also do the job.

    There is a place in Sydney selling a plastic welder for $65 (plus $10 shipping). I am thinking about getting one for the motorbike plastics if my soldering iron and hot air gun don't work well enough.

    850R front bumper is made of polyurethane, it cannot be plastic welded.
    There is a method of repair using a plastic welder but it is less than ideal.
    164fencesignature.jpg?m=1390588660

    Current: 1966 120 wagon, 1970 162, 1973 164E + supercharger, 1980 262C, 1998 C70 T5 AWD Coupe, 2009 XC70 D5 LE
    Previous: 1979 242GT, 1984 265GLE, 1985 740T, 1996 850R wagon, 1996 850AWD Manual among others
  • CamZHCam (@CamZH) Sydney, NSW
    841 / 21joined Oct 2013
    Following.
    Read as waiting for my replacement to see if it needs work.
    Åska '04 S60 R + Astrid Fringle '94 850 T-5
  • RobRob (@Rob) - Lockyer Valley, SE Qld
    5537 / 518joined Jul 2013
  • nickmnicko (@nickm) Sydeneee --- home of the traffic jamb, over priced coffee, and the 2000 Olympics
    2405 / 31joined Jul 2013
    I'll find out what it is next time I drive past
  • 157 / 18joined Feb 2016
    Rob (@Rob) wrote: »

    850R front bumper is made of polyurethane, it cannot be plastic welded.
    There is a method of repair using a plastic welder but it is less than ideal.

    Thanks for that info. I shall do some more reading on which plastics can/can't be welded successfully.
  • Ex850RSnoopy (@Ex850R) Somewhere Over the Rainbow. Melbourne.
    9249 / 169joined Jul 2013
    PU could maybe be best done with specific PU glues I imagine. Save the hot plastic fumes , suck in the pure chemical instead!
    Spac -
    "High speed rail, Melbourne to Brisvegas!
    I retain a deep suspicion, but maybe these shitcunts will actually manage to do something not entirely shit?"
  • jamesincJames (@jamesinc) Sydney NSW
    edited April 2016 7112 / 394joined Jul 2013
    This is what I'm dealing with on my bumper:

    ms8AorF.jpg

    TcVEaPv.jpg

    cu3rl22.jpg

    pZeyl9z.jpg
  • RobRob (@Rob) - Lockyer Valley, SE Qld
    5537 / 518joined Jul 2013
    Mine had similar damage. Looks good now.
  • nickmnicko (@nickm) Sydeneee --- home of the traffic jamb, over priced coffee, and the 2000 Olympics
    2405 / 31joined Jul 2013
    You definitely need that stuff. Looks repairable.
  • jamesincJames (@jamesinc) Sydney NSW
    7112 / 394joined Jul 2013
    What's the proper method for when you have holes like on mine? I imagine you have to put down some kind of backing material, then use a flexible filler?
  • Ex850RSnoopy (@Ex850R) Somewhere Over the Rainbow. Melbourne.
    9249 / 169joined Jul 2013
    Where's @Rob and the job you did on yours? The fill with expands foam trick?

    That bloke is a gun.
  • nickmnicko (@nickm) Sydeneee --- home of the traffic jamb, over priced coffee, and the 2000 Olympics
    2405 / 31joined Jul 2013
    I would think Teflon on the outer and build the epoxy.
    Then shape with a flex filler after the structure is restored
  • RobRob (@Rob) - Lockyer Valley, SE Qld
    5537 / 518joined Jul 2013
    What's the proper method for when you have holes like on mine? I imagine you have to put down some kind of backing material, then use a flexible filler?

    There is only a small piece missing, polyurethane glue will fill it.
  • jamesincJames (@jamesinc) Sydney NSW
    7112 / 394joined Jul 2013
    Okay so the process as far as I can tell is:
    1. Prep everything (drill out the ends of cracks, put V-grooves along any edges, etc)
    2. Apply polyurethane glue to all the cracks and small gaps. Use teflon sheet to provide a backing material for the glue while it cures
    3. Sand, seal, prime, paint
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