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sealant for panel

Discussion in 'VR - VS Holden Commodore (1993 - 1997)' started by MRoberts, Feb 14, 2020.

  1. MRoberts

    MRoberts New Member

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    Just took the fuel tank out of the vs ute to change the fuel pump and decided to do a bit of a clean up while the tank is out. What is used as a sealer (product name) on the edge under the screws that tub floor/access panel sits on above the tank . I need to replace it , its worn away .Cheers access panel.jpg
     
  2. vs-lover

    vs-lover Well-Known Member

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    I'd say that they probably used an Automotive product called "Prestik" which was made by "Bostik" but sadly is no longer available.

    GMH were big users of that product over many years.

    This is not to be confused with the current domestic product that Bostik have under the same name.
     
  3. losh1971

    losh1971 Well-Known Member

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    I'd clean it up and leave it. If you really want to seal it go to Bunnings and get self adhesive foam strip or thin door seal. I put mine back in without any. I think they used it on every tub panel. FIIK why, it makes the panels hard to remove as they stick on.
     
  4. vs-lover

    vs-lover Well-Known Member

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    But you don't want water getting down there and rusting the guts out of the lower area like it happened on all the pre HQ models.
     
  5. losh1971

    losh1971 Well-Known Member

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    Shouldn't rust out if you remove the bungs and leave them out. Its painted out with body deadening gear, which also helps.
     
  6. vs-lover

    vs-lover Well-Known Member

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    Strange how water gets in between the steel and deadner. Best to avoid it getting there in the first instance.
     
  7. Trevor loves holden.

    Trevor loves holden. Well-Known Member

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  8. VT2Commie

    VT2Commie Active Member

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    It is a butyl rubber tape that is stuck to it, so it can be removed and not permanent. It forms a skin and stays soft underneath.

    Silicone sealer will be permanent and to get the panel up if needed will bend the **** out of it.

    This is what the factory put on it, this type of tape but of course a bit thicker stuff.
    https://www.ebay.com.au/itm/BOLT-ON...ADLIGHTS-CAR-VAN-GARAGE-SEALANT-/251426750877

    You could also use this, which is the same stuff just in a tube and a bit messy.
    https://www.bunnings.com.au/selleys-400g-gun-grade-white-butylmastic-sealant_p1234707
     
    Last edited: Feb 14, 2020
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  9. vs-lover

    vs-lover Well-Known Member

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    Yep our resident googler has been hard at it again VT2Commie, under no circumstances would I use what he's suggesting. There are places for such products but not here in this case.

    As such I totally agree with you that you want a product that's a non curing product and will separate easily if required.

    The first link you put up is basically the original "Bostik Prestik" but by another manufacturer and is identically what GMH originally used in vehicle production for so many years.
     
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  10. MRoberts

    MRoberts New Member

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    Thanks guys that's a heap of info , Im sure to find a solution in that. I think it is worth sealing good idea to seal cavities especially ones that only get a look in every 10 years or so . Be good to hinge the panel instead of screwing it in the spare area next to the tank would be a good place for a tool box or something , anyway work well cheers.
     
  11. losh1971

    losh1971 Well-Known Member

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    I find it's a good place to hide your stash if crossing the border, especially if you have all the screws and none missing. :D:D
     
  12. Trevor loves holden.

    Trevor loves holden. Well-Known Member

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    Its all the same s**t all you want is to keep water out not holding down panels, it will work just fine. Or just get windscreen silicone.
     
  13. Dayvo

    Dayvo Because i can

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    If you decide to use a silicone sealer be careful which one you use , some are acidic and will eventually eat through the paint and promote rust.
     
  14. vs-lover

    vs-lover Well-Known Member

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    Hallelujah, someone has worked it out why you shouldn't use Silicone on vehicles, shame that some others around here haven't got a clue and just Google away and give out really bad advice !
     
    Last edited: Feb 16, 2020
  15. Trevor loves holden.

    Trevor loves holden. Well-Known Member

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    Praise the Lord they now make neutral cure sealant that is non corrosive, If it smells like vinegar then its acidic ( corrosive ), no Odour non corrosive, cars built prior mid 80's were known for rust around the front and back glass because of the acidic cure method hence the reason they introduced a new kid on the block which is less corrosive, that's why you see less corrosion on new cars around the glass these days.

    Just in case you need to know without looking at the link:

    • Provides primerless adhesion to a wide range of substrates
    • UV and weather resistant
    • Low odour
    • Non corrosive
      Service Temperature -40ºC to +150ºC
    SikaSeal Roof and Gutter Silicone Sealant is a one part neutral curing multipurpose silicone sealant suitable for indoor and outdoor applications. It provides weatherproof joints between various substrates such as glass, metals, painted surfaces, wood, ceramic tiles and concrete.
     
    Last edited: Feb 16, 2020
  16. Trevor loves holden.

    Trevor loves holden. Well-Known Member

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    Selleys Autofix Auto Silicone Sealant 75g

    • Versatile general purpose clear automotive silicone sealant
    • High strength adhesive that seals out water
    • Weather resistant
    • Translucent
    • Neutral Cure
    • Temp resistant: -60 degrees C and 180 degrees C continuously, or to 240 degrees C intermittently
    • Ideal for: auto trim, caravan windows, aerials

      Selleys Autofix Auto Silicone Sealant is a multipurpose, clear, tough, flexible and neutral curing silicone that is non-corrosive making it safe even on paintwork and chrome.

      Same s**t just has more selling pitch that cost you 3x as much.
     

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