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Black stuff on frame of car rustproofing?

Discussion in 'Technical Q&A' started by dhs-9, Aug 7, 2004.

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  1. dhs-9

    dhs-9 Formula Junior

    Feb 6, 2004
    292
    #1 dhs-9, Aug 7, 2004
    I was under the car doing some work and using brake cleaner to clean some engine parts and noticed that this black all over the underside of the car was getting goopy and coming off revealing the clean painted frame underneath. Is this black oil build up (car did have oil leak) or is it some sort of undercoat.
     
  2. GTO84

    GTO84 Formula Junior

    Dec 13, 2003
    566
    #2 GTO84, Aug 7, 2004
    It's undercoat. Brake cleaner takes off anything. Re coat it.
     
  3. Rifledriver

    Rifledriver Three Time F1 World Champ

    Apr 29, 2004
    37,072
    Cowboy Capitol of the World
    Full Name:
    Brian Crall
    #3 Rifledriver, Aug 7, 2004
    What kind of car do you have dhs-9, your profile does't say anything.
     
  4. dhs-9

    dhs-9 Formula Junior

    Feb 6, 2004
    292
    #4 dhs-9, Aug 7, 2004
    1987 328 I will add to profile
     
  5. Rifledriver

    Rifledriver Three Time F1 World Champ

    Apr 29, 2004
    37,072
    Cowboy Capitol of the World
    Full Name:
    Brian Crall
    #5 Rifledriver, Aug 7, 2004
    It's called Dinol. It is an undercoating that is two part application and non hardening. Won't chip off like other types but will disolve in almost any petrochemical. Don't continue to wipe it off.
     

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