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  1. #1

    Difference between diesel antifreeze and regular

    I had a friend who just called me and said he accidently put about 2 litres of diesel antifreeze in his GP. What is the difference and does he have anything to be concerned about. He added water after, equal amounts. Thanks for the input.
    Conventional wisdom says to know your limits. To know your limits you need to find them first. Finding your limits generally involves getting in over your head and hoping you live long enough to benefit from the experience. That's the fun part.  JACKASS

  2. #2

    Re: Difference between diesel antifreeze and regular

    You mean antifreeze for diesel fuel!?! He might want to drain that out, I don't know what the compatibility is like between water pump seal/impeller/hoses etc and a solvent based fuel product
    If you are having trouble thinking outside the box, get a smaller box and try again.<br />Five gear, manual everything, 2.8/3.4 GP coupe.

  3. #3
    19Cutlass94's Avatar
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    Re: Difference between diesel antifreeze and regular

    Id get that radiatior and whole system flushed.
    Jay

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  4. #4

    Re: Difference between diesel antifreeze and regular

    None. Where does this BS come from, why answer when you don't have a clue, you guys just want to post something.

    Jud
    Quickest TGP on the planet.

  5. #5

    Re: Difference between diesel antifreeze and regular

    There is Anti-Gel for diesel... I use it in the winter. Defintally don't want that in your coolant... it's mainly diesel fuel and may eat rubber hoses!!!



    I'm suprized he didn't notice right away... it would float on water, and it's very stinkee. It's also clearish... not green.

    Now if he means radiator coolant... I'm not aware of a different coolant for diesel engines. (VW has used the same coolant in all their engines, gas and diesel, sence 1997)

    His GP doesn't have a DexCool system? Don't wanna mix anything with that...

    -Jason
    Me: 1999.5 VW Jetta TDI. ~130HP/265lb&#39;, 45 MPG. RC II / III switchable, ASR, MFA, Bilsteen TCs 245,000 miles! Running on American soy Biodiesel!<br />1991 Mercedes 350SDL. 250,000 miles. The moneypit.<br />1992 Jetta ECOdiesel. 150,000 miles. Under repair.<br />1991 Jetta ECOdiesel. 425,000+ miles! Sold. <br />Sis: 2002 Pontiac Grand Prix. Totally stock. 111,000 miles.<br />

  6. #6

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    Re: Difference between diesel antifreeze and regular


    Sounds like your friend put Diesel antifreeze in his car.
    If this will hurt any thing depends what coolants are involved.

    Here is a link to some good unbiased info.

    http://www.coolprofits.com/articles/...ant/index.html
    1996 Buick Regal 3800 stock.

  7. #7

    Re: Difference between diesel antifreeze and regular

    It was radiator coolant for diesel engines. I am not aware of the difference, that is what I was wondering. Anyway, I am going to flush it and clean it this weekend for him. Hopefully a couple of days won't hurt.
    Conventional wisdom says to know your limits. To know your limits you need to find them first. Finding your limits generally involves getting in over your head and hoping you live long enough to benefit from the experience. That&#039;s the fun part.&nbsp; JACKASS

  8. #8

    Re: Difference between diesel antifreeze and regular

    What the heck is diesel engine coolant??? Hot metal is hot metal

    -Jason
    Me: 1999.5 VW Jetta TDI. ~130HP/265lb&#39;, 45 MPG. RC II / III switchable, ASR, MFA, Bilsteen TCs 245,000 miles! Running on American soy Biodiesel!<br />1991 Mercedes 350SDL. 250,000 miles. The moneypit.<br />1992 Jetta ECOdiesel. 150,000 miles. Under repair.<br />1991 Jetta ECOdiesel. 425,000+ miles! Sold. <br />Sis: 2002 Pontiac Grand Prix. Totally stock. 111,000 miles.<br />

  9. #9

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    Re: Difference between diesel antifreeze and regular

    Coolant for diesel engines have additional additives to prevent erosion and cavitation which can occur due to the very high compression and the fact that some diesel engines use wet cylinder sleeves.

    I wouldn't bother flushing it but that's just me.

  10. #10

    Re: Difference between diesel antifreeze and regular

    Wierd... I use the same coolant in mine (which has 19.5:1 compression) as the 2.0 gas engines (which is 10:1 I believe?)

    Do you know what brand the coolant he added is? If it's compatable with what was in there allready, there's no real reason to flush it...

    -Jason
    Me: 1999.5 VW Jetta TDI. ~130HP/265lb&#39;, 45 MPG. RC II / III switchable, ASR, MFA, Bilsteen TCs 245,000 miles! Running on American soy Biodiesel!<br />1991 Mercedes 350SDL. 250,000 miles. The moneypit.<br />1992 Jetta ECOdiesel. 150,000 miles. Under repair.<br />1991 Jetta ECOdiesel. 425,000+ miles! Sold. <br />Sis: 2002 Pontiac Grand Prix. Totally stock. 111,000 miles.<br />

  11. #11
    1990lumina's Avatar
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    Re: Difference between diesel antifreeze and regular

    i'd flush it, but that's just me....there will be additional detergents and stuff that his coolant system may not be designed for. I know there is a difference between what my dad puts in his 6.5TD and what we use in all the other vehicles....
    Jeff L. :: 2nd Canadian to win COTM The Preservation for POS W-bodies Canada Chapter
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    1990 Chevrolet Lumina Euro 3.1 | 3.1L 191ci 60 V6; 440T4 | 1 of 43,912 Made In '90 | 194,XXXKM
    1985 Mazda RX-7 S | 1.1L 70ci 12A Twin Rotor RE; 5spd | 1 of 63,105 Made in '85 | 130,XXXKM

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