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VY V6 Radiator Flush

Discussion in 'VY Holden Commodore (2002 - 2004)' started by johnmw1, Mar 16, 2017.

  1. johnmw1

    johnmw1 Member

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    Hi,
    Was about to buy some green Nulon 100% concentrate when the sales guy jumped in and recommended the red.

    Is it a good recommendation or not really necessary considering it's half as much again compared to the green?

    Will be doing a complete flush of the system.

    Also Haynes or Gregorys manual as the sales help were clueless?

    Cheers,
    John
     
  2. JoshlikesCalais

    JoshlikesCalais Active Member

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    Green for v6 red for ls1, hes just trying to get a sale!
    Get the green stuff, its what comes in them from factory. Not worth it and not even sure if its compatible :)
     
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  3. johnmw1

    johnmw1 Member

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    Hi Josh,
    Yeah it's what I ended up getting. The red it seems is more suited to the alloy engines which of course the vy is, but back in the day red was probably not thought of?
    I also got the Gregorys manual as the Haynes was not in stock.

    Cheers
    John
     
  4. Ozzie

    Ozzie JCCC Warrnambool

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    Holden service centers say red
     
  5. johnmw1

    johnmw1 Member

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    Oh ok, perhaps I better swap it over then.
    Cheers
    John.
     
  6. JoshlikesCalais

    JoshlikesCalais Active Member

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    There is no benefit though? why get the pricier one when you don't need it.......
     
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  7. wraith

    wraith Hand over the dog bikkies

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    Ecotec = Green. Alloytec = Red. They do have a multi range long life option available now to which I believe is pink. Either way green is fine.
     
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  8. johnmw1

    johnmw1 Member

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    Hi Guys,

    Yes I decided to stick with the green and I will be doing the flush today.

    As for the Gregorys manual, very disappointing indeed, I didn't know that its actually associated with Haynes. They are not like the last Gregorys that I owned which was a lot more thorough in instructions and images. For instance in this latest Gregorys it neglects to tell you the most important step to begin with in getting to the end of the top radiator hose where it connects to the motor. In other words removing the top cover from the motor. If I had not read that elsewhere I would still be looking...............
     
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  9. greenacc

    greenacc Searching for the billion

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    Not sure if they would have revised the VY workshop manual in the last ten years or if that means the original one was rubbish and still is..
    You could try looking at the local markets you might find an older better one there.
     
  10. johnmw1

    johnmw1 Member

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    The funny thing is I just subscribed to Haynes for a week to see if their publication was any different or had more information, and guess what it's exactly the same except for the images you click on which are in colour.
    Cheers
    John
     
  11. greenacc

    greenacc Searching for the billion

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    I stopped buying them after consulting the VS one for some transmission assembly detail. All is said about the trans is pull the pan off replace the filter and put the pan back on...!
    I sent them an email asking what gives have you missed 20 pages in my book??? And they replied saying " it's a service manual not a workshop / rebuild Manual!
    I replied saying goodbye to as I'm no longer a customer :)
     
  12. johnmw1

    johnmw1 Member

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    Yes I am that fool and his money who is so easily parted!:(

    Having trouble trying to remove the cooler reservoir on the VY. It seems to be placed under the air filter box and I can't see anyway of getting to it to remove.

    In my ute beaut instructions from Hayes it sayes it's held there with just 2 screws. That maybe so on another model but not with the VY?

    Cheers,
    John
     
  13. johnmw1

    johnmw1 Member

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    Well I did the flush but to be honest I'm not sure if Ive done it right or not? I only got about 4 litres out when I drained it. Didn't seem to look too bad with what I got out of it, just not enough, and then when refilling it only managed to get about the same 4 litres of concentrate back in. Hopefully with what must have been left in the system and what I put back in the ratio is somewhere around where it should be.

    I took it for a bit of a high speed run and could not get the temperature needle past halfway, so here's hoping.

    Cheers,
    John
     
  14. greenacc

    greenacc Searching for the billion

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    Sounds like it should be fine if you put the same amount in as what came out. Check it again in a day or two just to be sure.
     
  15. johnmw1

    johnmw1 Member

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  16. greenacc

    greenacc Searching for the billion

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    Do how did you drain the system? I would have just dropped the bottom hose off the radiator, flushed fresh water through it with the hose and filled her up with fresh coolant/ water as required.
    If really keen fill with water and run with heater on for a few minutes to flush out the remaining old coolant then drain again and fill.
    Unless your old coolant was rusty I wouldn't worry and just leave it.
     
  17. johnmw1

    johnmw1 Member

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    Yeah,
    That is pretty well what I did, but so little came out compared to the supossed 12 litres that should have been in there. Considering when I looked in both the radiator and the reservoir the other day and could see nothing in either perhaps that's all that was in there. But it doesnt account for the small amount I could only get back in?

    Cheers,
    John
     
  18. greenacc

    greenacc Searching for the billion

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    The rest is still hiding in the engine block and heater, that's normal.
     
  19. Ozzie

    Ozzie JCCC Warrnambool

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    I've been using Nulon red concentrate. No difference in price to the green really.
    Red does also have the benefit of easily being able to spot leaks though which is a plus.
     
  20. wraith

    wraith Hand over the dog bikkies

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    It's different formulas meant for different motors. It's not just a matter of different colour.....
     

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