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Cooling System Series 2 VX V6 eco

Discussion in 'General' started by vxlow, Apr 4, 2019.

Whats wrong with it lol

  1. Headgasket?

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  2. Was just valley gaskets

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  1. vxlow

    vxlow New Member

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    Right so iv noticed that my V6 temp gauge sits in between half and the line just before half sits in the middle fans kick in about 109ish, iv replaced the pump flushed the radiator thermostat i tested that with the pot opened fine, but im losing water iv also just done my valley gaskets, after i found oil in my water but no oil in my water the oil is clean, but when i go to bleed it and think im done ill open the radiator cap and theres next to no water so its got me iv heard it can be different things but want others reckon as im stuck a little may be my heater core blocked up but dang who knows iv done it properly but clearly missed something out!! Please help me haha cheers
     
  2. losh1971

    losh1971 Well-Known Member

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    Best to have the coolant checked for exhaust gas. That should give you a good idea if the HG is leaking
     
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  3. vxlow

    vxlow New Member

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    and its definitely bot my rear main seal thats dry will try this cheers
     
  4. vxlow

    vxlow New Member

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    Not
     
  5. Wozza

    Wozza Well-Known Member

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    Is the expansion bottle also empty? ......when doing water pump ect how much water/coolant did you put back in?
    are you seeing any coolant on the ground?
    have you replaced radiator cap with correct rated one or at all
     
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  6. vxlow

    vxlow New Member

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    There is water in my overflow yes, it still had water in it, and nope not 1 leak that i can see iv tighten the hoses/changed clamps but haven't had a chance to bleed it again but its holding water right now and has been off for a day but when i drive it and come back it usually goes down
     
  7. Wozza

    Wozza Well-Known Member

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    prob have a bucket of air still in the system...takes between 5 to 6lt of coolant maybe a tad less or more after a rad flush/ pump replacemnt....10+ lt if block is drained
    if system is working fine it should empty res before the rad starts to drop level....do a search for bleeding coolant system there are a few slightly different techniques...if you 100% certain the system is bleed right and not seeing any coolant on ground then the only place it can go is in the cabin or out the exhaust.....
     
  8. vxlow

    vxlow New Member

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    None out the exhaust
     
  9. Lex

    Lex Well-Known Member

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    Is the floor on the passenger side dry?
    What is the radiator cap like?
     
  10. vxlow

    vxlow New Member

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    Seems dry, will look under it when i get home as i do get a smell of water, only when hauling ass really, cap seems ok iv got multiple caps and this is with and without alloy and factory radiator
     
  11. vxlow

    vxlow New Member

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    Also im only using water, and when i left the cap off when the water reached boiling temp it was bubling back out but that's running it, with the radiator cap off and car running for 15-20 is it normal if you leave cap off and it does this after the period of time? As this isn't my first encounter and i have no white smoke no oil under my radiator cap, no floor leaks no visible leaks now iv brought a pressure system checker so ill get results from that hopefully, cheers for the advice so far guys has helped with some things also iv changed hose clamps
     
    Last edited: Apr 6, 2019
  12. Wozza

    Wozza Well-Known Member

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    you cant run or bleed this system with the cap off..it needs to be pressurized and the bleed nipple loosened,the water being pushed out is because there is air in the system.... as I said do a search for bleeding cooling system
     
  13. vxlow

    vxlow New Member

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    I have done both mate iv been told various things so im confused to what way is right
     
  14. Wozza

    Wozza Well-Known Member

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    try this.....with the car cold...fill the radiator, now with the cap off undo the bleed screw....if water go's down in the radiator and no water comes out tighten bleed screw and repeat till water dribbles out..put on cap and run car up to operating temp, go for a drive and take a flat blade screw driver with you...just undo the bleed screw(when at operating temp) you should hear a hiss or see water dribble out...if hiss wait till you cant hear it any more, tighten screw wait a min or 2 and repeat till you see water come out bleed screw....let it cool (make sure the expansion tank has water in it) when cool check the expansion tank see if level has drop or empty if so top up.....
     
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  15. VS_Pete

    VS_Pete Donating Member

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    you got the heater on yes?
     
  16. vxlow

    vxlow New Member

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    Yes on 1 and wozza ill give it a go man thank you
     
  17. immortality

    immortality Home of the smoky breakfast Bacon! Staff Member

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    For years I've bled cooling systems and with the V6 systems then tend to overheat on the first start due to the fact you end up with hot air under the thermostat so it doesn't open. Once the majority of the air is out you just top up coolant after every heat cycle but recently I bought one of these when I was working on my boys Subaru and although my old way wasn't bad with one of these it's just piss easy. Top up and let the engine run until hot and it stops bubbling, then let it cool and you are done.
    [​IMG]
    I believe supercheap sell a copy.

    I don't much like the VT-VY V6 cooling system with the expansion tank below the radiator. You need to make sure the hose going down to the tank is clear (if you have had to replace the intake gaskets chances are it's full of gunk) and it can get an airlock in the hose. I take it out of the tank and make sure it's clear, let coolant run through it as I put it back into the tank to purge the air out. I much prefer the older VN-VS expansion tank so it's a simple visual check to ensure the cooling system is full.

    ... and a decent radiator cap, I've found you need a CPC branded radiator cap (genuine is supplied by CPC), the Tridon ones have a different seal and don't work as well on the Holden V6 plastic radiator filler necks.
     
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  18. vxlow

    vxlow New Member

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    Ok thank you think its a slow leak inside the combustion chamber but there's no smoke no water in exhaust doesnt overheat but can anyone tell me what this useless things for its not connected to **** lol
     

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  19. vxlow

    vxlow New Member

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    I have a straight radiator no tank on the left straight radiator iv done a pressure test and it very very slowly goes down but ever so slightly
     
  20. Wozza

    Wozza Well-Known Member

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    NFI....... you will have to follow it back to find out whats on the other end :) ...it could be the trans breather line, but that looks like an air fitting in the end your holding
     
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