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Help!!!! leaking coolant at the back of the motor?

Discussion in 'VE Holden Commodore (2006 - 2013)' started by Tomika, Nov 27, 2018.

  1. Tomika

    Tomika New Member

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    hey, i have a 08 ve holden omega, my cars been using minimal coolant couldnt find any leaks tho, but i recently took it on 800km trip and noticed leaking from the back of the motor but cant actually tell where its coming from, it not over heating or anything drives fine! just using coolant when it shouldnt be !
    HEELLLLPPPPPPP!!!!
     

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  2. ChRiDDa

    ChRiDDa Active Member

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    Look at the 2 heater hoses at the rear of the engine on the drivers side

    Failing that, could be that your thermostat housing is leaking
     
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  3. stick3

    stick3 Active Member

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    common problem with the alloytecs thermostat housing leaking it just in a bad location this is youtube vid of a vz
     
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  4. gohrdrgomad

    gohrdrgomad Active Member

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    looks like you need to help yourself....
     
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  5. VTS5

    VTS5 TechJunkie

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    This is what you dealing with. Good luck.
    You got 3 different way to tackle this.
    1...Have to pull top half of the engine out (inlet manifold, injector rail etc. etc.)
    2...Have to separate the tranny from the engine,
    3...Take car to your trusted pro.
     

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  6. Tomika

    Tomika New Member

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    thanks for ur replies guys ive tried to post actual photos of where the coolant coming from the back at the top of the motor but it wont let me !!
     
  7. Tomika

    Tomika New Member

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    .
     

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  8. Tomika

    Tomika New Member

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    Hi guys!!!!!
    my mechanic replaced the thermostat n housing and im sure it still leaking when i take my radiator cap of there is lose of coolant but not much?
    any ideas ??
     
  9. Bonus

    Bonus Member

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    Keep topping it up, as the system may still have small pokets of air that are bleeding out
     
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  10. Sabbath'

    Sabbath' Redblock Jesus

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    Get your mechanic to pressure test it again.
     
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  11. stick3

    stick3 Active Member

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    we had the same problem with the vz it leaked coolant after the thermostat housing was replaced so took it back to the mechanic
    he just re tighten the bolts he said if it still leaked he would have to replace a gasket which it didn t that was 7-8 years ago
     
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  12. RiCeY

    RiCeY F O R U M W A R R I O R

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    Guarantee you its the spout seals at the front of the engine. They leak coolant into the valley which runs down the back of the motor. VZ alloytec water inlet_zps9sdrkmh2.jpg
     
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  13. Tomika

    Tomika New Member

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    hi guys ive had the thermostat housing replace as use know, i also have my water pump replaced and my water inlet rubbers replaced, still low coolant but not too low, my mechanic reckon its normal for the VE's coolant to sut low, is that true ? i dont wanna stuff my friggan car
     
  14. stick3

    stick3 Active Member

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    you should see coolant when you unscrew the cap
     
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  15. Bonus

    Bonus Member

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    Keep filling it - there will be small pockets of air that keep bleeding out due to having so many items replaced.
    When I did my thermostat recently, it took me a week to get the system completely full again
     
  16. Tomika

    Tomika New Member

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    okay then thank!! ill keep n eye on it nd let yas know how it goes
     
  17. Tomika

    Tomika New Member

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    HI GUYS !!
    Another questinon?
    ive noticed a noise (knocking type) in the front end when driving, 5okms per hr or when i hit little bumps at a slow speed? i dont really hear it driving at a faster speed.. it sounds like it at the drivers side, and ideas on what it could be????
     
  18. Bonus

    Bonus Member

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    More than likely strut mounts are knackered - easy fix tho.
     
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  19. VTS5

    VTS5 TechJunkie

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    Check your link pins, both sides.
     
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  20. coolash

    coolash New Member

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    i have the same problem with my alloytech water leaking in to the valley have replaced thermostat housing and o rings etc and also front inlet seal and o ring but still water leaking down back of motor could be head gasket but i haven't heard of this happening any help would be great
     

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