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Thread: D2 V8 Coolant Going Missing

  1. 19th December 2014, 01:48 PM #1
    CJT's Avatar
    CJT
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    D2 V8 Coolant Going Missing

    I am after some ideas on what else to look for as to were the coolant is going in the D2.

    It has always used a little bit of coolant, however seems to be going through even more now after some work.

    I recently had the following repalced as they were all cracked and or leaking:
    • Radiator
    • Thermostat
    • All coolant hoses
    The system now runs in a circuit with coolant returning to the resevior tank as designed (this has not been the case previously) and there are no visible leaks that I can now see, however it is still going through excessive coolant.
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  2. 19th December 2014, 01:51 PM #2
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    Eevo
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    i hope im wrong but might be a cracked block
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  3. 19th December 2014, 01:54 PM #3
    CJT's Avatar
    CJT
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    I have unfortunately, been thinking the same thing.

    It still drives fine, so I guess time will tell...

    I will get around to stripping the engine down one day.
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  4. 19th December 2014, 03:15 PM #4
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    JBM770
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    Is the throttle body preheater leaking?
    If its not, may still be a good idea to bypass it.
    James
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  5. 19th December 2014, 06:32 PM #5
    Roverlord off road spares
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    After its hot do you smell coolant around the engine? If so there is an external leak somewhere, it might be a seep. Sometimes hard to see, but the ends of the heads can weep, the coolant drys before it actually drips down further.

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  6. 19th December 2014, 11:34 PM #6
    discorevy
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    Heads or gaskets ? , any milky oil ?, hydraulicking ? building pressure in system even when engine cool?
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  7. 20th December 2014, 06:56 AM #7
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    Pedro_The_Swift
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    try the simple things first,,
    tape an empty coke bottle to the catch tank overflow line,
    get underneath with a torch and look for stains/wetness especially between engine and gearbox,
    "How long since you've visited The Good Oil?"

    '93 V8 Rossi
    '97 to '07. sold.
    '01 V8 D2
    '06 to 10. written off.
    '03 4.6 V8 HSE D2a with Tornado ECM
    '10 to '21
    '16.5 RRS SDV8
    '21 to Infinity and Beyond!

    1988 Isuzu Bus. V10 15L NA Diesel
    Home is where you park it..

    [IMG][/IMG]
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  8. 20th December 2014, 09:21 AM #8
    PhilipA
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    And have a look under your floor mats.
    Regards Philip A
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  9. 20th December 2014, 06:46 PM #9
    Collins
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    Coolant Loss

    Some time ago I had a persistent minor loss of coolant. Eventually tracked it down to a partial fracture of the return line spigot close to the reservoir.
    Replaced reservoir and no longer suffer from coolant loss.
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  10. 20th December 2014, 08:16 PM #10
    Road Stone Guest
    The little hose that runs from the top of the Rad to the expansion tank can weep where it joins the radiator but is hidden by the plastic cowling.


    Worth a look.


    Cheers, Jerry
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