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Thread: Coolant.

  1. #11
    Join Date
    Apr 2008
    Location
    Brisbane,some of the time.
    Posts
    12,272
    Quote Originally Posted by Pedro_The_Swift View Post
    A tech at Pacific LR said two litres of water is fine.

    I'd like to drain it all out but how and where is the issue.


    Does the compacted graphite iron block extend to the heads? and do they rust?
    I would also have thought 2L isn't a worry coolant concentration wise,unless i was in Tasmania this time of the year,where there is a chance of freezing the coolant.

    Grab a torch and small mirror,and have a good look over the engine with the cover off,first thing in the morning when it is cold,for any weeping or signs of s coolant leak.

    I doubt there is an issue with the block or head,well there could be but you would have to be very,very unlucky.
    More then likely if there is a leak,it is a gasket,hose or fitting.
    Some also have some plastic parts of the cooling system that can also be an issue.
    Paul

    D2,D2,D2a,D4,'09 Defender 110(sons), all moved on.

    '56 S1,been in the family since...'56
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  2. #12
    Join Date
    Apr 2010
    Location
    Gosford, NSW
    Posts
    327
    Both Radicool SF-0 and Radicool SF are monoethylene glycol based, according to their product sheets. They (castrol) recommend full flush before swapping from one to the other.
    You could try calling your friendliest dealer and ask what they would use?
    RRS SE SDV6 with Dynamic MY15.5 Yulong White, with LLAMS

  3. #13
    Join Date
    Jan 1970
    Location
    NSW SW Slopes
    Posts
    10,916
    Quote Originally Posted by Pedro_The_Swift View Post
    is the oil cooler water cooled? remember I had the oil cooler gasket replaced recently...
    Yes, the oil cooler is water cooled so some air could have been trapped when refilling.

    These engines have a couple of push-on coolant connections that use a smallish o-ring as the seal. Time is catching up with the L322 engines requiring new o-rings but yours shouldn't be needing them yet.
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

  4. #14
    Join Date
    Feb 2007
    Location
    Yass NSW
    Posts
    5,313
    Mine has lost a little coolant over the time that I have had it, I've topped up about a litre with the "universal" top up made by Nylon. Yes, Castrol still do make test strips, available from Repco

    Regards,
    Tote
    Go home, your igloo is on fire....
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    Assorted Falcons and Jeeps.....

  5. #15
    Join Date
    May 2003
    Location
    On The Road
    Posts
    29,217
    Quote Originally Posted by Graeme View Post
    Yes, the oil cooler is water cooled so some air could have been trapped when refilling.

    These engines have a couple of push-on coolant connections that use a smallish o-ring as the seal. Time is catching up with the L322 engines requiring new o-rings but yours shouldn't be needing them yet.
    Yes Graeme, I have talked to Justin about all this and he recommends the replacement of the entire cooler, at the very minimum new viton(?) orings.
    I have the aftermarket part numbers, he is very thorough is our Justin...
    "How long since you've visited The Good Oil?"

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  6. #16
    Join Date
    Jan 1970
    Location
    NSW SW Slopes
    Posts
    10,916
    Justin may be referring to the 2 o-rings on the turbo oil feed pipe that fits into the rear of the cooler as the originals don't last well whereas the higher temperature Viton o-rings should and LR don't supply the o-rings as spare parts anyway. Replacing the cooler assembly when its gaskets leak is quicker so cheaper labour costs for the owner and ensures that a warped or split cooler isn't refitted, not that they are prone to warping or splitting.
    The o-ring inside the coolant fitting appears to last much longer than those on the oil pipe but again LR don't supply it as a spare part.
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

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