Mechanic Used Wrong Coolant, Slightly Worried!

Discussion in 'Technical Help' started by Wilkeh, Aug 6, 2025 at 6:33 PM.

  1. Wilkeh

    Wilkeh New Member

    Wednesday
    2
    3
    United Kingdom
    Hey folks,

    I'm brand new to the forum and new to motorbike riding! Passed my test 6 weeks ago (age 37) and bought myself a lovely 2014 Street Triple 675 R, I absolutely LOVE it :grinning:

    Just a quick question if that's okay. I've just picked it up from the garage after having two new tyres (Road 6's), an oil & filter change and a full coolant flush. When asked about the coolant I've noticed he's used a non-OAT coolant and everywhere online says it should be OAT, including the manual.

    Should I flush it out again and replace with the OAT stuff? He used this one - https://www.granvilleoil.com/prodInfo?pID=364

    Appreciate any help thanks folks as I daren't ride it currently! :joy:

    (photo of the bike for good measure)

    Bike.jpg
     
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  2. Mark TGR9

    Mark TGR9 Active Member
    Subscriber

    Jun 17, 2025
    105
    43
    Rhuddlan North Wales
    Firstly contact the dealer and note your concerns because any damage that may be caused should directly fall at their door at least they should at no cost to yourself replace the coolant with the specifications recommended or they have a apprentice doing the easy service jobs that is not familiar with the bikes spec's or at least he is a scape goat that will be blamed
     
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  3. ajc400

    ajc400 Senior Member

    Jun 4, 2024
    649
    243
    Glasgow
    Colour coding of coolants is not universal, so it is a bit of a minefield to know you have the right stuff. The main thing is that the coolant should be 'OAT' silicate free coolant. Different types shouldn't be mixed.

    That Sub Zero product does not say silicate free, so personally I'd think it should be drained, flushed and refilled with a silicate free 'OAT' product.

    I went through this whole thing when I wanted something to top up the level on my previous bike, and ended up just using de-ionised water!
     
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  4. Wilkeh

    Wilkeh New Member

    Wednesday
    2
    3
    United Kingdom
    Thanks for the reply folks. It wasn't a main dealer it was just an independent mechanic like. I'm going to drain and flush it myself tomorrow, I've looked at some videos and it doesn't look too complicated I'll flush it with de-ionised water etc and then get the proper OAT stuff
     
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  5. Kinjane

    Kinjane Well-Known Member

    Oct 15, 2017
    303
    63
    Bristol, Land of Enger
    IMHO If it’s a Triumph dealer doing the servicing they should be using Triumph branded products.
    I home service my bikes and carried out numerous system flushes using 10litres of distilled water to ensure all the old coolant was removed before swapping over to the latest D2053 Triumph recommended coolant to avoid any possibility of the incompatible coolant types leading to sludge forming, gallery blockage and engine damage.

    IMG_0696.jpeg
     
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  6. TRIPLE X

    TRIPLE X Senior Member

    Sep 1, 2021
    556
    243
    Norfolk
    I suspect it was not an official Triumph dealer or they would have been obliged to use the recommended D2053 coolant.
     
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  7. joe mc donald

    Subscriber

    Dec 26, 2014
    15,048
    1,000
    slough / burnham
    @Wilkeh Welcome to the family. Like all has said make the dealer correct his stupid mistake. When sorted do tap the upload a file button right corner and let us all see the bike
     
  8. Mark TGR9

    Mark TGR9 Active Member
    Subscriber

    Jun 17, 2025
    105
    43
    Rhuddlan North Wales
    Why go to the expense of doing this yourself it's not your mistake you are in a sense paying twice at least keep the receipt and insist the dealer reimburse you for the coolant and flush
     
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