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Correct Antifreeze to Water Ratio

  • 26-10-2011 2:16pm
    #1
    Woofstuff
    Closed Accounts Posts: 239 ✭✭


    Ok i got a garage to change the coolant with the stuff i bought. but now im not happy with the amount of antifreeze they used.. i thought a 50/50 mix was used....

    According to the manual the car holds 4.2litres of coolant including 0.6 in the reserve tank...

    Judging by the levels left in the 5litre containers they used about 1.2litres of antifreeze and 3 litres of the ionized water (photos below - taken on a shed shelf so should be level)

    Thats a mixture of 28.6/71.4... 1.2litres/4.2litres total = 28.6%.... surely they should of used more antifreeze than this...

    I didnt bother specifying a mixture when i left the car in as i assumed theyd get the mix right.

    Now should i ring these guys or not? or could just add a bit of antifreeze?

    6282764063_e41143ebbd_z.jpg
    IMG_20111026_145007 by woofstuff2, on Flickr

    6282764573_b0ef4642c9_z.jpg
    IMG_20111026_145034 by woofstuff2, on Flickr


Comments

  • #2
    Woofstuff
    Closed Accounts Posts: 239 ✭✭Woofstuff


    I put the antifreeze on the kitchen table and its suggests theres 3.6litres left in it,, so if they used 1.4litres of antifreeze thats a 33% mix 1.4/4.2

    well i got this info from a brochure about the particular antifreeze i used

    PROTECTION LEVELS / DILUTION CHART

    Xstream® G48® (%) Approx. Protection (°C)
    33%.........................-18C
    50%........................ -36C
    60%......................... -52C

    So im guessing its fine since the lowest the lowest air temperature recorded was -19.1°C measured at Markree Castle, Co. Sligo on 16th January 1881 according to this site :pac: http://www.met.ie/climate/temperature.asp

    so ive all this antifreeze left over... will it still be good when it comes to changing the coolant in 3years time or will i give it to someone else. (assuming i still have the car then haha)

    It says shelf life of 5 years... but if you open the bottle does this change things??


  • #3
    Richie1991
    Registered Users, Registered Users 2 Posts: 51 ✭✭Richie1991


    if you go to any garage they have a tool to suck the antifreeze from your car and it will show what degrees it can stand, 2 much anti freeze is bad


  • #4
    Woofstuff
    Closed Accounts Posts: 239 ✭✭Woofstuff


    Richie1991 wrote: »
    if you go to any garage they have a tool to suck the antifreeze from your car and it will show what degrees it can stand, 2 much anti freeze is bad

    why would 50% antifreeze be bad if the antifreeze manufacturer is giving guidlines up to 60% mix


  • #5
    Richie1991
    Registered Users, Registered Users 2 Posts: 51 ✭✭Richie1991


    60% is probaly fine but it varies for different cars, i just ask a friend to test the mixture, mine can stand -30 degrees but anything more is bad for the car


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