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NCT Cert - No values for brake test. Fishy?

  • 19-06-2025 07:10PM
    #1
    rino87
    Registered Users, Registered Users 2 Posts: 3,229 ✭✭✭


    Was just going thru some old NCT certs for one of the cars here. Noticed the brake test on this one. No values, but passed. Something fishy or machine not calibrated?

    1000031854.jpg


Comments

  • #2
    colm_mcm
    Registered Users, Registered Users 2 Posts: 73,327 ✭✭✭✭colm_mcm


    might have a limited slip diff and not suitable for testing on the rollers. They do a test drive on those cases.



  • #3
    User1998
    Registered Users, Registered Users 2 Posts: 10,246 ✭✭✭✭User1998


    4WD?



  • #4
    rino87
    Registered Users, Registered Users 2 Posts: 3,229 ✭✭✭rino87


    https://www.boards.ie/discussion/comment/123561865#Comment_123561865

    Interesting. It's an XC90 Haldex AWD.



  • #5
    BrianD3
    Registered Users, Registered Users 2 Posts: 8,943 ✭✭✭BrianD3


    Might have been tested using an accelerometer - that is/was the procedure for some 4wd cars and cars with limited slip diffs.



  • #6
    colm_mcm
    Registered Users, Registered Users 2 Posts: 73,327 ✭✭✭✭colm_mcm


    They updated the rollers last year or the year before to accommodate AWD cars but the wording on the manual now says

    “Where the brakes cannot be tested on a roller brake tester, due to the design of the vehicle, a road test must be carried out using a decelerometer to evaluate brake efficiency."


    they don’t reference limited slip differential or 4WD/AWD now. But that’s your reason.



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  • #7
    rino87
    Registered Users, Registered Users 2 Posts: 3,229 ✭✭✭rino87


    Thanks folks!!

    Interesting that we have an 05 XC90 here too, and that has values for the brake test.



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