Vehicle & Technical > Discovery

when does your abs light turn off

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CNorman:
You cant perform the test on a rolling road can you because you have to check the operation of the handbrake and as it is operated via the tranmission the landy would take off! Litirally, and it has been know to happen in the past.

stageonesimmo:
Only if the diff-lock is engaged......................

Range Rover Blues:
No the handbrake has to be checked one wheel at a time like the service brake.  The MOT requires only that the tester satisfy himself that the brakes function correctly, my local garage used to park it on a slope.

stageonesimmo:
We've been through a spate of them failing on imbalance of all things - must be the larger amount of twist in the long half-shaft showing up in the results - We just sign them off as a pass if the overall figure is above the 25% needed...........

You'd think the RBT would be clever enough to know that the LR has a transmission brake and so in theory there should be no imbalance   :roll:

Range Rover Blues:
It could also be the inbalance of weight across the back axle, mine always locks up on the test because it can't grip the rollers.

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