Question about Hyundai Motor 2003 Sonata

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Knocking on pedal when braking

Hyundai trajet 03 plate 2l deisel, when I brake the brake petal knock brakes fine could it be warp on disc happens more often had pads do 1000 miles ago but getting worse

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  • Eric kaiser May 11, 2010

    you are correct the most likely cause is the rotors are warpped and should be replaced where the rotors machined when the pads were replaced?

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I have same prob but mines diesel 02 .
it's the abs rings get them for about £17 hyundai say they dont do them you have to get complete unit drive shafts comes as 1 ,approx £350
i thought mine was the disc's but very rare, abs rings 100%

Posted on Feb 03, 2010

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Sounds like the switch is faulty or has been knocked out of place. Check at the pedal itself, get down and look for the switch, it will be the push type. When you press the pedal down you will see a switch being released, this is the thing controlling the brake lights. Hope this is helpful.

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3 Answers

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If this information is helpful please give me a good rating Thanks,Randy
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