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brake problem?

  • 27-09-2011 5:38pm
    #1
    sean1141
    Registered Users, Registered Users 2 Posts: 4,088 ✭✭✭


    I'm getting a rubbing noise when I'm in stop/start traffic. i think it is the brakes on the drivers side. when i touch the brakes when it is making the noise it stops straight away. it only happens in stop start traffic. its like the disk is rubbing at a certain point as it turns. if I'm going fast and touch the brake to slow down a bit i cant hear it.
    it only seems to happen when I'm stopped in traffic. i also noticed that my mpg has dropped. I'm wondering could it be a sized caliper??

    when i changed the disks a while back i lost the little screw that holds the disk in place when the wheel is off. would this have anything thing to do with it? i dont think it would as the wheel and studs should keep it tight to the hub?


Comments

  • #2
    jimmyw
    Registered Users, Registered Users 2 Posts: 3,382 ✭✭✭jimmyw


    Your disk could be warped too.The lost screw might have some bearing on it too.A garage should be able to check the disk.


  • #3
    spockety
    Moderators, Education Moderators Posts: 5,531 Mod ✭✭✭✭spockety


    Sounds like a seized caliper piston or a warped disk.

    I'm not sure on the importance of the disc retaining bolt to be honest, but..

    It's very important that the disk is on flush with the hub etc. Even a small piece of dirt between the disk and the hub can cause serious warping/vibration etc.

    I would probably start with an inspection of your calipers. Undo the bolts and slip them off your discs, inspect the outer seals, is the dust boot damaged etc? Is there any visible rust or pitting on your pistons?

    Take the cap off your fluid reservoir... is it easy to push your piston back in? By hand? With a clamp? Or is it next to impossible? It should slide back into the caliper housing very easily.


  • #4
    sean1141
    Registered Users, Registered Users 2 Posts: 4,088 ✭✭✭sean1141


    cheers. i will try that as soon as i can. i dont think its a warped disk. there is no feedback in the pedal or stearing when you brake heavy.


  • #5
    IrishZeus
    Registered Users, Registered Users 2 Posts: 1,887 ✭✭✭IrishZeus


    Had a problem similar to this recently after getting the pads changed. Took it back to them and they had to grind the rear passenger side pad slightly. Problem solved after that.


  • #6
    sean1141
    Registered Users, Registered Users 2 Posts: 4,088 ✭✭✭sean1141


    got a look at this after. the little countersunk stud that holds the disk in place was sheared off (happened when i was fitting the disks) and i think the disk was slipping up on this with the constant braking in slow moving traffic.


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