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knocking sound in a renault scenic

  • 07-11-2012 11:14PM
    #1
    jamescc
    Registered Users, Registered Users 2 Posts: 395 ✭✭


    i just went and got a renault scenic from a guy.
    since i have got it i have noticed a knocking sound from the back when i put my foot on the break.
    the noise seems to go round in a circle knocking in a certain spot every time till i release the break. he told me that it was rust on the wheels.

    Also i have noticed a knocking sound when going over bumps it knocks in the front.

    any ideas what it could be.


Comments

  • #2
    paultronix
    Registered Users, Registered Users 2 Posts: 150 ✭✭paultronix


    possibly a loose exhaust,best to get it on a lift to inspect further.


  • #3
    YouThere
    Registered Users, Registered Users 2 Posts: 36 ✭YouThere


    >> Also i have noticed a knocking sound when going over bumps it knocks in the front.

    Perhaps wrong time of year for this theory - but I'll share anyway.

    Last winter (or was it the one before!) the bottom two rings of the front coil springs on our Scenic got wedged tight with caked muck/salt/sand and caused a knocking over bumps - even at very low speed. The springs couldn't compress at all. Chopped at it with a screwdriver - cleaned it out - felt like a new car afterwards.

    hth


  • #4
    Esel
    Registered Users, Registered Users 2 Posts: 23,706 ✭✭✭✭Esel
    Not Your Ornery Onager


    The knocking in the front might be due to perished drop link bushes?

    Not your ornery onager



  • #5
    jamescc
    Registered Users, Registered Users 2 Posts: 395 ✭✭jamescc


    had the car in garage service done on it. it is running a lot better. the exhaust front box needs replacing (does anyone know how much it will cost) so that might be causing the knocking in the front of the car. i steamed washed the car, and the knocking sound when the break pedal was pressed has gone.
    just another question can the clutch cable be tightened or not.


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