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Knock From Front Of Car


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#31 artscot79

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Posted 07 October 2012 - 07:49 AM

check the back of the disks for a lip or scoring clear sign of a lazy piston

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#32 penta72

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Posted 07 October 2012 - 08:35 AM

I will have a check again but can't see it being that as mine does have abs or ever had a hard or soft brake petal , knocks all the time when in neutral free wheeling or in gear driving along braking and not even touching the pedals free wheeling again , am proper stumped - thanks for your reply by the way .....hopefully I'll find it before I throw in the towel and get rid , shame as mine only got 67k on the clock with many years of life left but totally frustrated with the knocking from both front sides of the car .....

#33 penta72

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Posted 07 October 2012 - 08:37 AM

Doesn't have abs that was meant to say , sorry.

#34 artscot79

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Posted 07 October 2012 - 08:45 AM

your issue sounds like front droplinks or front anti roll bar bushes

#35 ChrisH

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Posted 12 March 2013 - 02:00 PM

Sorry to ressurect, just wanted to feedback on eventual solution to this....  Noise actually went away on its own, so I put it down to a sticky piston, that had finally moved beyond the sticky bit. Recently as I have previously posted had issues with the handbrake, and the car started to make this noise again, and after investigation, we found that the whole issue was due to a faulty rear caliper, that was only fitted June last year. It seems that its not been pulling the handbrake on properly, and the pads were unevenly worn as well. (Probably what was causing the clunk). This however has stretched the N/S handbrake cable, as this is the only one that was doing anything.  So we have had to fit a new rear caliper (under warrenty thank god), and its going in to local garage this week for a new handbrake cable, as it really needs ramps to do this.  Hopefully that will be it, as since fitting the new calpier, no brake clunk now.

garage also sorting the injector seal at the same time.

 

We live and learn, but thanks for the advice everyone.  hope this solution helps someone else.....



#36 artscot79

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Posted 12 March 2013 - 05:50 PM

mine went away and hasnt returned in 4 months or so i did have new pistons fitted to the rear drums so it ties in with what you say ill know if it returns to have the rears looked at

#37 wase16ll

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Posted 13 March 2013 - 12:31 AM

i know your sorted now, but just a heads up

had a similar problem on a vw, turned out to be the brake pads were moving within the caliper, took me forever to pin down as looking and feeling by hand you only got a miniscule amount of movement, but made a quite audible but inconsistant, knock...cured it by fitting a different brand of pads, which were that little bit more of a snug fit.....just wondering if the cure you found was inadvertantly down to just changing brand of pad.

#38 artscot79

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Posted 13 March 2013 - 12:36 PM

ford did mention some types or brands of paad have been the cause in the past but i had original ford then mintex and it was the same with both but it is always a possibility



#39 ChrisH

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Posted 13 March 2013 - 05:23 PM

Pads i have in now are not ford, i think they are girling, but they are the same brand as the last lot.....

#40 artscot79

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Posted 13 March 2013 - 05:29 PM

Strangely warranty direct told me that 47% of all claims are front or rear suspension related on the focus 31% are knocks etc the dealers cannot diagnose a common knock from the mk2 and ive done a few now is the heatshield that goes from the lower bulkhead slap bang in the centre to under the car that sounds like its coming from the suspension but it isnt

#41 andymac1

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Posted 29 April 2013 - 11:50 PM

Never found where my knocking noise when I brake is coming from, it still does it, checked everything I could think of, passed the mot ok so not a safety issue, just annoying.



#42 hangover

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Posted 09 May 2013 - 02:22 AM

i have had the same problems

and all i had done was to change the anti-roll bar link arms

and the knocking stoped

you could try it

kev



#43 andymac1

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Posted 15 May 2013 - 05:14 PM

I'll have a look next time I'm under the car, checked everything I could think of last time for any play and none was found.



#44 hangover

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Posted 15 May 2013 - 10:46 PM

that was one thing i found to when i got hold of the bar i to could not feel and play in them



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