Question about 1999 Ford Mondeo
Lots and lots of things can do this. I would recommend having the knocking sound investigated as the main concern, possibly by a good front-end shop. It could be a c-v joint or bad hub bearing which can allow a wobble in the front brake rotors. This would allow what you call a "judder".
Sometimes rust can form on the brake rotors while the car is parked. This is a weather related problem and if rust is the cause it can wear off to a smooth surface with driving. But a badly pitted rotor will need resurfacing or replacing. It can produce a scuffing sound, but not a knock.
Posted on Mar 28, 2014
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Posted on Jan 02, 2017
Is the piston sticking in the caliper or is the caliper sticking on the outside slides preventing it from moving to the disc?
Posted on Aug 31, 2009
Just observe how you take the old ones off. Pads can only snap in one way. It may take some effort but clean the caliper of rust you shouldn't have any problem. Remember to crack open your brake fluid reservoir before compressing the caliper!
Posted on Mar 30, 2009
Yes, the rotors need to be turned, or replaced depending on if they are warped. The brakes may need to be changed, they may have grooves worn into them from the judder you feel.
Posted on May 03, 2010
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sounds like your brake rotors may need checked for warps or deep cuts. The brakes could be crystallized, this usually happens when you go through water and it cools them down so fast that they hardened up.
Posted on Jun 17, 2010
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