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  1. Focus ST Maintenance
    I recently replaced my driver side transmission mount with an OE (Anchor Brand) replacement from Rockauto and now there is a metallic rattling noise when I slowly let off the clutch and shift at low speed. The noise is much more frequent and intense when the car is cold. The top of my Injen...
  2. Focus ST Discussions
    I just wanted to make a quick post in case anyone is losing their minds like I was trying to find the source of where the damn noise was coming from. I was having a rattling/crackling type sound from the rear at highway speeds and when I would be under the giant dryers going through the car...
  3. Focus ST Discussions
    Any have any suggestions on what this may be? its almost like a crackling sound almost like plastic is rubbing together. I cannot for the life of me figure out where it's coming from. Any help would be mucho appreciated. Thanks!
  4. Focus ST Discussions
    Hello everyone, my focus st 2.0 ecoboost 2017 makes a metallic whistle / dragging / rattling noise (it sounds like a noise similar to the pads rubbing on the rotors) between 3000 and 2500 rpm in gas release, both in neutral and in movement. The strange thing is that the noise occurs only after...
  5. Focus ST Maintenance
    Hey all, So I am on my way to work and all of a sudden there is a sound when under acceleration coming from my engine bay. I can't feel it, there is no car shake, but I hear an extremely loud clanging sound that climbs with the RPMs. This happens while in gear or neutral, clutch engaged or not...
  6. Focus ST Discussions
    Hi I have a 2018 Focus ST and a few months ago I started hearing a metallic rattle sound underneath when I coast in any gear or decelerate. It’s loud but not too loud and only happens when I coast, it doesn’t happen on throttle. I have a Cobb Catback Exhaust and had it for almost two years now...
  7. Focus ST Maintenance
    Hello everyone! I recently bought my 2015 ST when I purchased it the owner provided me with the original clutch. he installed a ACT performance clutch (what the box says) and he said the rattle noise is normal with the upgraded clutch. I’ve also read here on the forum you can’t have a clutch...
  8. Focus ST Discussions
    Last winter I started noticing an engine RPM dependent rattle when the temperatures got into the 30's (Fahrenheit). Seems to be air temperature related more than engine temperature related. Searched and read a few posts relating to engine temperature related rattles, but they don't seem to...
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