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I have this issue with my CX7, when I drive at a regular speed, the car performs very well. Now when I release the gas pedal and brake the car makes no sound until it goes below 20 MPH, then I can hear a metallic pulsating sound coming from the front left side (driver side). I changed the sway bar links and the tie rod ends. I checked the brakes and they seem perfect (shoes are not worn).

Any ideas of what this might be?

Just in case it's not the timing chain, I already changed it.

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    Just because the pads are thick doesn't mean it's not the brakes. Something as simple as a broken or missing retaining clip can cause noise like this. Also, have you thought about the wheel bearing?
    – JPhi1618
    Apr 21 '16 at 14:59
  • I checked the retaining clips, and they are all there, I clean them and re-install them. As for bearing don't you think it will be more like a low tire sound, not metallic clicking.
    – droidtrx3
    Apr 21 '16 at 17:24
  • Sounds like you did a good check tho. From the question I couldn't tell if you really looked at the brakes or just peeked at them with a flashlight. As far as the bearings, sound is very subjective, so I threw out a possibility. If you've heard a bad bearing and really don't think that's it, then that's just adding more information to the post which is great.
    – JPhi1618
    Apr 21 '16 at 17:26
  • I believe the clicking sound does not come from the wheel but from behind the pedals, it will stop as soon as a press the brake and resume when released
    – droidtrx3
    Apr 22 '16 at 0:27
  • Does this sound vary with the tire rotation speed,or any change in pitch to the sound at all? Is it fixed in terms of loudness and car speed(below 20mph)?
    – user16540
    Apr 22 '16 at 1:14

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