u/ForceOf6

▲ 4 r/C30

Clicking/Crunchy noise on accel / decel - driving me crazy

'11 C30 T5 R-design with 160K miles on the clock. I've experienced this noise for a LONG time and it's getting worse. Details include:

  • 1-3 Crunch/click noise that happens on acceleration and deceleration (when going from one to the other)
  • Also will make the noise when the automatic trans shifts
  • Replaced passenger side axle 14 months ago with a GKN unit (reman). Driver side was leaking a couple months ago and replaced with GKN.
    • The noise is not worse when the steering wheel is engaged sharply or in reverse which makes me think it's not CV axles
    • However, the noise is worse when it's hot outside. When it's below freezing the noise can disappear (this seems to indicate cv axles?)
  • I replaced the torque mount with a OEM Ford C-Max solid bushing about 18 months ago
  • Installed IPD's anti-ping axle nuts TODAY and made no difference
  • 2 engine mounts were replaced and installed poly inserts
  • The control arm bushings appear to be OK. I've torqued on the wheel when it's up in the air and I'm not seeing any movement.
  • I took it to an indy Volvo shop a couple years ago and they couldn't track it down because it was cold and not really making the noise.

I'm at a loss. Anything you would suggest I check?

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u/ForceOf6 — 12 days ago