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C30 / S40 & V50 '04-'12 / C70 '06-'13 General Forum for the P1-platform C30 / S40 / V50 / C70 models |
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C30 gearbox/drivetrain harmonicViews : 310 Replies : 1Users Viewing This Thread : |
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Jul 24th, 2021, 18:06 | #1 |
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C30 gearbox/drivetrain harmonic
My 2009 C30 DRIVe 1.6 diesel (5 speed) has done 73k miles and has been trouble-free in the 18 months I've owned it. After being laid up for 6 weeks, I took it for a 40-mile run, but after about 18 miles it suddenly developed what I would describe as a 'harmonic' - most noticeable (almost a rumble) in 2nd gear, less noticeable but in a higher 'key' in 3rd gear, very high pitched and much less noticeable in 4th, and not discernable at all in 5th gear (I couldn't pick it olut in 1st gear, but that's pretty noisy anyway).
Does anyone have any experience of this or know what it might be? Thanks. |
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