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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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Audio noise since glow plugs replacedViews : 371 Replies : 4Users Viewing This Thread : |
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Jan 19th, 2020, 16:48 | #1 |
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Audio noise since glow plugs replaced
Yesterday I replaced my glow plugs on my ‘07 V50 2.0d, but now car seems to have developed a whining noise through speakers when accelerating. Doesn’t matter if radio on or not.
Any ideas? Thanks. |
Jan 19th, 2020, 17:40 | #2 | |
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Quote:
Retrace the steps you used when renewing the glow plugs and see if you can spot anything you maybe accidentally broke or forgot to refit. Usually the suppressor on the alternator goes between earth and the B+ output so if you've inadvertently refitted the tag end of it to say the W terminal, it won't be suppressing the noise that will cause the whine through the speakers. Alternatively it could be an entirely separate fault that just happened to occur at the time.
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Jan 20th, 2020, 07:02 | #3 |
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Cheers Dave, I didn’t touch anything on the alternator, just had the EGR valve and cooler removed to gain access to the plugs.
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Jan 20th, 2020, 09:34 | #4 | |
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Quote:
the reason I ask is that, I can deliberately get what you describe with a certain aux cable plugged in, but no device. It seems to pick up induction from somewhere. this is only with stereo on Aux tho |
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Jan 20th, 2020, 09:48 | #5 |
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Still worth retracing your steps though, just in case there's something you dodn't notice.
May not be on the alternator, could be somewhere near it or as i also suggested, something totally unrelated.
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