Volvo AWD 850 Forum

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Radio has interference from engine and brakes.... 850 1997

posted by  unggthat on  Sun Feb 24 07:32 CST 2008
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last visit: Thu Mar 6 10:37 CST 2014
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So my radio has an annoying issue of having interference whenever I push the brakes (popping noise) and when the engine revs higher a noise follows it (similar to in-car rally cameras on TV). It ONLY does this on the radio setting, not CD/tape settings. I just replaced the antenna mast (which won't go down the final 4 inches....grrr) but that had no effect. Is it a lost cause to try and fix this noise? Just avoid the radio? How does my 29 year old 242GT have a perfectly good radio and antenna but my 11 year old 850 have issues? Strange.

Thanks for any guesses!

Nate
--
1997 850, 1979 242GT, 1990 740GL








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Radio has interference from engine and brakes.... 850 1997

posted by  Ozark Lee on  Sun Feb 24 09:41 CST 2008
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last visit: Thu Jan 3 22:08 CST 2013
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I'm going to have to dig deep for this one but there was a TSB and a fix that involved adding a ground strap to, I think, the rear hub. Do you have a sedan or a wagon? The antenna system is very different.

...Lee








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Radio has interference from engine and brakes.... 850 1997

posted by  unggthat on  Fri Feb 29 01:53 CST 2008
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last visit: Thu Mar 6 10:37 CST 2014
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I've been trying to figure out what you meant by the rear hub...the wheel hub? Surely something else? Any clarification would be great!

thanks,

Nate
--
1997 850, 1979 242GT, 1990 740GL








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Radio has interference from engine and brakes.... 850 1997

posted by  unggthat on  Sun Feb 24 09:45 CST 2008
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last visit: Thu Mar 6 10:37 CST 2014
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Forgot to mention...it's a sedan (1997). If you have any info, I'd love to hear it! Thanks again,

Nate
--
1997 850, 1979 242GT, 1990 740GL







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