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Noise after switching offViews : 605 Replies : 3Users Viewing This Thread : |
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Oct 27th, 2018, 01:08 | #1 |
New Member
Last Online: Sep 4th, 2019 10:31
Join Date: Oct 2018
Location: Exeter
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Noise after switching off
Hello
I notice this most at night, but I don't think it's exclusively then - just quieter environment. When I have turned my car off there's a clearly audible continuous tone coming from under the bonnet. Several times I've thought a nearby shop has had a break in - that constant "beep" tone (solid tone, not beeping, but sounds electrical to me). I've searched through forums and haven't seen anything that describes it exactly. Any ideas? Cheers 63 plate V40 D4 XC Lux Nav |
Oct 28th, 2018, 12:57 | #2 |
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Last Online: Today 12:30
Join Date: Dec 2013
Location: Dorset
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When I put the V40 in the garage at night and turn off the engine I have noticed a slight electrical type humming noise which lasts for a minute or so coming from under the bonnet. I think its probably just the electrical systems powering down.
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Oct 28th, 2018, 16:54 | #3 |
SilverBrick Lives!
Last Online: May 7th, 2024 12:24
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Location: Poynton, Cheshire
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My Mazda 2 makes a high pitched buzz and a click a little after shut down, I think it is the throttle staying open to let the fumes out of the inlet manifold. something to do with pollution, iirc.
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Oct 31st, 2018, 12:48 | #4 |
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Last Online: Aug 26th, 2019 10:17
Join Date: Aug 2014
Location: Knutsford
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My old S40 used to emit noises from under the bonnet after switch off, sounded like a quiet cow mooing, we decided that it was flaps and vents etc powering down.
My V40 D2 makes similar quieter noises sometimes when switched off in the garage after driving home from work. Both cars use the same 1.6 diesel engine. |
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