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Author Topic: Humming/Buzzing sound under bonnet even when engine turned off.  (Read 2316 times)

Offline Mr Savage

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Humming/Buzzing sound under bonnet even when engine turned off.
« on: 20 February 2012, 20:08 »
Hello all,

I have a Golf MK 5 GT 140 TDI, Just thought i'd have a look under the bonnet to check my screenwash when I pulled up earlier, left the engine running for a minute while I did it to cool off the turbo and then I noticed a gentle hum sound coming from the left of the engine bay. I thought nothing of it but when I turned the engine off the humming/beeping continued for about 10-15 seconds under the bonnet and then the sound just cut out all together.

What is this sound? Electric pumps? My car's already in the garage tomorrow so would be great if anyone has a quick answer if it's something to worry about.

Cheers,
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Offline Mr Savage

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Re: Humming/Buzzing sound under bonnet even when engine turned off.
« Reply #1 on: 21 February 2012, 09:30 »
Sorry to double post but I'm at the garage in 30 mins and could really use some expert advice on this so I don't get cheated!
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Current - MK7 Golf GTI - Tornado Red, 5 Door, DSG, Performance Pack, Dynamic Chasis Control, Panoramic Sunroof, Discover Navigation, Dynaudio.

On Order - MK7 Golf R - Pearlescent Black, 3 Door, DSG, Vienna Leather, Discover Nav Pro, Rear View Camera, High Beam Assist, Keyless Entry, Dynaudio (Tech Pack)

All gone.

Now;

MK7 Golf R - Lapiz Blue, 5 Door, DSG, Carbon Nappa, Discover Nav Pro.

Offline Rhyso

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Re: Humming/Buzzing sound under bonnet even when engine turned off.
« Reply #2 on: 21 February 2012, 09:37 »
I believe its a coolant / oil pump.  Mine makes the same noise and it hasn't blown up yet  :grin: :grin:
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Offline Mr Savage

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Re: Humming/Buzzing sound under bonnet even when engine turned off.
« Reply #3 on: 21 February 2012, 13:37 »
Thank you for the reassurance! Seem to always have something worrying me on my golf. Probably due to finding out the hourly labour charge VW charge!  :sad:
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Current - MK7 Golf GTI - Tornado Red, 5 Door, DSG, Performance Pack, Dynamic Chasis Control, Panoramic Sunroof, Discover Navigation, Dynaudio.

On Order - MK7 Golf R - Pearlescent Black, 3 Door, DSG, Vienna Leather, Discover Nav Pro, Rear View Camera, High Beam Assist, Keyless Entry, Dynaudio (Tech Pack)

All gone.

Now;

MK7 Golf R - Lapiz Blue, 5 Door, DSG, Carbon Nappa, Discover Nav Pro.

Offline Rhyso

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Re: Humming/Buzzing sound under bonnet even when engine turned off.
« Reply #4 on: 21 February 2012, 13:46 »
Quote from: Mr Savage on 21 February 2012, 13:37
Thank you for the reassurance! Seem to always have something worrying me on my golf. Probably due to finding out the hourly labour charge VW charge!  :sad:

Best find yourself a good local independent then :afro:

My car only goes into Audi for anything major; all minor stuff like servicing etc I'll do myself with the help of my mates  :smiley:
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Offline Mr Savage

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Re: Humming/Buzzing sound under bonnet even when engine turned off.
« Reply #5 on: 21 February 2012, 21:43 »
Yeah, think I'll be doing the same! Your located in South Wales & work for Carbon right Rhyso?
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Current - MK7 Golf GTI - Tornado Red, 5 Door, DSG, Performance Pack, Dynamic Chasis Control, Panoramic Sunroof, Discover Navigation, Dynaudio.

On Order - MK7 Golf R - Pearlescent Black, 3 Door, DSG, Vienna Leather, Discover Nav Pro, Rear View Camera, High Beam Assist, Keyless Entry, Dynaudio (Tech Pack)

All gone.

Now;

MK7 Golf R - Lapiz Blue, 5 Door, DSG, Carbon Nappa, Discover Nav Pro.

Offline Rhyso

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Re: Humming/Buzzing sound under bonnet even when engine turned off.
« Reply #6 on: 22 February 2012, 08:05 »
Quote from: Mr Savage on 21 February 2012, 21:43
Yeah, think I'll be doing the same! Your located in South Wales & work for Carbon right Rhyso?

I am indeed and I'm a dealer for Carbon; I trade under my own name of Kinetic Tuning  :smiley:
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