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Model specific boards => Golf mk5 => Topic started by: trint on 15 April 2008, 18:28

Title: electronic buzzing
Post by: trint on 15 April 2008, 18:28
Howdo all,

Just wondered if an electronic-type buzzing sound is normal (coming from the engine bay) after switching off your ed30/gti's. It only seems to last for about 5 minutes before going out. I do leave the engine running for a minute or so before switching off to let the turbo cool.
Title: Re: electronic buzzing
Post by: Sweeney on 15 April 2008, 18:31
Yes thats perfectly normal, ive been told from various sources that its the coolant pump circulating coolant around (im pretty sure the turbo is cooled by it too? i may be wrong though.

Still a good idea to let the engine idle for a bit after running though of course ;)

You might also notice a buzzing noise when you first open your door after unlocking, this is the fuel pump priming i believe :D
Title: Re: electronic buzzing
Post by: trint on 15 April 2008, 18:42
ahh righty oh, cheers sweeney. I was given a right b****ing as a kid for switching off a heavily worked turbo-ed tractor so idling any engine before switching off has stayed with me.
Title: Re: electronic buzzing
Post by: TagnuT on 15 April 2008, 22:09
Yes thats perfectly normal, ive been told from various sources that its the coolant pump circulating coolant around (im pretty sure the turbo is cooled by it too? i may be wrong though.

Still a good idea to let the engine idle for a bit after running though of course ;)

You might also notice a buzzing noise when you first open your door after unlocking, this is the fuel pump priming i believe :D

Sweeney's post is right. The coolant pump continues working until the temp drops.