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Model specific boards => Golf mk4 => Topic started by: AntMk3GTi on 26 March 2012, 12:30

Title: Turbo flutter / chatter
Post by: AntMk3GTi on 26 March 2012, 12:30

Hi

Just a quick question, I've recently fitted a new recirculating DV and it seems fine. I was wondering if I had a blocked hose and the DV was stuck closed - causing the air to go back the wrong way and stall the turbo - would the chatter / flutter noise be obviously loud?

I dont want to ruin the turbo, so if it was making this noise would I hear it during normal driving? Or could it be doing it without me noticing?

Thanks

Title: Re: Turbo flutter / chatter
Post by: AntMk3GTi on 26 March 2012, 12:32

Oh yeh sorry ignore my username, car is a 1.8t AUM.

Title: Re: Turbo flutter / chatter
Post by: AD1.8T on 26 March 2012, 12:53

Have you put it on like for like with the old one ? Eg vac hose facing up..... If you have and you put the engine cover on it will fold the hose creating your noise same thing happened to me

Title: Re: Turbo flutter / chatter
Post by: spaced4130 on 26 March 2012, 13:18

You would hear it stalling if it is, if you have standard air box it may be a little harder to hear but you can still hear it quite clearly. Check the vac hoses as the originals go all brital from the heat and can break easily if you haven't replaced them fitting the new dv

Title: Re: Turbo flutter / chatter
Post by: AntMk3GTi on 26 March 2012, 13:54

Yeh I've put it on exactly as the old one was, its a direct replacement Forge 007p. Got standard airbox and paper filter.

 It's silent at the moment which is the same as the old one, but because the Forge DV is a little bit taller than the original one, I was worried that the Vacumm pipe was stretched over the top a bit too much and blocking it off, if you know what I mean .

Just wanted to know if the turbo was stalling because of a blocked pipe that I would definately hear the noise so I'd get some kind of warning.

Title: Re: Turbo flutter / chatter
Post by: jamie16v on 26 March 2012, 14:27

Replace the vac hose that goes on the cap with silicone stuff!

Title: Re: Turbo flutter / chatter
Post by: AntMk3GTi on 26 March 2012, 14:59

I was going to replace the hose with a silicone one but I couldnt get to the clip that holds the other end of the hose at the base!

Title: Re: Turbo flutter / chatter
Post by: jamie16v on 26 March 2012, 16:56

Unclip everything that's in the way  :smiley:

Title: Re: Turbo flutter / chatter
Post by: nolandubholmes on 26 March 2012, 19:31

I have a aum aswel with a 007p mine flutters sometimes but only on part or slight acceleration what spring is in the dv it could be to strong ???

Title: Re: Turbo flutter / chatter
Post by: Wazzzer on 26 March 2012, 19:49

green - standard
yellow - mapped

 :smiley:

Title: Re: Turbo flutter / chatter
Post by: AntMk3GTi on 26 March 2012, 20:37

I haven't changed the spring just fitted it with the one it came with, so I assume it's green. My car hasn't been remapped.

Title: Re: Turbo flutter / chatter
Post by: golf-sib on 27 March 2012, 11:20

Could be the n249 doing its job if its an AUM, you will get chatter as the DV is being forced open and shut as part of the TC .

Just an idea.