--ToM--
Member
Registered: 23rd Nov 07
Location: Wirral
User status: Offline
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Put a baileys dump valve on my c20let blanked the standard recirc one off but the baileys one still makes no noise I just get chatter back through the air filter any ideas?
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monkeytwizzel
Member
Registered: 10th Aug 11
Location: Chard, Somerset
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Diaphram,single or twin piston type?Is the vacuum source reliable?
The chatter that you are hearing would be the wastegate when gets equal pressure/vacuum at both sides and just lifting off it`s seat.
My rover 620ti did it lots when i fitted a twin piston dv.
[Edited on 29-06-2013 by monkeytwizzel]
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--ToM--
Member
Registered: 23rd Nov 07
Location: Wirral
User status: Offline
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Yeah mate it's a twin piston because I was told it won't idle with a single piston
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IvIarkgraham
Premium Member
Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
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baileys are no good. they make drinks
try a bailey one
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monkeytwizzel
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Registered: 10th Aug 11
Location: Chard, Somerset
User status: Offline
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 But would be nice if you could offer the guy productive info also.
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Brett
Premium Member
Registered: 16th Dec 02
Location: Manchester
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Sounds like it's not opening to release the pressure. Either the vac isn't working or the spring is way too strong I guess? I would've thought the noise was the compressor stall also, which isn't a good thing.
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--ToM--
Member
Registered: 23rd Nov 07
Location: Wirral
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Won't be able to offer me no such helpful advice as he's probably never owned a turbo car plus being fr ellsmere port I wouldn't believe anything that came out his mouth anyway
Iv tested the vacuum and its got a good supply next step is to check spring? And also how do I get rid of compressor stall? I only fitted a dump valve because I was told chatter isn't good for the turbo but if its not going to work I might just plumb the standard recirc back in
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Brett
Premium Member
Registered: 16th Dec 02
Location: Manchester
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Maybe get a pic up of how you've fitted it?
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--ToM--
Member
Registered: 23rd Nov 07
Location: Wirral
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Ill take one tommorow mate basically iv fitted a 3 inch t piece in front of the throttle body with the dump valve on it like you see most, and the vacuum pipe is t pieced into the one that goes to the FPR under the big turbo plastic cover by fuel rail, iv blanked the recirc diafram off with a few washers like it says on the guide on migweb
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IvIarkgraham
Premium Member
Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
User status: Offline
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quote:
Originally posted by --ToM--
Won't be able to offer me no such helpful advice as he's probably never owned a turbo car plus being fr ellsmere port I wouldn't believe anything that came out his mouth anyway
Iv tested the vacuum and its got a good supply next step is to check spring? And also how do I get rid of compressor stall? I only fitted a dump valve because I was told chatter isn't good for the turbo but if its not going to work I might just plumb the standard recirc back in
why does not owning a turbo instantly give me no knowledge of turbo's/dv's?
it seems I already know more than you because you dont even know the make of a dump valve you own
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--ToM--
Member
Registered: 23rd Nov 07
Location: Wirral
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Clearly do know the make you bellend it's auto correct on my phone you were trying to be funny and score Internet points unless you have an answer that's of any use to me anyone can clearly know what I meant your just being an arse for no reason , so unless you have something useful to say in the most politest way possible .... Fuck off
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--ToM--
Member
Registered: 23rd Nov 07
Location: Wirral
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And before you start with the lack of knowledge shite I work in a garage and have done for years and have plenty of mechanical knowledge iv fitted the dump valve as I would any other but it's not right so was asking if anyone on here could point me in the right direction incase that had had a similar experience etc not for smart arse useless comments, which is also why I posted in the help zone not the cocky twat zone
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IvIarkgraham
Premium Member
Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
User status: Offline
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soz i'll go buy a turbo car now and come back in 6 months when I have a full knowledge of how it works
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monkeytwizzel
Member
Registered: 10th Aug 11
Location: Chard, Somerset
User status: Offline
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Wastegate chatter probably isn`t a good thing your right,have you tried adjusting the actuator rod so it holds closed i little bit tighter or try a different actuator/actuator spring.
As for atmos type dump valve not working if it is all plumbed in correctly and in good condition there is no reason for it not to.
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Brett
Premium Member
Registered: 16th Dec 02
Location: Manchester
User status: Offline
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It was working fine with the recirc, why would he need to start adjusting things like that?
I'm fairly certain the sound will be the compressor stalling when the pressure isn't vented and it tries to come to a sudden halt, like so
http://www.youtube.com/watch?v=Th5uDe5fmGQ
If you read the comments on the video also, a lot of people agree and extinguish the "wastegate chatter" thing.
I suspect the problem here is likely down to fitment, assuming the DV functions correctly.
[Edited on 04-07-2013 by Brett]
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monkeytwizzel
Member
Registered: 10th Aug 11
Location: Chard, Somerset
User status: Offline
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My wastegate used to chatter badly on it`s standard recirc type and on the atmos one but when the actuator was replaced for an uprated forge one it stop chattering.I was just lucky that mine was caused by a weak spring and venting to atmos instead of the intake side of the housing made it worse.
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Brett
Premium Member
Registered: 16th Dec 02
Location: Manchester
User status: Offline
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http://en.wikipedia.org/wiki/Wastegate#Wastegate_chatter_myth
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