woodz77

right , before i start , yes this is a thick question but you only learn by asking lol
does my 1998 Sreg golf turbo 1.8t have a recirc valve on it ? id guess yes cos i read about the standard recirc valve failing etc and being crap .
right , ive always had a dump valve on all my old escort turbos etc . just a simple pptttsssshhh
then i learnt about the noise called "chatter" ?
my last turbod car was a scooby and it chatted like fook and had a dump valve of some kind on it .
now on the golf i can here a very faint "chatter" like sound at the moment. what makes this noise ?is it just the wastegate or is it the recirculating valve doing something .
my next question is whats the difference in noise with a dump valve and a recirculating valve ?
basically i want the chatter louder . am i right in thinking a BOV sounds like chatter ?

im gonna get an induction kit next week .

any info about this would be appreiciated , cos i dont really just want the pptttsssshhh from a dump valve , id prefer the chatter !

SapphyMike

DO NOT REMOVE THE RECIRC VALVE!

you will get an N249 Valve error logged on your ECU and you will also damage your turbo.

The K03 is TINY compared to a T3 etc.

The reason you are getting chatter is because your recirc valve is broken. you need a new one.

If you fit an induction kit, and keep the recirc valve, you will get the ptsssssh noise.

a vent to atmos dumpvalve is no good on these cars either as it can cause poor running.

Oranoco

As per above mate.

You need to use a recirc valve on these engines. The Forge 007 jobbie is what I use and it doe sthe job. Be careful with any oiled air filters as the oil coats the MAF wire and causes problems. Nothing some electrical contact cleaner can't cure though

jock05

A recirculating one will be quiter than a dump valve. But as mentioned get a Forge 007 for the 1.8T. Chatter is turbo stall.

Adam.

fitted pipercross cone to missus 1.8t, the waste gate chatter sounded lush! but it guzzled so much more fuel, so much we removed it!

woodz77

all right mate . forgot you had the audi or id have asked you about this lol . does it sound any different after fitting that 007 ?

what i dont get is why people change the recirc valves to these 007 valves if they make no noise ? and how do you know if you need to change the recirc valve ?

why is the recirc valve broken if i can here chatter ? is it the recirc valve making this noise ??

woodz77

was it just the normal cone filter or was it one of them sealed unit things like the carbonia ones?

i just want a loud one

SapphyMike

The recirc isnt doing its job.

its made of plastic. the 007 valves are piston valves. the standard one splits. usually with more boost.

it wont sound different at all. you will get a ptsh with an open filter.

woodz77

will the car drive any better if i replace the recirc valve ? it seems ok at the moment ?

so i should buy as new recirc valve and then a good air filter ? then will it sound a bit better ?

Adam.

just an normal cone filter mate, as said the chatter sounded lush, but i would prefer not to have the chatter and have an healthier fuel guage, and i mean it DRANK fuel!!!

woodz77

just looked on ebay and found the forge 007 recirc valve for £83 del . but then i found this one http://cgi.ebay.co.uk/SUBARU-IMPREZA...1%7C240%3A1318 . now i know it says dump valve but it looks exactly the same as a 007 recirc valve ? it dont look like the normal dump valve you get , but it looks the same as the recirc valve ive got as standard?

is it different inside ?

SAPPHYMIKE . you said mines broke and not doing its job , but how can i check ? i dont want to go and spend £80 on a valve that sounds no different than standard but if mines faulty then i will buy it . just wanted to know how you knew ? and is the dump valve in the link any good or defo not ?

Dicko&Vacant

iTrader: (3)

loads of people do the n249 bypass btw.

Sarah

woodz77

whats that ?

mines an early golf with the AGU engine ,which ive been told should be ok with a dump valve cos of only having a sensor one side of the MAF ?

SapphyMike

bypassing the n249 is ok, but you cant just block it off else it errors.

the n249 controls the recirc valve.

you can try putting a normal valve on and see how it goes.

a recirc valve is never going to make a noise in a closed induction system - the standard valve a cossie uses is a recirc one.

Its chattering because there is a fault - it shouldnt chatter.. the longer you leave it, the more damage is likely to be caused to the turbo.

you could get a standard valve and it'll be ok.

woodz77

right i understand now . so as long as i get a recirc valve it will be ok . so is there a big benefit in the forge one or shall i just save some money and get the normal VW one ?

Oranoco

The standard one is a bit naff and soon gives up especially once an increase in boost is added to the equation.

My Forge with a cone filter does make some nice ptsh sounds but not over the top. When I had teh stock airbox you could on occasions here a very subtle ptsh. I also reversed it's mounting so it's fitted more how I would expect a dumper to be fitted.

I've had it explained a couple of times on a VAG forum I use but basically running without a re-circ screws the fueling and running with a atmospheric dump valve... er.. screws the fueling. If you need one baddly I have an anodised diaphragm re-circ on my desk at work you can borrow if it'll get you out of a sticky spot

woodz77

cheers Mr Oranoco ! it aint too loud at the moment so i guess it aint to bad . what will happen if it aint changed ? what does the recirc valve do ? does it protect the turbo ??

whats a diaphragm one ? is that a normal one ? or the kind that only works on the early models ?

SapphyMike

The K03 turbo will break if you dont run a recirc.

smithy20vt

Don't worry on the agu you don't have an N249 valve!

woodz77

right , i better get ordering . if im running a standard car etc shall i just get one from VW or you reckon its worth getting the £82 007 forge one ?

smithy20vt

Either go to Forge or go to Audi and buy the uprated standard one off the 225 for about 30 quid. While your there i would also order the lower S3 brace

woodz77

whats a lower S3 brace mate ?

Jonzy

The chinese 007p copies on the 'bay are identical and 40 quid.

SapphyMike

and work very well, as I have used one and had no problems at all.

Jonzy

Mines been on 40k, not had any problems. Side by side they are identical, which supports the evidence on vortex that forge import them from China.

SapphyMike

did yours come with the extra springs?

woodz77

you got a link mate ?

woodz77

anyone put a different airfilter on thier 1.8t engine ? looking for something that roars . cars a bit slow for me but a roar would put a smile on my face lol

Jonzy

http://cgi.ebay.co.uk/NEW-VAG-1-8T-R...3A1|240%3A1318


I'm running a JR open cone filter without any problems, 30 quid direct iirc

smithy20vt

I am running an ITG open Cone Filter on mine and sounds ok.

The S3 Lower Front strut brace just helps to stiffen the front end up a touch

woodz77

have you got just the cone filter or the chrome piping that some are being sold with ? will the piping give it more grunt ? what size is a golf neck size for the airfilter , is it 75 mm ? just seen a filter on the blokes shop site with the recirc valves and it looks the same as the one i had on my vr6 . that roared like nothing else ! i know its a completey different engine but at least i know it should be loudish .