Golf Mk 4 Turbo pipes

blotchyprune · 08-06-2011, 23:29

I'm only back with with a new challenge

Here for a friend who has abit of a problem, he bought a golf (pretty sure the year is 2000) a while back and just lately the turbo went on it he just had a reconditioned one fitted but the person who done it said the dump valve was making problems. Apparently he didnt even know there was one fitted and i've also read that you cant really fit one to a golf (not sure why something to do with the way it recirculates the air i think) this will explain why he didnt know there was one on there.

Therefor he wants it out, now when we spoke to a garage they said aslong as he has the old pipes then they would have it out for £20, and as the dump valve was already in it there is no pipes, can anyone here let me what one's to get i had a look on ebay but tbh not really sure what one(s) i'm looking for...it's a 1.8 gti.

Any help will be great thanks.

heero_yuy · 09-06-2011, 08:51

Not sure why you'd want to get rid of the dump valve as this (should) only operate when you slam the throttle shut after running on full boost. It vents the sudden overpressure and helps protect the turbo and throttle body etc from shock and also prevents that extra boost reaching the engine if you suddenly opened the throttle again such as during a racing change.

It's also there in case the waste gate should fail and prevents the engine from self disassembley.

Uncle Peter · 09-06-2011, 13:33

it's to do with the way the engine management system measures the airflow.

To cut a long story short you need to use a fully (not semi) recirculating BOV

http://www.demon-tweeks.co.uk/Produc...ign=Motorsport