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Found some turbo parts

 
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impi  



Joined: 08 May 2006
Posts: 14
Location: Orkney South Africa

PostPosted: Sat May 13, 2006 3:20 am    Post subject: Found some turbo parts Reply with quote

Hi all
I found some off the parts missing from my car
I now have a turbo,exhaust manifoldand oil drain tube
Except for the exhaust i only need a wastegate to have a complete engine again.
The remaining problems are:
The drain tube has a box in the middle connected to a sort of breather pipe going around the turbo where does this connect to?
Tere is another pipe in the engine compartment coming from the airflow sensor going out next to the breather hose from the oil accumulator, this hose is plugged and has no obvious connections. Where does that hook up?
The last question is in regard to the manifold pressure switch Where does it connect to
Unfortunately my Haynes manual is not clear on these points
Can anybody point me in the direction of some photos showing the proper connections
Armand 79 924 turbo
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Smoothie  



Joined: 01 Jan 2003
Posts: 8032
Location: DE (the one near MD, PA, NJ)

PostPosted: Sat May 13, 2006 5:38 am    Post subject: Re: Found some turbo parts Reply with quote

impi wrote:

The drain tube has a box in the middle connected to a sort of breather pipe going around the turbo where does this connect to?
Later versions had this line going to the top-side of the cyl head just above injector #1. Earlier versions had it going to a Y pipe that's located in the line between the air/oil seperator and crankcase breather.
impi wrote:
Tere is another pipe in the engine compartment coming from the airflow sensor going out next to the breather hose from the oil accumulator, this hose is plugged and has no obvious connections. Where does that hook up?
This should be the line from a charcoal canister behind the left-front wheel.
[Actually, it goes from A:F metering unit to the EEC control valve, then from there it T's off to the charcoal canister and the fuel tank.]
impi wrote:
The last question is in regard to the manifold pressure switch Where does it connect to
It's located middle-front of the main air charge tube. You should find a single wire with 1/4" female spade connector in the general area that connects to it.
_________________
"..it's made in Germany. You know the Germans always make good stuff."


'82 924T, US version, dark green metallic, 5 speed Audi 016G gearbox


Last edited by Smoothie on Sun May 14, 2006 1:40 am; edited 1 time in total
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impi  



Joined: 08 May 2006
Posts: 14
Location: Orkney South Africa

PostPosted: Sat May 13, 2006 6:40 pm    Post subject: Reply with quote

Thanks for the reply The wire itself is missing from the pressure switch.
I need to find out where it connects into the loom as it possibly was cut off
Armand
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Smoothie  



Joined: 01 Jan 2003
Posts: 8032
Location: DE (the one near MD, PA, NJ)

PostPosted: Sun May 14, 2006 1:52 am    Post subject: Reply with quote

Here are some pics including (in the third pic) a clarification of the second item I answered above -

Later version of the turbo oil drain venting -
http://pg.photos.yahoo.com/ph/smoothies931pics/detail?.dir=/bdb3&.dnm=259fre2.jpg&.src=ph

earlier version of turbo oil drain vent would attach where shown here -
http://pg.photos.yahoo.com/ph/smoothies931pics/detail?.dir=/bdb3&.dnm=ede6re2.jpg&.src=ph I'd recommend attaching it to the head as in the later version instead, because the earlier version with Y pipe hookup to the crankcase breather line introduces excessive water vapour into the turbo oil drain (you can see some of the moisture condensed on the walls of the clear PVC line in the pic).

EEC line from A:F metering unit to EEC control valve -
http://pg.photos.yahoo.com/ph/smoothies931pics/detail?.dir=/bdb3&.dnm=d88dre2.jpg&.src=ph

brown wire with white stripes to manifold pressure limiting switch -
http://pg.photos.yahoo.com/ph/smoothies931pics/detail?.dir=/bdb3&.dnm=51a3re2.jpg&.src=ph
_________________
"..it's made in Germany. You know the Germans always make good stuff."


'82 924T, US version, dark green metallic, 5 speed Audi 016G gearbox
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impi  



Joined: 08 May 2006
Posts: 14
Location: Orkney South Africa

PostPosted: Thu May 18, 2006 3:24 am    Post subject: Reply with quote

Thanks a lot
I found the boost switch wire pushed onto a normal earth connection.
Armand
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