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Author Throttle body question
Rob_Lee
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Registered: 9th Dec 05
Location: Folkestone Drives: Nova 1.6 16v
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23rd Mar 07 at 18:31   View User's Profile U2U Member Reply With Quote
What are these?

Are they for some sort of cover like the dbilas ones?






I take it the two outlets circled in red are vacuum take offs for the brake servo??

The blue one for the intake temp sensor?



Are these both breather pipes?







Is this for the EGR Valve??





Thanks

Rob


[Edited on 23-03-2007 by Rob_Lee]
csweatherston
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Registered: 16th Jan 06
Location: Devon
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23rd Mar 07 at 18:33   View User's Profile U2U Member Reply With Quote
i would say your correct on all accounts
Rob_Lee
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Registered: 9th Dec 05
Location: Folkestone Drives: Nova 1.6 16v
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23rd Mar 07 at 18:38   View User's Profile U2U Member Reply With Quote
excellent
Rob_Lee
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Location: Folkestone Drives: Nova 1.6 16v
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24th Mar 07 at 09:36   View User's Profile U2U Member Reply With Quote
jut realised that these will do away with the idle control valve

Any ideas?
Warren G
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Registered: 14th May 06
Location: Kent
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24th Mar 07 at 10:04   View User's Profile U2U Member Reply With Quote
1st one is what the fuel rail attaches too
2nd one are out lets for the IAC valve (red) and the blue bit is for the vacum servo
3rd IAC inlet side i think or breather bits
4th EGR valve


PS i have fitting instrutinos some where too, out of interst how much did you pay?

[Edited on 24-03-2007 by warren.g]
Rob_Lee
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Registered: 9th Dec 05
Location: Folkestone Drives: Nova 1.6 16v
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24th Mar 07 at 10:10   View User's Profile U2U Member Reply With Quote
How are they connected to the ICV (IAC idle air control?)

Also i dont have a EGR so can i just use my blanking plate?

Also whats the outlet pipe for above where the EGR would go?

Rob

[Edited on 24-03-2007 by Rob_Lee]
Dave A
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Registered: 10th Dec 03
Location: County Durham
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24th Mar 07 at 15:02   View User's Profile U2U Member Reply With Quote
did you get teh idle control valve repositioning kit with them?
Rob_Lee
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Location: Folkestone Drives: Nova 1.6 16v
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24th Mar 07 at 17:21   View User's Profile U2U Member Reply With Quote
No i didnt... any ideas Dave?

They are on at the mo but im gonna need a smaller alternator and a lowering bracket

Pics later
Vaux Lad
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Registered: 15th Dec 04
Location: Stoke-on-Trent
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24th Mar 07 at 18:05   View User's Profile U2U Member Reply With Quote
Are those two rod things not for the injector rail? in the first pic?
Or does the rail just sit freely?

Theres probably a throttle stop screw on the body linkage to set an idle speed, but it will be a permanent speed i.e. the ecu wont be able higher the idle for cold starts etc

The hole circled in blue looks to be the brake servo vacuum connection, needs a union fitting.

And the ones in red i'd suspect are the idle control valve hose connections, looking at them they look to bypass the throttle butterflys, to allow air in for the engine to idle.

[Edited on 24-03-2007 by Vaux Lad]
Rob_Lee
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24th Mar 07 at 18:08   View User's Profile U2U Member Reply With Quote
oh... ive blocked that off and use the two outlets circled in red for the brake servo?

How the hell do you join them to a ICV? Do i need to get a different icv that has a hose connection rather than one that bolts to the TB?

Rob

[Edited on 24-03-2007 by Rob_Lee]
Vaux Lad
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24th Mar 07 at 18:14   View User's Profile U2U Member Reply With Quote
Well, seeing as you no longer have one TB, yeah, you'll need a icv that has a hose, that you can T into each body to supply then with enough air for idle. Something like 20xe's use.

Thats probably what came with them as new, as dave mentioned, idle valve kit.

The red connections im 95% sure will be for idle, bypassing the butterflys and feeding air behind them. Ecu then injects fuel just before the valve.

The blue one has to be for brake servo, looks in correct position for one.

[Edited on 24-03-2007 by Vaux Lad]
Rob_Lee
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Location: Folkestone Drives: Nova 1.6 16v
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24th Mar 07 at 18:49   View User's Profile U2U Member Reply With Quote
makes sense now.

Will the standard ecu be ok running a 2.0 icv?

Dont know if connections are the same.
Warren G
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Registered: 14th May 06
Location: Kent
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24th Mar 07 at 20:48   View User's Profile U2U Member Reply With Quote
you idealy need the proper one off the kit

you will see when i give you copies of the dbilas instrutions
Vaux Lad
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25th Mar 07 at 00:17   View User's Profile U2U Member Reply With Quote
Wooops, i missed warren's earlier post, i basically repeated what he said,lol.
Dave A
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Registered: 10th Dec 03
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25th Mar 07 at 11:08   View User's Profile U2U Member Reply With Quote
its basicly a block that you mount the icv into with one pipe going to atmosphere and another that t's off into the manifold/tb's. wont run without the propper icv fitted, I have tried.
Rob_Lee
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Location: Folkestone Drives: Nova 1.6 16v
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25th Mar 07 at 14:56   View User's Profile U2U Member Reply With Quote
Dont suppose you have a pic do you dave?

The 2 outlets on the inlet plenum... are they just breather pipes??

Seems strange to have 2 thats all.

Im going to be running my oil breather pipe from the head to my oil catch tank so ill just have to block them off if thats all they are fo.
Dave A
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25th Mar 07 at 17:04   View User's Profile U2U Member Reply With Quote
arent they for brake servo?
powey
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Location: Gwent, South Wales
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25th Mar 07 at 17:52   View User's Profile U2U Member Reply With Quote
this?
Rob_Lee
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25th Mar 07 at 17:56   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Dave A
arent they for brake servo?


Nah the pipes i mean are before the butterfly. They are actually on the plenum

Rob
Rob_Lee
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25th Mar 07 at 17:56   View User's Profile U2U Member Reply With Quote

powey
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25th Mar 07 at 18:03   View User's Profile U2U Member Reply With Quote
some pics of mine rob
Rob_Lee
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25th Mar 07 at 18:12   View User's Profile U2U Member Reply With Quote
dont suppose you wanna sell the ICV bit do you?

I take it yours is going on an 8v engine?

[Edited on 25-03-2007 by Rob_Lee]
Dave A
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25th Mar 07 at 18:13   View User's Profile U2U Member Reply With Quote
http://img.photobucket.com/albums/v297/rob_lee_1/DSC00867.jpg

rob, those ones join to the idle control unit thingy that is pictured above.
Rob_Lee
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Registered: 9th Dec 05
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25th Mar 07 at 18:17   View User's Profile U2U Member Reply With Quote
Thanks Dave

So what are the other big ones for on the plenum... cant be both for oil breather?
Rob_Lee
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25th Mar 07 at 18:22   View User's Profile U2U Member Reply With Quote
unless one is an oil breather and the other is an air pipe for the icv inlet?

Because the ICV would take air from before the butterflies and put it in after to allow the engine to idle while the butterflies are closed.

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