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  #1  
Old 07-17-2006, 04:31 AM
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Valve On Solex

I Was Wondering If Anyone Can Tel Me What The Device Is I Circled On The Picture? What Is It For, And It Seems That It Must Get Constant 12volt?

What Is This And What Does It Do?

Thanx

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  #2  
Old 07-17-2006, 04:38 AM
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Maybe a choke...

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  #3  
Old 07-17-2006, 04:48 AM
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Valve On Solex

I DONT THINK IT IS CHOKE RELATED, AS THIS CARB HAS THE CHOKE ASS. ON THE SIDE, AND THIS CARB HAS THE WATER HEATED MIXTURE PISTON AS WELL. SO I DONT THINK IT IS A CHOKE, ANY OTHER SUGGESTIONS
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  #4  
Old 07-17-2006, 04:51 AM
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Well I haven't picked up the 280S with a Solex so aside from that guess I haven't an idea.

Also, please turn off the caps lock.
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I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.
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  #5  
Old 07-17-2006, 05:03 AM
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Valve on Solex

Sorry about the caps. I think that this valve has something to do with float vent
Maybe M.B. Doc can shed some light on this
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  #6  
Old 07-17-2006, 05:04 AM
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Maybe it's to compensate for idle when the A/C is on?
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I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.
[/IMG]
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  #7  
Old 07-17-2006, 06:55 AM
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that is a float chanber vent valve which only works under certain circumstances, for example when the choke is on
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  #8  
Old 07-17-2006, 07:03 AM
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solex valve

Thanx 280Sbenz, do you perhaps know, when the soleniod must get power and when it must be shut?

the car is a w123 280 euro 1979
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  #9  
Old 07-17-2006, 08:25 AM
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M.b.doc Please Help

M.B. DOC can u perhaps help me with this valve?

Thank you in advance
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  #10  
Old 07-17-2006, 09:08 AM
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Solenoid for venting the float bowl (hesitation)...only on very late euro engines.....
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  #11  
Old 07-17-2006, 10:24 AM
david s poole
 
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solex carb

i believe that the valve you have pictured is a shut off valve designed to prevent dieselling when the car is shut off.the wire going to it is power all the time when key turned on.now,this carb is junk.it is made of aluminum and as such IT WILL WARP causing you to believe that the gaskets have failed.it's best use is as fishing weight.company called J.A.M. engineering in california came up with direct replacement of modified holley[100 times better]easy fit even for novice.david poole european performance dallas tx 2149567007.
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  #12  
Old 07-17-2006, 08:01 PM
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My erudite friend, DSP is correct.....it is an idle fuel/air circuit shut off valve.
Closed with ign' off. Prevents run on after koeo.


Most all european manufactured carb's for cars/trucks had one installed from about 1968 on. Pierburg/Solex etc..... with the exception of S.U. who used a manifold air valve that was open with koeo.. Ford used one too, to stop the engine running on with the crappy ( Constant depression. ) variable choke Autolite carb, ie: Escort/Mexico/1.3/1.6/2000etc .





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Last edited by dkveuro; 07-17-2006 at 08:11 PM.
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