W126 speed idle control valve

[h17n dj]

Hello all,

As the title suggests, I’m after a working speed idle control valve. Does anybody have one they would like to sell? Car is a Gen 2 500SEL M117 engine code.

Many thanks.

Hiten.




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[alabbasi]

I think that the gen 2 w126 has an idle control module. It's under the fake floor in the passenger foot well.

Thanks

 

[h17n dj]

I think that the gen 2 w126 has an idle control module. It's under the fake floor in the passenger foot well.

Thanks

Thanks for your response. The garage have informed me it’s the speed idle control valve....?


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[alabbasi]

What are your symptoms? an AAV basically just have an electronically actuated door that opens and closes. If it's faulty, it's usually because of carbon build up that is either preventing the door from opening or closing. Remove it and use carb cleaner and WD40 to free up the door, then test with a small battery or 12v battery charger to see if the door opens and closes properly.

Last I checked the part was very expensive and might be NLA.

 

[grober]

Is it A0001411625 as seen in this video [ rare as hens teeth!] they can sometimes be cleaned [ ultrasonic bath?] or the connections repaired if electrically dead

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[ToeKnee]

That video looks like a standard Bosch idle air valve, used then a lot in the past, found on a lot of Japanese cars, check scrap yards?
Look at this on eBay
https://rover.ebay.com/rover/0/0/0?mpre=https://www.ebay.co.uk/ulk/itm/1727451191082F172745119108

 

[alabbasi]

Is it A0001411625 as seen in this video [ rare as hens teeth!] they can sometimes be cleaned [ ultrasonic bath?] or the connections repaired if electrically dead

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I'm not sure if this guys problem is the AAV, if the idle control valve was stuck open, he'd be idling at 1500-2000rpm when hot. He might just have a vacuum leak.

 

[grober]

If you mean the guy in the video I agree-I just posted it so folks could see what it looked like? I think they were made by VDO[ Siemens /Continental] rather than Bosch?

 

[h17n dj]

Cheers everyone.

Symptoms are that the car is idling high. The garage have said that they have tried to clean with no avail?

I thought it might be a slightly rare item unfortunately .

Was hoping someone would have one they would like to sell...




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[grober]

A0001411425 Idle Speed Actuator | Control Valve, M117, V8, 5.0 - Regenerated Mercedes-Benz / Vdo

 

[h17n dj]

A0001411425 Idle Speed Actuator | Control Valve, M117, V8, 5.0 - Regenerated Mercedes-Benz / Vdo

Ouch that’s pricey.



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[grober]

Mercedes-Benz M116 & M117 Engine Idle Air Control Valve - 0001411625
n/a at present but a more reasonable £200

 

[alabbasi]

Cheers everyone.

Symptoms are that the car is idling high. The garage have said that they have tried to clean with no avail?

Did they test it? high idle could be caused by many things. Vacuum leak, failing OVP, bad idle control module should also be checked out.

 

[h17n dj]

I am guessing they have. I wont be going there until Friday so can ask a few more in depth questions.

 

[219]

I'm pretty sure that in my 500SEL the idle was electronically controlled by one of the modules at the top of the bulkhead ...

 

[alabbasi]

I'm pretty sure that in my 500SEL the idle was electronically controlled by one of the modules at the top of the bulkhead ...

If your car is a gen 1 car, this would be correct. The idle control module was moved to the foot well on the passenger side for gen 2 cars behind the fake floor.