New Aux Air Regulator(Valve), Still Available?

Boesen · Posted: Tue Sep 24, 2013 6:31 pm Post subject:

Im looking for the 13 mm ID hose that goes from the AAR to the Intake Plenium. Mine has succumn to age I believe, as its leaking some liquid (oil).

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Bus idles a bit rough on cold start up and but once warmed after a minute or two is fine. Just want to fix the leaky hose. I noticed GS has them. http://www.germansupply.com/home/customer/product.php?productid=17684&cat=385&page=6

Curious if 1/2" fuel/vac hose would subside until my order would arrive from GS in the next 5-9 days most likely. Or a stateside vendor anyone can recommend, as I've found what seems to be the same hose through a Ferrari vendor online. http://www.italiancarparts.com/parts/250_275_330_365.html
Or is this a special molded hose? Maybe Samba user GeeBee has available or is producing?
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1979 Westfalia Deluxe http://www.thesamba.com/vw/forum/viewtopic.php?t=474334&highlight=iowa

BusBerd · Posted: Mon Apr 08, 2013 9:46 pm Post subject:

In 2007 I bought one of the remanufactured AARs from JC Whip-me. I don't know if I didn't see it back then or just that I didn't know any better, but the casing is all bent. Also the last number in the part number is scratched out so i wonder if this is a ...107 instead of a ...101. I don't want to put this back on after my rebuild. It looks like it will leak like a sieve.

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"The large print giveth and the small print taketh away."
1977 Westfalia Camper Bus 2.0L Fuel Injected Engine, Manual Transmission

77VWBusDude · Posted: Sun Sep 04, 2011 8:03 am Post subject:

Ordered, giggity.

Now get on finding a suitable replacement off a newer vehicle, Ron Razz

If you sell them.. they will come, lol.
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'77 Bus auto EFI(stock)

geopanoramic · Posted: Sat Sep 03, 2011 9:42 pm Post subject:

Hey - thanks for the tips on aux air regulators!

Turns out mine is fine. I figured out the issue when I took a drive and found the brakes to be on manual...
.... therefore it was clear I blew the vacuum assist to the master cyclinder behind the firewall - so that was why my bus was hard starting, and racing and not idling etc, with no help for the air idle screw!

cheers

Busdepot · Samba Member Joined: March 24, 2004 Posts: 1357

busdaddy · Posted: Tue Aug 30, 2011 12:24 pm Post subject:

raygreenwood · Posted: Tue Aug 30, 2011 11:53 am Post subject:

You guys do know...that there are at least 25 different part #'s for these right? They were used on virtually every European watercooled car through the 70's and into the 90's.

That being said there is a huge range of variations and some may be quite difficult. Some are adjustable, some not. Some have larger or smaller inlets and outlets. Some have different size heaters for different time factors. Some have engineered bleed holes and notches in the sliding plate.

The big point being that you should also check for usable part #'s in Mercedes, Volvo, Saab, Audi, Skoda, Seat etc. Ray

SGKent · Posted: Tue Aug 30, 2011 11:30 am Post subject:

geopanoramic · Posted: Tue Aug 30, 2011 9:43 am Post subject:

Two years later - I still see them advertised at Bus Depot for ~80 $

First though, I am not really sure my problem is the aux air regulator.

I am willing to try to clean mine (how exactly?: carb. cleaner, then freezer, then oven?). The fact that I can blow through mine suggests that it is at least open during start up, which is the way it is supposed to be right? (Before the bimetallic strip closes it off)...

MY bus is a 1975 1800 Air Flow Control fuel ignition motor with 135K original.

Thanks for the help!

77VWBusDude · Posted: Sat Mar 14, 2009 1:29 am Post subject:

SGKent · Posted: Fri Mar 13, 2009 11:05 pm Post subject:

good catch Dansvan.

I saw one on Pelican for about the same price. Sent an e-mail tonight to Python to see what they do to theirs when they rebuild them They have a model 342-902 that fits the correct year Vanagon and Porsche so my guess is that it will fit the bus too. They are as low as $35 on the Internet but I have no idea if they are any good although Python guarantees them for 1 year. I will post their answer Monday or Tuesday when they get back to me. In the meantime I have another line on one of these NOS for much less.
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"Most people don't know what they're doing, and a lot of them are really good at it." - George Carlin

Blaubus · Samba Member Joined: October 25, 2003 Posts: 5153

heres a new one for the 2 liter 914:

http://www.thesamba.com/vw/classifieds/detail.php?id=320799

bosch # agrees with type2.com's # for the 77-79 bus

022 porsche # agrees with ratwell part # for the 77-79 bus, except that ratwell has an "A" and the ad does not. but the box states no 022 porsche #, and the seller is stating it as a recollection.

i think its the right one

SGKent · Posted: Fri Mar 13, 2009 6:37 pm Post subject:

not to burst your bubble but I spoke with BD this morning on that. They have none nor do any of their suppliers. If you get one from them tell me please as maybe it will be under some other part number. They looked under both the Bosch and VW part numbers as both are shown on their site. IF you find someone who has the originals let me know because I am wanting one too. Scott at German Supply has a substitute on his website that he says works well, and there are a few places online who say they sell remanufactured ones. What the heck is going on with the world when companies stop selling what people want? No wonder we are in a recession.

It looks like a rebuilt Python 342-902 might work. I am always leary of rebuilt things without a baseline to go off of.
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"Most people don't know what they're doing, and a lot of them are really good at it." - George Carlin

77VWBusDude · Posted: Fri Mar 13, 2009 5:14 pm Post subject:

Well, I ordered it before you posted that. Guess I'll see what happens. You'd think with so many applications, 914, Beetle, Bus, Vanagon, etc. Bosch'd still make them. Grr, 'bout to switch to dual carbs!, lol. Maybe they send out repros, wouldn't be first time that happened to me.
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'77 Bus auto EFI(stock)

germansupplyscott · Posted: Fri Mar 13, 2009 6:06 am Post subject:

77VWBusDude · Posted: Fri Mar 13, 2009 4:55 am Post subject:

I can't believe the busdepot forgot to list this part being compatible for '72-'79 Buses...unless I'm missing something?

https://busdepot.com/details.jsp?partnumber=0280140101

Aux. Air Valve
Part Reference Number*: 0280140101
Brand: Bosch/Germany*
Availability: Usually ships in 1-3 working days (sooner if ordered via air shipment)
Price $76.88

10% off coupon on the main page right now too!

They have it listed for 68-71 Bus and 80-83 Vanagon, but not '72-'79 Bus

but according to Type2.com's Fuel Injection Bosch Parts Interchange chart
http://www.type2.com/library/fuel/fuelibo.htm

AUXILIARY AIR VALVE, 0 280 140 101
Porsche
1976 912E 1970cc
1975 914 1795cc
1974 914 1970cc
Volkswagen
1979-75 Type 1 1584cc (AJ) Beetle
1979-74 Type 2 1970cc, 1795cc
1974 Type 4 1795cc (EA,EC)
1985-80 Vanagon 1913cc, 1970cc

This chart further shows the AAR was used '74-'79
http://www.ratwell.com/technical/FISwap.html
(part #022 906 045A translates to Bosch part #0 280 140 101 in one of the charts in that first link http://www.type2.com/library/fuel/fuelibo.htm)

I'm going to pull mine out and verify the part # just to be sure before ordering though. I was thinking about drilling the adjustment slot to allow more tweaking, but now I don't have to!
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'77 Bus auto EFI(stock)

77VWBusDude · Posted: Fri Dec 05, 2008 3:10 am Post subject:

I think it's good to test it both ways. Can't be too sure!, but thanks for the tip. If you run to the store, then come back out to start it and the top of the motor is still 150 degrees, the valve needs to be able to keep itself closed without the assistance of ECU voltage. The ECU might not actually even supply voltage to it above that temp. By setting my oven to 150 degrees I can adjust the valve so it's just beginning to be fully closed right at that temp. Who knows what temp the battery is making it.
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'77 Bus auto EFI(stock)

nick9 · Samba Member Joined: January 14, 2004 Posts: 79

Rather than trying to heat the Aux. Air Vlave externally, you can hook it up to a battery with a spare connector (or alligator clips) and the vane should close fully on its own within 30-60 seconds. Then adjust it for running, if needed, to where it's just closed. Then disconnect the wires and freeze it to make sure it will open to about half-way. Then repeat the hookup to battery to make sure it fully closes, if you want to double check. A light turbine oil (or light spray) after cleaning seems to help it's movement.


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New Aux Air Regulator(Valve), Still Available?
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