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Old 02-17-2011, 07:36 AM   #15
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If the Hole in the canister is for Air Intake ?

Maybe a Hose, say 18 inches Long would keep some road grunge from interring the canister.

water could enter, then drip out with out entering the canister
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Old 02-20-2011, 05:56 PM   #16
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If the Hole in the canister is for Air Intake ?

Maybe a Hose, say 18 inches Long would keep some road grunge from interring the canister.

water could enter, then drip out with out entering the canister
Thank you and while this might be a good idea, it does not answer my original question of is there supposed to be something connected to this fitting. Does anyone out there have this same device on their motorhome? If so could you please check yours and let me know if there is anything attached to yours or not? I sure would appreciate it. I am preparing for a cross country trip and I want everything hooked up and working the way the factory intended it to be beforehand. Thanks so much for your time and efforts.
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Old 02-20-2011, 08:34 PM   #17
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If my memory serves me, the air INTO the pump is drawn in at the front of the pump between the vanes of the plastic fan thats between the belt pully and the pump body. If this canister is what my research suggests, a silencer, there should be no intake from it, only a pressure release for when the throttle is shut sharply.
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Old 02-23-2011, 07:41 PM   #18
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If that is correct then that's all the more reason to know what if anything should be attached to the fitting, there is a lot of unfiltered air flowing into it after all. Alas what I thought would be an easily answered question remains unanswered. Please, somebody has to have this same device on their motorhome. If you get a chance take a peak. You'll be solving a mystery and helping a fellow Airstreamer. Thanks so much.
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Old 02-24-2011, 12:10 PM   #19
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If it is a silencer for venting excess pressure, there should be no suction at the fitting AT ALL. If it is what we think it might be, and you are getting suction, there is something wrong with the system. It could be as simple as a Vacuum pipe off a valve somewhere.
Do you have the OEM filter housing, with the vacuum diagram on?
I hear ya on the "no info' issue.... I had the same problem with my smog equipment saga.... Every year, every weight model seemed to be equipped different.
I had to buy a Smog Book to figure it out... and its the book that the Smog Stations use, so it should be correct!
I looked up your model year, and all it says is that is AIR equipped.
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Old 04-23-2011, 05:54 PM   #20
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Might as well try to revive this since spring has sprung, anyone feel like looking in their 87-88 345 motorhome front curbside wheel well and telling me if there is anything attached to the open fitting of this canister on their motorhome? It is up high towards the back of the wheel opening and attaches to an AIR pump. I know it's not an EVAP canister now or cruise control vacuum canister, I don't really care what it is at this point I just want to know if there is supposed to be anything attached to it. Thanks everyone
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Old 04-23-2011, 08:03 PM   #21
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My chassis is an 88

It is Just Like you show in the Picture.

No hose is, or was ever attached.
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Old 04-23-2011, 08:07 PM   #22
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If my memory serves me, the air INTO the pump is drawn in at the front of the pump between the vanes of the plastic fan thats between the belt pully and the pump body. If this canister is what my research suggests, a silencer, there should be no intake from it, only a pressure release for when the throttle is shut sharply.
I think You are correct, this canister is for Noise a hissing, reduction only.
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Old 04-24-2011, 03:47 AM   #23
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My chassis is an 88

It is Just Like you show in the Picture.

No hose is, or was ever attached.
Thank you oh so much! I have waited a long time to find that out. I just wanted the peace of mind of knowing there wasn't something missing and now I have it! Thanks again.
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Old 04-24-2011, 07:41 AM   #24
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Welcome
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