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-   -   Vacuum Source (https://www.irv2.com/forums/f22/vacuum-source-4050.html)

Carvin Marvin 02-11-2009 04:43 AM

Vacuum Source
 
I have an 02 w-22 where oh where is the source for the vacumn for the dash heater and a/c. I suspect I have a leak somewhere. Is there a hose routing diagram in existence? Thanks in advance for your assistance. Marv

DriVer 02-11-2009 04:49 AM

Quote:

Originally posted by Carvin Marvin:
I have an 02 w-22 where oh where is the source for the vacuum for the dash heater and a/c. I suspect I have a leak somewhere. Is there a hose routing diagram in existence? Thanks in advance for your assistance. Marv
Marv, Other than a 35 foot long motorhome in your profile, the question we would like to ask you is; What is the year, make and model.

On a Winnebago product it is entirely possible that one of the vacuum hoses came off the back of the switch. Check to see if those are all seated.

John-D 02-11-2009 06:43 AM

Well. As others have said, more info needed

However since this is a workhorse forum.. and Workhorse GENERALLY does things much like GM

GM usually taps dash vacuum off at the brake, booster, vacuum canister check valve

This is a plastic plug in the booster body

BIG hose to engine manifold
Small to dash


Unless.... Of course..... They did something entierly different

jdsr 02-11-2009 09:12 AM

Im not sure yours is like mine but I had some vac leaks. If yours is like mine there is a round ball like plastic piece on drivers side under hood. I had 2 hoses that were defected and I replaced them(green and blue hose). All problems fixed. The cracks were hard to see but were dry rotten.

DriVer 02-11-2009 02:01 PM

https://www.irv2.com/photopost/data/5...m/IMG_3262.jpg

Picture of vacuum reservoir. https://irv2.infopop.cc/groupee_commo...on_biggrin.gif

Tom N 02-11-2009 02:24 PM

Quote:

Originally posted by Carvin Marvin:
Is there a hose routing diagram in existence? Thanks in advance for your assistance. Marv
https://www.nauticom.net/www/tomnagy/...acuum%20sm.jpg

-Tom

Carvin Marvin 02-12-2009 03:22 AM

Thanks for the responses. I have repeatedly attempted to update/correct my profile with no success. It's an 02 W-22 Southwind R35. I'll check out the hoses for cracks now that I know where to look. Again Thanks for the assistance. Marv

DriVer 02-12-2009 03:47 AM

Quote:

Originally posted by Carvin Marvin:
I have repeatedly attempted to update/correct my profile with no success.
Marv, There's an apply button all the way at the bottom of the page. Click on that to save your changes.

Mahlon 02-14-2009 05:33 AM

I'm not entirely sure what Tom posted, but this is the diagram for the Evans Tempcon system in my Newmar Scottsdale/W22:

Evans Tempcon Cable/Electric Valve Vacuum Diagram


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