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06-26-2006, 09:21 AM
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#1
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Member
Join Date: Oct 2002
Location: Eustis, FL USA
Posts: 64
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The engine HVAC system on my diesel-powered Meridian is vacuum actuated. Since a diesel engine doesn't generate intake manifold vacuum like a gas engine, where does the vacuum come from?
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Rich & Kathy Bock
2005 Itasca Meridian 39F
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06-26-2006, 09:21 AM
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#2
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Member
Join Date: Oct 2002
Location: Eustis, FL USA
Posts: 64
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The engine HVAC system on my diesel-powered Meridian is vacuum actuated. Since a diesel engine doesn't generate intake manifold vacuum like a gas engine, where does the vacuum come from?
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Rich & Kathy Bock
2005 Itasca Meridian 39F
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06-26-2006, 10:45 AM
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#3
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Senior Member
Appalachian Campers Pond Piggies Club Winnebago Owners Club Mid Atlantic Campers
Join Date: Dec 2002
Location: Sarver, PA/Crystal River, FL/Hawthorn, PA
Posts: 3,779
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There should be an electric vacuum pump somewhere.
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Sarver, PA/Crystal River, FL/Hawthorn, PA · FMCA 335149 · W3TLN 2005 Suncruiser 38R · W24, no chassis mods needed · 2012 Honda Accord SE · 2008 Honda Odyssey EX-L
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06-26-2006, 11:03 AM
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#4
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Administrator Emeritus
Join Date: Dec 2003
Location: Jupiter, FL
Posts: 9,933
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This probably won't help much, but my wife is always telling me the vacuum is in the closet!
Now if I could just figure out how to operate that thing!!
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06-26-2006, 11:35 AM
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#5
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Senior Member
Join Date: Jan 2005
Location: Back at the ranch
Posts: 2,540
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That's bad, Bob 
Tom is right about the pump but I don't know where ours is located - I think it is somewhere up forward under the 'hood.'
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--John
2005 Horizon 40AD, 2005 Jeep Liberty CRD
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06-26-2006, 04:43 PM
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#6
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Senior Member
Join Date: May 2006
Location: Central Florida
Posts: 620
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Rich,
As stated by John C the vaccum pump is up front behind the access pannel to the right of the generator. When you turn on your ignition key you will hear it initially run filling a vacuum reservoir/ball. It will periodically run as vacuum is gettting low when used switching heater/AC mode of operaion
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Harry
2005 Itasca Horizon 40KD
2006 Honda CR-V
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06-26-2006, 06:49 PM
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#7
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Senior Member
Join Date: Sep 2004
Posts: 718
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Open the front compartment door above the generator. Look to your right about eye level. It is a rectangular looking object with rubber hoses coming out of it.
I recently learned from the local Winnie dealer that the plastic connection on the line above the vacuum pump is prone to breaking. When it breaks the pump runs often. Sure, enough mine was broken.
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06-27-2006, 02:23 AM
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#8
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Senior Member
Join Date: Jul 2003
Location: Seaford, VA
Posts: 1,442
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John,,Mickey did a number on our friend..Or maybe it was the sun.
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Happy Trails! ICHN2GO, Seaford VA,
Winnebago 05 Journey 39K
04 Vue Toad
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06-27-2006, 02:40 AM
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#9
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Senior Member
Workhorse Chassis Owner
Join Date: Sep 2003
Location: Tucson
Posts: 602
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Harry said...<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">you will hear it initially run filling a vacuum reservoir/ball. </div></BLOCKQUOTE>
This is in humor, not nit picky,(dont know how to do the smileys) but the pump is attempting to empty the bottle, not fill it...rgr...
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2004 Winnebago 33V, WH
2010 Honda CRV
Jim, Lynda, and our 6/2010 model Weimaraner, Quincy, aka Q Man
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06-27-2006, 03:36 AM
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#10
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Administrator Emeritus
Join Date: Dec 2003
Location: Jupiter, FL
Posts: 9,933
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by rgrstndgby:
Don't know how to do the smiley </div></BLOCKQUOTE>
Across the top bar in the window where you are typing is a row of selections....The first one from the left is a smiley face.
When you click on it you will see the complete "directory" of available "smiley" items to choose from.. 
Now back to the show.... 
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06-27-2006, 05:47 AM
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#11
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Senior Member
Join Date: May 2006
Location: Central Florida
Posts: 620
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">This is in humor, not nit picky,(dont know how to do the smileys) but the pump is attempting to empty the bottle, not fill it...rgr... </div></BLOCKQUOTE>
You're right. It will be the day when vacuum fills something. Had a long day yesterday
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Harry
2005 Itasca Horizon 40KD
2006 Honda CR-V
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06-27-2006, 06:20 AM
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#12
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Senior Member
Workhorse Chassis Owner
Join Date: Sep 2003
Location: Tucson
Posts: 602
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">When you click on it you will see the complete "directory" of available "smiley" items to choose from </div></BLOCKQUOTE>
Well, It isn't a wasted day, It looks like I'm gonna learn something.  Im not the most cyber dude in the room.. Thanks, rgr...
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2004 Winnebago 33V, WH
2010 Honda CRV
Jim, Lynda, and our 6/2010 model Weimaraner, Quincy, aka Q Man
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06-27-2006, 06:36 AM
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#13
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Member
Join Date: Oct 2002
Location: Eustis, FL USA
Posts: 64
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Thanks for the replies guys. I will look for the pump next time I am at the MOHO. Now if I can just figure out where the switch for the squeek generator is..
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Rich & Kathy Bock
2005 Itasca Meridian 39F
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07-27-2007, 02:36 PM
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#14
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Senior Member
Join Date: Dec 2003
Location: Oak Hills Calif.
Posts: 183
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OK Guys. I just posted about this pump.
Does anyone know what it does???????????
Thanks Tcloud
__________________
1999 Adventurer Pusher Model 34V ISB 5.9
http://irv2.com/photopost/data/2/1029VAC_2004_4_139-thumb.jpg
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