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11-02-2020, 06:34 PM
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#1
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Senior Member
Winnebago Owners Club
Join Date: Sep 2020
Location: SB, IN
Posts: 206
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W22 - Motor Shroud/Baffle/Curtain Replacement
On my 02 Win Adventurer, there is/was some sort of heavy "shroud" doodad on top of the motor at the back of the hood cage but before the doghouse. The PO had rigged some inner tube thing initially and it stunk up the coach once motor got hot, and then his son replaced that with some other sort of rubbery cloth like thing and that thing stinks when the motor gets hot....
First - what is that thing for? What material should be used? I can't seem to find that part or what its proper name is either.... anyone who can enlighten me on this I would be so grateful.
If one removes it, will it cause problems? The smell gives me a major headache...
Thank you!
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RV n00b - 02 Winnie Adventurer 32V
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11-02-2020, 07:16 PM
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#2
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Senior Member
Join Date: Nov 2018
Posts: 618
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Our ‘03 has the same type of shroud, made of a thick rubber type fabric, that separates the engine from the front access area. We never got a good answer on its purpose from the Winnebago dealer we got it from. However, unlike yours, ours hasn’t given us any ill effects. Perhaps yours is in close proximity, or in contact, with the engine manifold or exhaust.
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Bob and Marcia
‘03 Winnebago Adventurer 33V Workhorse
Toad- '03 Jeep Liberty 4-down
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11-02-2020, 08:58 PM
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#3
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Senior Member
Winnebago Owners Club
Join Date: Sep 2020
Location: SB, IN
Posts: 206
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Quote:
Originally Posted by bobmar
Our ‘03 has the same type of shroud, made of a thick rubber type fabric, that separates the engine from the front access area. We never got a good answer on its purpose from the Winnebago dealer we got it from. However, unlike yours, ours hasn’t given us any ill effects. Perhaps yours is in close proximity, or in contact, with the engine manifold or exhaust.
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Hoping I can find a replacement... whatever the PO used is not the right material...
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RV n00b - 02 Winnie Adventurer 32V
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11-02-2020, 11:18 PM
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#4
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Senior Member
Grand Design Owners Club
Join Date: Mar 2017
Location: Middle Tennessee
Posts: 506
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W22 - Motor Shroud/Baffle/Curtain Replacement
It’s there by design. It keeps airflow from bypassing the “cooling pack”. Forces air to flow through the radiator as it supposed to.
As to the aroma, really can’t say what that would be from.
You might have success with the part number with search related to Workhorse vs your coach brand since it is more a chassis part.
__________________
2004 Pace Arrow 37C, 2021 Thor Challenger 37FH
2023 Grand Design Reflection 337RLS 5th Wheel
I'm totally done with Motorhomes 
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11-02-2020, 11:42 PM
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#5
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Senior Member
Grand Design Owners Club
Join Date: Mar 2017
Location: Middle Tennessee
Posts: 506
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BTW if you can’t find the workhorse part, if it were me I’d look to get a piece of conveyor belt or bucket elevator belt to make a replacement. It’s thick, stiff and fiber reinforced.
__________________
2004 Pace Arrow 37C, 2021 Thor Challenger 37FH
2023 Grand Design Reflection 337RLS 5th Wheel
I'm totally done with Motorhomes
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11-03-2020, 04:55 AM
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#6
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Senior Member
Workhorse Chassis Owner
Join Date: Aug 2007
Posts: 849
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https://www.ultrarvproducts.com/W800...per-And-Lower)
Give brazils a call. You might just need one half of the shroud.
My first one came loose and needed replaced. Long story short, without one in place engine would overheat within a few miles.
Good Luck
__________________
Jan and Rocky
Volunteers USFWS. 9,300 hrs each, 29 refuges. 04 Allegro 30DA, WH 8.1, Banks, 2012 Jeep Liberty , Brake Buddy Adv Select, 300watts Solar,  "Philippians 4:11-13 KJV"
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11-03-2020, 06:55 AM
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#7
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Senior Member
Workhorse Chassis Owner
Join Date: Sep 2017
Posts: 2,157
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Quote:
Originally Posted by Rocky Larson
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I don't think this is what the OP is talking about. This is the fan shroud attached to the back of the radiator.
He is concerned with a rubbery curtain that is suspended near the bottom of the windshield and covers the area above the front of the engine. Its purpose is to block air from flowing over the top of the engine. It has cutouts to accommodate cooling air for the ECM and TCM. It also has cutouts to give access to checking and filling the engine and transmission fluids.
I need one too! If anybody has a part number it would be appreciated. I'm thinking of making one but getting the cutouts the right shape and in the right places might be difficult.
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2003 34' Georgetown on W20 Workhorse Chassis. UltraRV power mods. Doug Thorley Headers and MagnaFlow 12589 mufflers. Front Sumo Springs, Rear P32 Sumo Springs, UltraRV Track Bar.
1998 Jeep Toad.
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11-03-2020, 09:02 AM
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#8
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Senior Member
Join Date: Nov 2018
Posts: 618
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I assume this is what we’re talking about. Doesn’t appear to be a factory standard but does direct airflow. Not custom fit either, just cut from bulk material. Never removed so don’t know how it would affect engine temps.
__________________
Bob and Marcia
‘03 Winnebago Adventurer 33V Workhorse
Toad- '03 Jeep Liberty 4-down
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11-03-2020, 09:39 AM
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#9
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Senior Member
Winnebago Owners Club
Join Date: Sep 2020
Location: SB, IN
Posts: 206
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Quote:
Originally Posted by Kluffinator
It’s there by design. It keeps airflow from bypassing the “cooling pack”. Forces air to flow through the radiator as it supposed to.
As to the aroma, really can’t say what that would be from.
You might have success with the part number with search related to Workhorse vs your coach brand since it is more a chassis part.
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Found part on Workhorse website - says it has been discontinued... so time to find some non-stinky material...
__________________
RV n00b - 02 Winnie Adventurer 32V
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11-03-2020, 09:42 AM
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#10
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Senior Member
Winnebago Owners Club
Join Date: Sep 2020
Location: SB, IN
Posts: 206
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Quote:
Originally Posted by yeloduster
I don't think this is what the OP is talking about. This is the fan shroud attached to the back of the radiator.
He is concerned with a rubbery curtain that is suspended near the bottom of the windshield and covers the area above the front of the engine. Its purpose is to block air from flowing over the top of the engine. It has cutouts to accommodate cooling air for the ECM and TCM. It also has cutouts to give access to checking and filling the engine and transmission fluids.
I need one too! If anybody has a part number it would be appreciated. I'm thinking of making one but getting the cutouts the right shape and in the right places might be difficult.
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Yup, thats the one! Found part#, but it has been discontinued ... so we get to make our own! 
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RV n00b - 02 Winnie Adventurer 32V
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11-03-2020, 09:44 AM
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#11
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Senior Member
Winnebago Owners Club
Join Date: Sep 2020
Location: SB, IN
Posts: 206
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Quote:
Originally Posted by bobmar
Attachment 306812
I assume this is what we’re talking about. Doesn’t appear to be a factory standard but does direct airflow. Not custom fit either, just cut from bulk material. Never removed so don’t know how it would affect engine temps.
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Yup, looks like yours was a DIY job as well...
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RV n00b - 02 Winnie Adventurer 32V
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11-03-2020, 09:45 AM
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#12
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Senior Member
Winnebago Owners Club
Join Date: Sep 2020
Location: SB, IN
Posts: 206
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JFYI - here is the factory OEM one that has been discontinued...
W0005312 - Baffle - Recirculating Air Side (Air Diversion Panel)
https://www.workhorseparts.com/2005-...anel)?limit=25
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RV n00b - 02 Winnie Adventurer 32V
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11-03-2020, 01:30 PM
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#13
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Senior Member
Grand Design Owners Club
Join Date: Mar 2017
Location: Middle Tennessee
Posts: 506
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If you go to a farm implement dealer you might be able to get a piece of rubber belt that came off a combine or hay baler. It wouldn't take much of if needed you could lace the pieces together using pop rivets or safety wire.
Make a template using some cardboard.
You can also get belting material from Graingers.
__________________
2004 Pace Arrow 37C, 2021 Thor Challenger 37FH
2023 Grand Design Reflection 337RLS 5th Wheel
I'm totally done with Motorhomes
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11-03-2020, 06:16 PM
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#14
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Senior Member
Winnebago Owners Club
Join Date: Sep 2020
Location: SB, IN
Posts: 206
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Quote:
Originally Posted by Kluffinator
If you go to a farm implement dealer you might be able to get a piece of rubber belt that came off a combine or hay baler. It wouldn't take much of if needed you could lace the pieces together using pop rivets or safety wire.
Make a template using some cardboard.
You can also get belting material from Graingers.
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Great idea, as long as heat doesn't make it give off an odor....
Wonder why one could not use some sort of aluminum or sheet metal? Something that would not rust and have no affect from engine heat.
__________________
RV n00b - 02 Winnie Adventurer 32V
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