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05-19-2021, 03:03 PM
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#1
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Senior Member
Join Date: Nov 2020
Location: South Dakota
Posts: 445
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Lower Radiator hose
I was under my motorhome today and was doing a visual on everything. When I looked at the coolant lines, I followed the lower radiator hose to the engine. It is rubber for about 2 feet then runs into a metal cylinder that looks like a small muffler.
Any idea what it is?
I will try to get pictures tomorrow.
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2004 Rexhall Roseair. 3955ET 370
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05-19-2021, 03:08 PM
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#2
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Senior Member
Join Date: Oct 2014
Posts: 7,882
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What CHASSIS?
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Brett Wolfe
Ex: 2003 Alpine 38FDDS. Ex: 1997 Safari Sahara. Ex: 1993 Foretravel U240
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05-19-2021, 03:10 PM
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#3
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Member
Join Date: Mar 2019
Location: South Carolina
Posts: 85
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Sounds like the transmission cooler.
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05-19-2021, 03:13 PM
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#4
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Senior Member
Join Date: Nov 2020
Location: South Dakota
Posts: 445
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It is a 2004 workhorse r20 with a cummins ISL 400.
I dont think it is a transmission cooler. The longer louder hose goes into it and a solid line comes out and goes to the engine.
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2004 Rexhall Roseair. 3955ET 370
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05-19-2021, 06:32 PM
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#5
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Senior Member
Join Date: Nov 2020
Location: South Dakota
Posts: 445
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Just read this and saw my error. It is supposed to read " the lower hose goes to ...."
Quote:
Originally Posted by bduemig
It is a 2004 workhorse r20 with a cummins ISL 400.
I dont think it is a transmission cooler. The longer louder hose goes into it and a solid line comes out and goes to the engine.
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2004 Rexhall Roseair. 3955ET 370
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05-19-2021, 08:09 PM
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#6
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Senior Member
Join Date: Sep 2010
Posts: 4,518
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Never heard of a Workhorse chassis with a 400 Cummins. Workhorse chassis had GM big block engines and have been out of the RV business for over 10 rears.
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Tom/Teri 16031 NKK 117995 FMCA
18 London Aire 4531 Spartan K-3 605
97-04 LA 04-18 Essex 2018 London Aire
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05-19-2021, 09:53 PM
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#7
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Senior Member
Join Date: Jan 2020
Posts: 236
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Workhorse made many R20 diesel pusher chassis in the early 2000 for different coach manufacturers. I thought this was common knowledge on RV forums.
Rexhall bought pusher chassis from just about anyone who sold them, Freightliner, Spartan, and Workhorse to name a few.
And know, I do not know where this hose goes, maybe to an oil cooler?
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05-20-2021, 11:11 AM
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#8
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Senior Member
Country Coach Owners Club
Join Date: Dec 2010
Posts: 7,803
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I would think the metal pipe is just an extension of the radiator hose. Rubber on one end and rubber on the other end
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Don
2002 Country Coach Intrigue
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05-20-2021, 11:13 AM
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#9
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Senior Member
Join Date: Oct 2014
Posts: 7,882
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Since the Workhorse DP chassis is pretty rare, it would be a good idea to post a picture of the hose you are referring to.
__________________
Brett Wolfe
Ex: 2003 Alpine 38FDDS. Ex: 1997 Safari Sahara. Ex: 1993 Foretravel U240
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05-20-2021, 11:15 AM
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#10
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Senior Member
Newmar Owners Club Tiffin Owners Club Workhorse Chassis Owner
Join Date: Jan 2015
Location: Byhalia, MS
Posts: 3,368
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Quote:
Originally Posted by dons2346
I would think the metal pipe is just an extension of the radiator hose. Rubber on one end and rubber on the other end
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jt
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2019 Tiffin Phaeton 40IH
2005 Newmar Kountry Star Gas (Sold)
2022 JL Wrangler 4xe or 2017 Harley Ultra in tow
JT, Em & the boys, Kong & Baxter (rescued grey tabbies)
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05-20-2021, 10:55 PM
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#11
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,951
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Quote:
Originally Posted by dons2346
I would think the metal pipe is just an extension of the radiator hose. Rubber on one end and rubber on the other end
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X3! Since the lower radiator hose is the suction side of the water pump, the metal portion presents less chance of a very long hose collapsing from the suction.
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2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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05-22-2021, 08:42 PM
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#12
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Senior Member
Join Date: Nov 2020
Location: South Dakota
Posts: 445
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Turns out it is the transmission cooler.
Thanks for all the help.
__________________
2004 Rexhall Roseair. 3955ET 370
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05-23-2021, 02:12 PM
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#13
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,951
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Quote:
Originally Posted by bduemig
Turns out it is the transmission cooler.
Thanks for all the help.
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How did you discover that?
__________________
2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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