slemnah
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Joined: 10/01/2010
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I have a 97 HR Imperial with a Cummins C8.3l engine and I am getting ready to replace all of my cooling system hoses. Any recomendations as to what hoses to use? Where to get them? Pricing? etc!
Thanks
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sundancer268
Charlevoix
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Joined: 01/27/2006
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I got mine from Spartan as they built the chassis and knew what was used in the build. Price was not to bad.
U. S. Navy (RETIRED) 1993
1995 Gulf Stream Scenic Cruiser 34' Diesel Pusher Cummins B5.9 12 Valve Engine, Allison MD-3060 6 Speed Transmission.
TOAD: 2005 Ford Focus Automatic Station Wagon
Road Master Sterling All-Terrain
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Executive
California/Arizona/South Dakota
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Any NAPA store can help you. Buy it in bulk and cut it to correct length....Dennis
Dennis and Debi
Monaco Executive M-45PBQ Quad Slide
525HP Cummins ISM 6 Spd Allison
Chevy HHR W/ ReadyBrute
Fourth Year Full Timing Click here to view our travel blog
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Grant Lasson
Utah
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Joined: 09/17/2009
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I'm just completing a cooling system overhaul. The custom shaped hoses I got from Freightliner. I got silicone hoses for the straight sections. They're much easier to work with and withstand temperatures very well. Evco or Hose and Rubber Supply.
I also put in constant pressure clamps where possible. They are expensive but I hope the heating and cooling cycles will not result in small leaks.
Grant
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Diplomat Don
Moorpark, Ca
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Joined: 04/09/2005
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I went on line and found a company that sold silicon hoses. They had straight sections and 90's. I calculated what I needed and was able to replace all of the hoses with the pieces I ordered. Most large MH engines don't use any weird shaped/turned hoses. A 90 degree turn will be sufficient for most connections.
Don & Mary 
2005 Monaco Diplomat 36SKT
400 Cummins 
2012 Chevrolet Silverado LTZ CrewCab 4WD
2013 Polaris RZR 800 LE
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slemnah
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Ok, what about the heater hoses. Has anyone replaced those? Do the rubber heater hoses go the entire length of the chassis or do they use a pipe and just stub out the ends with hose? I haven't looked under mine yet to find out. Will probably do that this weekend.
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jag73e
Daphne, AL
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Joined: 03/24/2007
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Don
Care to share the name of the online silicon hose company? Thanks
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sundancer268
Charlevoix
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On my coach the heater hoses run the full length of the chassis. They are clamped to the frame rails and are in accessible in some spots. Plus Gulf Stream foamed them in where they enter the basement storage boxes. I tried to get Spartan to change them while I had it in for some other work and they ran out of time and I could not stick around. I hope they never start leaking in the basement area. I understand on the newer coach chassis they are now run in a conduit for easy change out. Good Luck, Ed
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