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Old 02-13-2017, 08:11 AM   #1
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Replacing all radiator and heater hoses

This spring I plan on changing all rubber hoses on my 06 mountain aire W24 chassis. the rad hoses and heater hoses around the engine are visible and mostly accessible but the heater hoses running the length of the chassis to the rear heater I am worried about. Has anyone tackled this and how difficult will it be. I will be changing the coolant and thermostat at the same time
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Old 02-13-2017, 12:47 PM   #2
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This spring I plan on changing all rubber hoses on my 06 mountain aire
jcmack
All of the hoses on my 21 year old, (now 150k + mile), Safari coach are original.
Why are you changing yours?
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Old 02-13-2017, 04:44 PM   #3
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Worst part of that job was the bypass hose. Not familiar with the rear chassis hoses.
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Old 02-13-2017, 11:52 PM   #4
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Originally Posted by Woodchopper View Post
jcmack
All of the hoses on my 21 year old, (now 150k + mile), Safari coach are original.
Why are you changing yours?

Curious if you have ever had a belt or hose break on any vehicle.
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Old 02-14-2017, 12:13 AM   #5
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Originally Posted by Woodchopper View Post
jcmack
All of the hoses on my 21 year old, (now 150k + mile), Safari coach are original.
Why are you changing yours?
At the ten year mark on our previous mh I had all hoses replaced except the near 100 feet of heater hose.

Less than 6 months later a heater hose blew while driving on an interstate. Didn't know I had a problem until the check engine light lite up and alarms started going off.

That's why you should change hoses out. They will fail. At 21 years you are living on borrowed time.
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Old 02-14-2017, 04:46 AM   #6
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Where is the rear heater? I don't recall seeing the long heater hose that is mentioned in this thread. I assume this was a coach builder option of some type.
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Old 02-14-2017, 07:03 AM   #7
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Curious if you have ever had a belt or hose break on any vehicle.
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I have.
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Old 02-15-2017, 01:20 PM   #8
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Where is the rear heater? I don't recall seeing the long heater hose that is mentioned in this thread. I assume this was a coach builder option of some type.
My rig has the rear heater, under the wardrobe closet along the rear wall of the MH. Also, there is a system that heats the domestic hot water with engine heat. Both systems have engine coolant lines running to them that are very long and located in some interesting places.
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Old 02-15-2017, 02:38 PM   #9
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My rig has the rear heater, under the wardrobe closet along the rear wall of the MH. Also, there is a system that heats the domestic hot water with engine heat. Both systems have engine coolant lines running to them that are very long and located in some interesting places.


Interesting, don't recall this as even an option in my coach. Was this brand specific.
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Old 02-15-2017, 05:37 PM   #10
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Sorry that I can't help you on the heater hoses, my guess is that they are standard 5/8" or 3/4" heater hoses. Years ago when working on conversion vans that is what they used.

I also will be replacing all my hoses on our 04 Adventurer, it's due for the antifreeze to be replaced since it's Dex Cool. I will also change the thermostat along with the radiator cap. I know on the Winnebago heater hoses run to the motor aide water heater exchanger.

Great to think you are thinking ahead instead of cooking the engine. Let us know what you find.
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