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Old 12-14-2008, 01:34 PM   #1
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The Dash heater on my 2000 Itasca Horizon smells like coolant and is dripping out the bottom. It appears I will have the best luck by removing the front of the motorhome to acess the heater box. Does anyone have any experience in doing this? Any tips on what to remove first?
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Old 12-14-2008, 01:34 PM   #2
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The Dash heater on my 2000 Itasca Horizon smells like coolant and is dripping out the bottom. It appears I will have the best luck by removing the front of the motorhome to acess the heater box. Does anyone have any experience in doing this? Any tips on what to remove first?
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Old 12-14-2008, 06:55 PM   #3
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Welcome to IRV2, George. I don't know the answer, but I've placed a shortcut to your question in the Winnebago/Itasca Owners forum. Hopefully somebody there has some advice for you.
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Old 12-14-2008, 07:25 PM   #4
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Here's a thread with pictures on replacing the core on a Journey which should be the same as a Horizon in 2000: R & R Journey Heater Core. You'll find a number of other threads if you search for 'Journey' and 'core'.
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Old 12-15-2008, 05:35 AM   #5
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Detailed instructions from battchief
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Old 12-15-2008, 06:04 AM   #6
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Was able to change my heater core without taking the front of the mh off just remover the acssess door to the front.Also had to remove the ac evaporator to get to the core. was not too bad a job. Was able to get new core from in about 5 days from Winnebago.
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Old 12-15-2008, 06:32 AM   #7
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I changed mine in my 2000 Journey last year. I followed the instructions from '"battchief" and it was pretty straightforward. It was easier for me to remove the front end and I didn't have to remove the ac evaporator. It is a good idea to ground the new one as the consensus is that this will keep the new one from being an issue in the future. Good Luck
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Old 12-15-2008, 06:40 AM   #8
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Than you all for your kind welcomeand the threads I will need to replace my heater core. Is there a forum for Winnebago rv's? I thought I was in it when I posted my question.
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Old 12-16-2008, 12:42 AM   #9
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george y, this topic is posted in two forums; Winnebago and MH Problems, Solutions & After Market. The Winnebago forum is about half way down the main forum page. Good luck with the heater core project and keep us posted.
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Old 12-16-2008, 01:33 PM   #10
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Followed Battchief's most excellent instructions and I have the front clip leaning forward. Someone suggested grounding the unit. Any recommendations on how to attach a ground wire to the heater core? Also, my unit came with rubber plugs? or ends on the nipples. Do these come off or do you put a hole in em?
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Old 12-16-2008, 02:32 PM   #11
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The rubber plugs come out - the first one will come out with a "pop" - at leat mine did. I think there was a vaccuum or low pressure in it. I grounded mine by using a small hose clamp and bare wire on one of the nipples - there isn't a lot of room but was doable for me. Also the new core has a slightly different configuration as far as the nipples are concerned - the new ones are soldered in instead of screwed in.
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Old 12-19-2008, 06:51 AM   #12
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I got the plugs out and the heater grounded. Thanks for the info. Putting the box back together with the clips was ugly, but I got it done. Have most of it back together. Probably the most time consuming was cleaning the old butyl tape off the alluminum stripping. What a mess. Once again, thanks for your help.
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