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Old 02-08-2020, 11:44 PM   #1
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Heater or Radiator

I pulled out the stock cabin heater from inside of the bus for the floor removal etc. I still have the heater, which seems in perfect conditions, and the hoses as well.



What do you think is the best rout to go:


A. Toss the whole damn thing.
B. Reinstall it in the bus to serve as an extra source of heat on winter days/nights (if I travel in substantial cold, I'll leave the engine running while I sleep, so that would give heat).
C. Install it outside, maybe on the rear, up high, to serve as an auxiliary mini radiator for when traveling on very hot days.
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Old 02-09-2020, 12:13 AM   #2
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Originally Posted by Joe45 View Post
I pulled out the stock cabin heater from inside of the bus for the floor removal etc. I still have the heater, which seems in perfect conditions, and the hoses as well.



What do you think is the best rout to go:


A. Toss the whole damn thing.
B. Reinstall it in the bus to serve as an extra source of heat on winter days/nights (if I travel in substantial cold, I'll leave the engine running while I sleep, so that would give heat).
C. Install it outside, maybe on the rear, up high, to serve as an auxiliary mini radiator for when traveling on very hot days.
I vote to keep it in the bus.
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Old 02-09-2020, 02:44 AM   #3
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I have 3

Underdash heater/ defroster, heater behind the driver’s seat. And one in the back blowin air forward., I am not planning on running the engine, I have big Webasto coolant heater.

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Old 02-13-2020, 11:23 PM   #4
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I think I will indeed leave it in the bus.
Will have to look into those webasto contraptions!
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Old 02-14-2020, 07:30 AM   #5
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Definetly leave the heater located near the door and the other located near the driver. These provide the heat for your windshield defroster. You will be glad you did the first time you drive in cold rainy weather.

In my bus all the plastic flexible ductwork was chewed up by mice and such and will be getting replaced. Inspect your ductwork, and blowers. Clean and service/ replace as necessary. Also a good time to clean the dust out of the heater core fins. A garden hose and a nylon brush should do it. My bus had like four 12v fans on the dash. These also may need serviceing or replaced.

Good luck
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Old 02-14-2020, 11:38 AM   #6
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I'm gonna go ahead and keep the heater inside. Right now I'm trying to decide between putting it in the back, where it was before, or up in the cockpit.



I have a heater and fan on my side, but the new passenger side, where my wife will sit during travel, does not. Not sure f it'll be too much for the cockpit though.
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Old 02-15-2020, 01:53 AM   #7
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Do yourself and your wife a favor and install one for the passenger side too.
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Old 02-23-2020, 02:29 AM   #8
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I drove a couple hours yesterday and again today with my front dash heater hooked up the first time. Was about 24 deg f outside and kept the fans on half way for most of the driving. My front thermostat showed 80 degrees and my rear (about 30 feet back) showed 66 degrees. Now I do still have a few draft spots to patch up but if you do any cold weather driving you’ll want them up front.
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Old 02-23-2020, 09:17 AM   #9
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I drove a couple hours yesterday and again today with my front dash heater hooked up the first time. Was about 24 deg f outside and kept the fans on half way for most of the driving. My front thermostat showed 80 degrees and my rear (about 30 feet back) showed 66 degrees. Now I do still have a few draft spots to patch up but if you do any cold weather driving you’ll want them up front.
I took a three-hour drive in 30F weather a couple of weeks ago, and the driver heater and the stepwell heater (I removed the mid and rear heaters) were enough to make the bus quite warm. This despite having an open 4'x8' hole in the floor over the rear axle.
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Old 02-23-2020, 11:27 AM   #10
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It’s always a good idea to keep the dash heater up front. Any extras are not necessary in my opinion if you have another heat source when you’re stopped.

Joe45 you mentioned keeping the engine idling while you sleep for heat. Diesels don’t put out much heat while idling, yes you’ll get some but not much.
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Old 02-23-2020, 10:29 PM   #11
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Originally Posted by musigenesis View Post
I took a three-hour drive in 30F weather a couple of weeks ago, and the driver heater and the stepwell heater (I removed the mid and rear heaters) were enough to make the bus quite warm. This despite having an open 4'x8' hole in the floor over the rear axle.
That's some real heat generation. I would have thought that the 4'x8' hole would mix in so much cold air that only the first 2 or 3 feet of the front near the heaters would be warm. Impressive.


We removed our heaters on our "moving van" temporary build-out. We have an electric (ceramic) heater run off of the inverter/house battery/second alternator which is more of a chill chaser. I am now mulling over using the old stairwell heater to provide some heat while driving. While stationary, the ceramic is decent enough but does require power.
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