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Old 01-12-2019, 02:47 AM   #11
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What does UHG stands for ?
Under Hood Generator. Commonly associated with rv's fitted with lithium batteries.
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Old 01-12-2019, 03:47 PM   #12
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. . . that both ended up being caused by the UHG installation.
We'll cast our 'thumbs up' for the ProMaster. We've logged about 73,000 miles in less than 2 years and have never had to take the van back to the dealership other than for oil changes and tires.

Oh, and yes, we installed the Nations 2nd alternator (UHG??? It's not a generator, it's an alternator) . . . with it legendary built-in 'band saw' that likes to cut radiator hoses. We've lost coolant twice (hopefully now slightly reconfigured so we don't Three-peat) but, in neither case, was the loss of coolant more than an inconvenience.
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Old 01-17-2019, 07:42 PM   #13
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17jan18
SteveTrail,
I have a WINNEBAGO Travato 59K which is based on the RAM Promaster 3500EXT which as you may know from other truck designations is the 1 ton rating and EXT is the extended length, high roof model.

Anyway; while this Travato is just a little over one year old, the Promaster has been flawless. And incredibly good in high cross wind steady or gusting. It is amazingly powerful with easy climbs up steep grades with the caviat that the diesel Sprinters certainly bulldoze up the grades with more power as we should expect. While the diesel engine they use in the Sprinter is not the same ultra high mileage diesel you would find in a KENWORTH over the road truck, they do well. Unfortunately the MERCEDES powertrain does seem to have had more issues than the RAM or the FORD but I think the trend on the latest Sprinters seems to be very good now. Mostly emissions systems issues and some complaints that not all MERCEDES dealers will work on the Sprinters. That might be true on the FORD Transit and RAM ProMaster powertrains too but I haven't heard that myself. At least the Promaster uses the same V6 engine in the JEEP JK/JL models so that makes for a lot of commonality in components for a dealer.

We can always find some things to pick at since the reality is there are an incredible number of parts used in the engine and transmissions and axles of our vehicles. I can just say ours has been solid so far. Find the coach layout and quality level your after and then the chassis/powertrain used from MERCEDES, FORD or RAM will be used on all recent and new Class B's. MERCEDES will hit your pocket book harder but may be the best choice for rougher ground traveling if that is high on your list of travel. They are also the only chassis right now with 4x4. Just know that comes at increased cost and with the added weight, will ding the mileage a bit.

Good luck and have fun, whatever you pick.

StorysRwego
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Old 01-17-2019, 07:51 PM   #14
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"It is amazingly powerful with easy climbs up steep grades with the caviat that the diesel Sprinters certainly bulldoze up the grades with more power as we should expect."

Huh?

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Old 01-17-2019, 08:34 PM   #15
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"It is amazingly powerful with easy climbs up steep grades with the caviat that the diesel Sprinters certainly bulldoze up the grades with more power as we should expect."

Huh?

Bud
"It's good, but not as good as a diesel."

I had to read that one twice myself!
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Old 01-17-2019, 09:32 PM   #16
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I bought a Carado Banff in July 2018, and there's a FB group of owners. I don't think any of us have enough mileage yet to answer your question. However, I don't recall many owners reporting specific Promaster issues, as opposed to issues with the Hymer modifications. Hymer has just announced a new class B, the Roadtrek Haven, which is built on a slightly narrower Ford chassis. There is also a new Axion, built on a 2-foot shorter Promaster than we have with a pop-up top for sleeping.
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Old 01-18-2019, 02:03 AM   #17
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Hi,
We have a homemade ProMaster conversion -- its a 2014 and has 73,000 miles on it. No serious problems.

Its been up to the Yukon twice, down to the gulf, Nova Scotia and to Cal several times. Over 1000 miles on gravel roads.

Has original headlight bulbs.
Did have one problem with a faulty oil pressure sensor.
Initially had squeaky brakes, but I think that's just a 2014 issue.

There are reports for expediter PM owners who have over 400K miles on the PM forum.

Reliability wise, its not a Toyota, but its not a Range Rover either.

I think its hard to get any accurate idea of overall reliability looking at the forums. People with problems report them, but the majority of people don't have problems and don't say anything.

This is our conversion: https://www.buildagreenrv.com/our-conversion/

Gary
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Old 01-18-2019, 02:44 PM   #18
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. . . has 73,000 miles on it.

Has original headlight bulbs.
Hi Gary, nice to see you here on the Class B Forum. Anyway, get ready for your first headlight failure . . . we just lost our first (at nearly 73,000 miles).

And other forum members, even those with factory units, you should look at Gary's blog . . . very nicely done.

Winston
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Old 01-18-2019, 03:57 PM   #19
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What does UHG stands for ?
Underhood Generator... ie large 2nd generator as used in ambulances. We call it UHG or UG... and EHGNA calls it a GU.
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Old 01-18-2019, 04:12 PM   #20
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And other forum members, even those with factory units, you should look at Gary's blog . . . very nicely done.
I wholeheartedly agree. Gary's blog is not only well done but unbelievably comprehensive. You will learn a lot about class B vans and the systems all class B vans have in common. I consider his blog to be the backbone of my build. Manufactured class B owners will learn a lot about their own vans.

His van heat loss calculator was invaluable to me and the basis for all my decisions on heating and cooling which in turn determined house electrical sizing, etc. Gary conducts experiments on a variety of van systems topics engaging his audience that write in. I think you will enjoy and learn.

Santiago
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