I just bought a Class C 2005 Coachmen Leprechaun. When there is the slightest incline the MH just can’t make it. It got down to 45 mph and revved at 4000 and I had my foot to the metal. It was not gonna go any faster. Also between the driver and passenger seats gets very very hot. When the MH was pulled over to rest, we saw NO leaking and all controls were normal. WHat is the issue so I can get it fixed. Thanks for your help
Judi
2005 Gulf Stream Conquest 31ft
BigFoot Levelers,TST in tire TPMS,Bilstein Shocks,Trans temp guage,Lowrace iWAY
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Or the fuel pump is shot, hard solution need to drop the tank to replace the pump.
navegator
2001 F150 SuperCrew
2006 Keystone Springdale 249FWBHLS
675w Solar pictures back up
Probably normal, and he just does not expect that kind of performance loss going up the grades?
Not that it makes any difference, but what chassis is it? (Ford or Chevy).
Good luck!
Mitch
2013 F150 XLT 4x4 SuperCab Max Tow Egoboost 3.73 gears #7700 GVWR #1920 payload. 2019 Rockwood Mini Lite 2511S.
---------------------------------------
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darsben1 wrote:
did you try downshifting?
did you try downshifting?
He was doing 4000 RPM. Not sure down shifting is an option.
You may be maxed out on power but it doesn't hurt to check the things others have suggested. I fit has more than 50K miles on it, I would swap out the 02 sensors as well. They may work good enough for the computer to not turn on a light but they get lazy and rob power and fuel efficiency long before throwing codes.
For domestic products, they are usually very cheap and as easy to change as a spark plug.
It doesn't sound to me like it's likely to be a fuel problem (though I could well be wrong). I would check the air filter first and the exhaust system for constrictions or plugging second. It would also not hurt and not be hard to inspect the air inlet piping for obstructions or unusual constrictions. Apparently at least some versions of the air deflector (on the Ford chassis) have a sort of flap that can get out of place where the tube to the air cleaner hooks into the diverter thingy on top of the grille.
It's not unusual for the floor to get fairly warm between the seats, as there are exhaust components--and the transmission--right underneath there. This is particularly true under load at relatively slow speeds (at high speeds, there's more airflow to move the heat away). It's also annoyingly normal for the vents to blow quite warm air, especially after being parked for a brief time, since the engine is right under the dashboard and vent ducts.
(Note: I'm generally assuming a Ford E-series chassis; some details may be different for others.)
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I pass you Class C's and A's all the time now with the rig in my sig...
![[emoticon]](http://www.coastresorts.com/sharedcontent/cfb/images/smile.gif "smile")
But, I'm a lot less weight, so it's all relative..I think it's normal, so just gotta adjust your expectations more than anything else... If it was fuel or exhaust related, you would not be able to pull 4000 rpms and still be going 45 mph... You'd be at a max of around 3000 rpms and maybe 25 mph if it was one of those being your problem (and the engine would be missing or bogging like heck)... IMO...
![[emoticon]](http://www.coastresorts.com/sharedcontent/cfb/images/wink.gif "wink")
Good luck!
Mitch
Turtle n Peeps wrote:
What's the problem? You ran out of horsepower. Running a big box up a hill takes a lot of horsepower. 45 MPH going out a big hill is pretty good. No CEL no problem.
What's the problem? You ran out of horsepower. Running a big box up a hill takes a lot of horsepower. 45 MPH going out a big hill is pretty good. No CEL no problem.
Assuming this is an E450....mine did the same thing. Even on small hills......when the cruise was set. Anticipating the hills and gaining an extra 5 MPH BEFORE the actual grade can help a lot; this gets your foot "in it" early.
Long or steep hills, that's just the way gravity and drag works.
My replacement rig does that too....some.....and it has the big GM Workhorse chassis.
Now.....I got the electronic "retune" for my 450. It helped some. I could leave the cruise set until the terrain got somewhat worse.
My 450 is now gone and the tuning kit is for sale, at less than half the original price. Look it up in threads on here.
HOWEVER.....there was one minor annoyance:
With the "re-tune", as the engine pulled harder going up hills, it lost enough engine vacuum that the A/C output was directed to the windshield vents. It returned to normal after the hill. This did not happen when stock.
Terry & Shay
Coachman Apex 288BH.
2013 F150 XLT Off Road
5.0, 3.73
Lazy Campers
And yes 4K rpm from a V-10 Triton is ok, that’s where it’s making its power.
You had a truck hooked up to your class C? I’d that how I read your last post? If so that is asking a lot of the V-10!
now i have a motor home with this issue. Ok so I see I may have a problem. Do you know what it can be?I want to be a little knowledgeable when I bring it into the shop so that they don't sell me a bunch of nothing. Thanks for your reply
Yes, the class C shouldn't have an issue. It`s possible you have a plugged fuel filter. hard to say on the internet. I also know the trans likes to short shift, meaning it doesn't let you get the full benefit of its powerband. I used to have to shift mine manually to get it to tow good in the mountains. I then put a 5 star tune in it and it made it tow like it should.
Having said all that, what you experienced could be "normal" performance. Perhaps influenced by weight, grade and/or altitude.
For reference, we've seen 45mph a few times in our 32' class c pulling a 4000lb toad up some seemingly "gentile" inclines. However, what I sometimes forget to keep in mind is the altitude and duration of these grades... yep, the longer the pull, the more difficult it is to maintain a full head of steam. Momentem only gets you so far! LOL
Good luck,
Gary
My E-series has a button on the end of the gear selector to cancel Overdrive, which I always do when approaching a hill.
Do not be afraid to downshift to second gear. Just watch the temperature gauge and pull over if it is in the HOT range. If you are really paranoid, have a shop install a transmission fluid temperature gauge.
Worst case, find a shop that specializes in rear axles and ring and pinion gears. If you do NOT have a 4.10 rear axle ratio, installing it may be worth the cost is you travel in the hills a lot.
John and Judie Beliera
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Average 10 percent for nine miles with a few hairpins to make sure you do not get a run at it.
98 Coachmen "C" Santara Model FL (Front Lounge) 30.4
Ford V 10 Super Duty (same as E 450)
rv2017 wrote:
Hi there
I just bought a Class C 2005 Coachmen Leprechaun. When there is the slightest incline the MH just can’t make it. It got down to 45 mph and revved at 4000 and I had my foot to the metal. It was not gonna go any faster. Also between the driver and passenger seats gets very very hot. When the MH was pulled over to rest, we saw NO leaking and all controls were normal. WHat is the issue so I can get it fixed. Thanks for your help
Judi
Hi there
I just bought a Class C 2005 Coachmen Leprechaun. When there is the slightest incline the MH just can’t make it. It got down to 45 mph and revved at 4000 and I had my foot to the metal. It was not gonna go any faster. Also between the driver and passenger seats gets very very hot. When the MH was pulled over to rest, we saw NO leaking and all controls were normal. WHat is the issue so I can get it fixed. Thanks for your help
Judi
It's pretty simple, there's nothing wrong with your rig just typical crappy gas engines not made for heavy loads.
I had a 2009 GMC 2500 with the 6L vortec engine. Coming uphill traveling east on I40 at the continental divide I was cranking 4500 rpm and barely making 40 mph. I told my wife then that if we ever did that trip again I would buy a diesel. I now have a 2013 GMC 2500 with the Duramax.
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.jpg)
allen8106 wrote:
It's pretty simple, there's nothing wrong with your rig just typical crappy gas engines not made for heavy loads.
I had a 2009 GMC 2500 with the 6L vortec engine. Coming uphill traveling east on I40 at the continental divide I was cranking 4500 rpm and barely making 40 mph. I told my wife then that if we ever did that trip again I would buy a diesel. I now have a 2013 GMC 2500 with the Duramax.
rv2017 wrote:
Hi there
I just bought a Class C 2005 Coachmen Leprechaun. When there is the slightest incline the MH just can’t make it. It got down to 45 mph and revved at 4000 and I had my foot to the metal. It was not gonna go any faster. Also between the driver and passenger seats gets very very hot. When the MH was pulled over to rest, we saw NO leaking and all controls were normal. WHat is the issue so I can get it fixed. Thanks for your help
Judi
Hi there
I just bought a Class C 2005 Coachmen Leprechaun. When there is the slightest incline the MH just can’t make it. It got down to 45 mph and revved at 4000 and I had my foot to the metal. It was not gonna go any faster. Also between the driver and passenger seats gets very very hot. When the MH was pulled over to rest, we saw NO leaking and all controls were normal. WHat is the issue so I can get it fixed. Thanks for your help
Judi
It's pretty simple, there's nothing wrong with your rig just typical crappy gas engines not made for heavy loads.
I had a 2009 GMC 2500 with the 6L vortec engine. Coming uphill traveling east on I40 at the continental divide I was cranking 4500 rpm and barely making 40 mph. I told my wife then that if we ever did that trip again I would buy a diesel. I now have a 2013 GMC 2500 with the Duramax.
Nothing crappy about the Ford V-10! In fact it will hang right with a stock diesel. Another point of fact, I had a guy in a Super C with a diesel try passing me and he just couldn’t do it. He ended up settling in behind my V-10 for the rest of that leg of my trip. THe OP has a problem with his. Hopefully he gets it sorted out.
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* This post was edited 10/20/17 04:57pm by jbeliera *
jbeliera wrote:
well 4x4 you being a Cali boy you should know all about grades, especially with Donner,The Grape Vine and not to mention Sonora Pass the mother of all Grades. Been there done that. Did Sonora pass, but not with an RV too narrow and steep
well 4x4 you being a Cali boy you should know all about grades, especially with Donner,The Grape Vine and not to mention Sonora Pass the mother of all Grades. Been there done that. Did Sonora pass, but not with an RV too narrow and steep
Sonora Pass may be only the Aunt of all Grades. Probably something like Old Priest Grade is the Mother.
Back on topic: The OP's 29 foot Class C is not exactly a small one ... even when the E450's stump pulling rear end differential ratio is pulling it. Our 24 foot Class C on an E450 can fly up grades, but it does at times take high V10 RPM to do it. Owners not used to demanding high RPM from a truck engine might think that their V10 chassis is under-powered.
* This post was edited 10/22/17 10:54am by pnichols *
2005 E450 Itasca 24V Class C
bguy wrote:
Check for plugged exhaust, especially cats if any.
Check for plugged exhaust, especially cats if any.
If your cats are plugged maybe you can give them a enema. I don't know how that is going to help out your RV problem .
I don't think that trying to give a cat a enema is going to be very easy though.
Unless bguy means that there is a cat plugging your exhaust. I hope not.
![[emoticon]](http://www.coastresorts.com/sharedcontent/cfb/images/tongue.gif "tongue")
(This is my attempt at humor, I hope that someone gets it)
CavemanCharlie wrote:
If your cats are plugged maybe you can give them a enema. I don't know how that is going to help out your RV problem .
I don't think that trying to give a cat a enema is going to be very easy though.
Unless bguy means that there is a cat plugging your exhaust. I hope not.
(This is my attempt at humor, I hope that someone gets it)
bguy wrote:
Check for plugged exhaust, especially cats if any.
Check for plugged exhaust, especially cats if any.
If your cats are plugged maybe you can give them a enema. I don't know how that is going to help out your RV problem .
I don't think that trying to give a cat a enema is going to be very easy though.
Unless bguy means that there is a cat plugging your exhaust. I hope not.
(This is my attempt at humor, I hope that someone gets it)ROTFLMAO - Yup, your attempt at humour Notice the CDN spelling, EH) was spot on. Very good stuff!
and yes, for the OP, if your RV has a Cat Converter stiff on it you may have to have it checked for flow performance.
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Mike
Something Old, Something New
2012 F350 SRW, 6.7l Powerstroke, 3.55's front and rear.
2008 Fleetwood Regal 325RKTS
Mike, Carol and our 4 legged "furry child" Kenzie Shweenie Tod
Cold air intake, higher flower exhaust, headers, tuner if avail, more aggressive rearend gear, etc. Squeaking a little more hp/tq may help the engine run a little more efficiently.
My Tundra used to scream up some hills, even with the 5.7 gasser. My CTD Ram just pokes along in 5th gear up the same grades.
dodge guy wrote:
Nothing crappy about the Ford V-10! In fact it will hang right with a stock diesel. Another point of fact, I had a guy in a Super C with a diesel try passing me and he just couldn’t do it. He ended up settling in behind my V-10 for the rest of that leg of my trip. THe OP has a problem with his. Hopefully he gets it sorted out.
Nothing crappy about the Ford V-10! In fact it will hang right with a stock diesel. Another point of fact, I had a guy in a Super C with a diesel try passing me and he just couldn’t do it. He ended up settling in behind my V-10 for the rest of that leg of my trip. THe OP has a problem with his. Hopefully he gets it sorted out.
Not to say the V10 isn't a stout motor when towing, but any new diesel from the big 3 have 800+ tq and 350+ hp. That's twice the torque than the V10s. Theres really no comparison when loaded.
RoyBell wrote:
What about a tuneup (new plugs, filters, etc) and some engine modifications to create a little more power?
Cold air intake, higher flower exhaust, headers, tuner if avail, more aggressive rearend gear, etc. Squeaking a little more hp/tq may help the engine run a little more efficiently.
My Tundra used to scream up some hills, even with the 5.7 gasser. My CTD Ram just pokes along in 5th gear up the same grades.
Not to say the V10 isn't a stout motor when towing, but any new diesel from the big 3 have 800+ tq and 350+ hp. That's twice the torque than the V10s. Theres really no comparison when loaded.
What about a tuneup (new plugs, filters, etc) and some engine modifications to create a little more power?
Cold air intake, higher flower exhaust, headers, tuner if avail, more aggressive rearend gear, etc. Squeaking a little more hp/tq may help the engine run a little more efficiently.
My Tundra used to scream up some hills, even with the 5.7 gasser. My CTD Ram just pokes along in 5th gear up the same grades.
dodge guy wrote:
Nothing crappy about the Ford V-10! In fact it will hang right with a stock diesel. Another point of fact, I had a guy in a Super C with a diesel try passing me and he just couldn’t do it. He ended up settling in behind my V-10 for the rest of that leg of my trip. THe OP has a problem with his. Hopefully he gets it sorted out.
Nothing crappy about the Ford V-10! In fact it will hang right with a stock diesel. Another point of fact, I had a guy in a Super C with a diesel try passing me and he just couldn’t do it. He ended up settling in behind my V-10 for the rest of that leg of my trip. THe OP has a problem with his. Hopefully he gets it sorted out.
Not to say the V10 isn't a stout motor when towing, but any new diesel from the big 3 have 800+ tq and 350+ hp. That's twice the torque than the V10s. Theres really no comparison when loaded.
He must've meant an old stock diesel like a 6.5 GM or a 7.3 or 12V. New diesels are not even in the same league.
V10s are great engines. Add altitude and load and they peter out like any other NA engine.
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RoyBell wrote:
Not to say the V10 isn't a stout motor when towing, but any new diesel from the big 3 have 800+ tq and 350+ hp. That's twice the torque than the V10s. Theres really no comparison when loaded.
Not to say the V10 isn't a stout motor when towing, but any new diesel from the big 3 have 800+ tq and 350+ hp. That's twice the torque than the V10s. Theres really no comparison when loaded.
That's 800+ ft-lbs of torque on the diesel engine's crankshaft, but it's of course torque on the drive wheels that counts. You get that by using the proper gears to convert engine horsepower into the required final amount of torque at the drive wheels.
The turbo boost on modern diesel engines is what gives them a load pulling advantage at mountain altitudes over equal horsepower gas engines that aren't boosted - when comparing the same loads moved at the same speeds. It's too bad that modern big gas truck engines aren't boosted like the diesels are so that on grades - between the two types - you get equal pulling performance with equal horsepower.
FWIW, when I downshift our V10 and it's RPM makes a step function jump into the 4500-5000 range ... I feel a solid punch in the seatback as torque on the rear dullies leaps up.
Yes I did mean he same years as my 02. It the guy in the super C with the diesel was only about 3 years old. Granted he was maybe about 5k lbs heavier, but even with that and a newer diesel he should’ve been able to walk right by me.
Again either way the OP has an issue with his he needs to sort out.
Gary
rv2017 wrote:
Hi there
I just bought a Class C 2005 Coachmen Leprechaun. When there is the slightest incline the MH just can’t make it. It got down to 45 mph and revved at 4000 and I had my foot to the metal. It was not gonna go any faster. Also between the driver and passenger seats gets very very hot. When the MH was pulled over to rest, we saw NO leaking and all controls were normal. WHat is the issue so I can get it fixed. Thanks for your help
Judi
Hi there
I just bought a Class C 2005 Coachmen Leprechaun. When there is the slightest incline the MH just can’t make it. It got down to 45 mph and revved at 4000 and I had my foot to the metal. It was not gonna go any faster. Also between the driver and passenger seats gets very very hot. When the MH was pulled over to rest, we saw NO leaking and all controls were normal. WHat is the issue so I can get it fixed. Thanks for your help
Judi
Sorry to ask, but did you buy a rental? My daughter rented one of those Leprechaun's and it was seriously under powered. Would barely go up a hill. Just wondering.
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1. Built on the E350 chassis instead of the E450 chassis. The E450 chassis has a lower rear differential ratio so it pulls up grades better.
2. The air cleaner assembly had this slight and easy to fix error in how it was put together: https://www.revbase.com/BBBMotor/TSb/DownloadPdf?id=169332