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Old 09-09-2019, 11:03 AM   #1
Senior Member
Monaco Owners Club
Join Date: Jul 2018
Location: Elizabethtown, Ontario
Posts: 114
Losing Power?

Last month we took a trip from our place to Prince Edward Island, about 1000 miles each way. On our second day/Saturday we lost the belt that runs the alternator and the fan/water pump on Highway 20 in Quebec.

So I was sitting on the side of the road with my engine off and 4 way flashers on when a Quebec provincial cop pulled up in front of me and told me I had to pull the MH off the side of the road.

I tried to explain to him our issue, but he spoke very little English & I speak no French. Finally a Highway Assistance Officer came along and he spoke a little bit of English, enough to tell me that I had to remove the MH off the road or I was liable for a $500-$1000 fine for each day it was on the road and this was Saturday afternoon.

My wife was trying to find a truck garage that was open so we could get some type of road side service. I thought since it was a serpentine belt, it could be repaired on the roadside. But no luck in finding a garage that was open and the only roadside repair could not come out to us could not be there until Sunday.....maybe, if he could find the part.

Anyway to make this story short, I had to limp along the highway going about 1 mile then stopping and waiting until the engine cooled down a bit, then doing it again. All the time the Highway Assitance Officer was getting angrier and angrier, even at the 3 tow trucks that he had called because they knew not how to tow a Motor Home.

So finally we reached a exit ramp and made our way to a Tim Horton's where we pulled into and explained to the only English speaking person our situation and they let us spend the night.

Fortunately, there was a truck garage about 10 miles away and we had all day Sunday to limp there. So we did by doing the same procedure mile by mile, pissing a lot of people off and making some laugh.

Now here is my concern, because we drove with a very hot engine, like with the gauge right at the top of the red, could we have done any damage?

We went through an area of Quebec with very steep roads and I noticed that the MH could not maintain speed going up hill with my toad behind. I can't remember if there was a similar situation previously, but when we were in the Finger Lakes the MH did not maintain speed on some of the hills there also.

But by running it real hot, could it be possible that there was a compression loss and how could this be checked.
How do you go about doing a compression test on a Diesel engine?

Or should I take it to a diesel mechanic and have them check it? My neighbour who is a car mechanic says that this could be very expensive just to have it tested.

40 foot 2002 Monaco Diplomat
2005 Ford Focus to tow around
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Old 09-09-2019, 11:30 AM   #2
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Join Date: May 2014
Posts: 773
A compression test might be possible. If you can pull the injectors out without removing
the rocker arms other wise a cylinder leakage test is possible. Neither job is simple.

36 ft 98 Dynasty
98 Suzuki Sidekick Sport 4 door
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Old 09-09-2019, 11:52 AM   #3
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Join Date: Oct 2009
Location: Tucson, AZ
Posts: 3,600
I recommend fixing the belt and changing the engine oil/filter. The Cummins ECU will derate and/or shut down the engine when the temperature reaches the programmed limits. This is to protect the engine.
Also check the idler pulleys, alternator, and water pump for smooth running. One of these may have caused the belt failure. When you get time, purchase spare belts and carry them with you.

Best of luck!
97 Monaco Windsor- Sold
07 Monaco Executive McKinley- Sold
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Old 09-09-2019, 12:53 PM   #4
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Join Date: Jul 2014
Posts: 18,542
You may just need to replace the fuel filters to fix the low power issue.
How long has it been since they were changed ?

I can't see how a trooper can make you risk engine damage. Its not your fault if they can't find a tow for you.
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Old 09-10-2019, 02:56 AM   #5
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Join Date: Jul 2018
Location: Elizabethtown, Ontario
Posts: 114
This was in Quebec twinboat, the oddest of all the provinces in Canada.
40 foot 2002 Monaco Diplomat
2005 Ford Focus to tow around
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