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Old 07-12-2021, 05:47 PM   #1
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First motorhome owner

Hello Everyone,
My name is Jim, my wife and I retired in November. So due to budget, the demand and cost for coaches today we decide to roll the dice on a fixer upper. It is an '04 Journey 34H with 35K miles on the Cat C7 motor. It looks like it sat for a while, but She's in pretty good shape and runs great. We took her from our place in NorCal to Albuquerque, NM for our first trip out.
FYI and with all due respect to Arizona, traveling Hwy. 40 is a great way to find out if you have anything loose...or need anything shaken loose.
Anyway, the trip went very well with just a couple of issues. 1)The engine oil would heat up on long uphill runs even without a dingy. That was cured by cleaning the radiator with soap and water, then learning how to drive the hills. 2) The chassis AC quit putting out any cool air. This one will be a bit more daunting as I can barely see the compressor let alone put hands on it. I will get into that this week.
Anyway, this forum is awesome, I have already picked up a lot of helpful info. and tips. Thank you all.
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Old 07-12-2021, 07:23 PM   #2
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Welcome to this forum. For information on how you might be able to get your Coleman-Mach Basement AC working for less than $100, you should learn how to check your AC Start & Run Capacitors by typing this into the Winnebago search bar above: imnprsd ac hard start kit

or

you can copy and paste this to your google search bar: imnprsd ac hard start kit site:winnieowners.com

Hopefully all you need is a $7 PTCR, and you can re-use your WSX5 Motor Starter ceramic housing, but it's more likely no one has tuned-up your basement AC in the past, so you may need to spend $100 if your capacitors are not within spec. TBD

This service is easier than you think. And it is preferred you use a multimeter with the ability to read capacitance, but if you don't know how, you can just order all new parts and then replace each component 1-by-1 so you don't get the wires mixed up. (No previous experience required after you read the thread on how to replace your basement capacitors and "hard start kit.")

Note: Before you check your capacitors, I recommend you watch a YouTube video on how to test a capacitor first... or just touch the capacitor connectors with a screwdriver to discharge them as a safety precaution.

PS If your alternator is not charging your House Batteries then you can solve this by adding a Keyline VSR. For more copy and paste: imnprsd keyline VSR site:winnieowners.com
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Old 07-12-2021, 09:30 PM   #3
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Quote:
Originally Posted by EPIJim View Post
The chassis AC quit putting out any cool air.
That's the dash air conditioner... right?
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Old 07-12-2021, 10:12 PM   #4
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Right... You are probably right. That being the case what do you recommend for the OP to do relative to his chassis (dash) AC problem?
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Old 07-13-2021, 07:10 AM   #5
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Chassis air conditioning is something I’d see a specialized service tech for. I don’t consider that a DIY project. Others may feel differently.
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Old 07-13-2021, 07:32 AM   #6
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Quote:
Originally Posted by imnprsd View Post
Right... You are probably right. That being the case what do you recommend for the OP to do relative to his chassis (dash) AC problem?
From Jim's comments, it sounds like he's pretty knowledgeable since he wants to get access to the compressor, but, for the record, here are my thoughts.

1. Is there sufficient airflow? If not, it could be the fan and/or the airflow doors or another glitch in the airflow system

2. Is the compressor is running (ie. Is the belt OK)?

3. Is there an accessible sight glass, if so, what does it show? https://autoacrepair1.com/auto-a-c-s...ass-diagnosis/

Unless 1. or 2. is the problem, I've usually ended up going to an automotive A/C shop. Other than 1. or 2., or a bad compressor, in my experience, the system needs to be checked for leaks and recharged. Most recently, my 2005, Ford E350 had a pinhole leak in one of the refrigerant lines and it took two trips to the shop for them to find it after their initial recharge leaked out over the next few days.
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