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Old 01-15-2022, 08:47 PM   #1
Join Date: Oct 2002
Location: St. George, UT
Posts: 31
Scheduled maintenance 2002 Mountain Aire W-22

HI everyone, looking for some input.

I just purchased a 2002 Mountain Aire with 32,000 miles. I drove it home 2,200 miles without a problem. I'm going to bring it into a local shop to get a baseline maintenance done on it.

Please give me your thoughts on what I should have done. Here's what I'm thinking. Is there anything else?

* Check brake recall (Done & completed)
* Replace Brake Fluid
* Replace brake lines.
* Flush & change radiator fluid
* Oil & Filter
* Air Filter
* Fuel Filter
* Spark plugs
* Hoses
* Belts
* Trans fluid -
⁃ Check to see if Transynd
⁃ Analysis
* Differential fluid
Save old parts for spares

Anything else you recommend?
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Old 01-16-2022, 10:49 AM   #2
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CaptainJerry's Avatar
Newmar Owners Club
Workhorse Chassis Owner
Join Date: Dec 2011
Location: SW VA
Posts: 206
I think you have a pretty comprehensive list.
Not sure why you are replacing the brake lines unless there is evidence of rust or leakage.
As long as you are changing the plugs why not the wires too? Look at the product by UltraRV
Add - grease all chassis lube points.
Add - check oil level in front wheel hubs.
Add - get an alignment done
Add - stick-on foam seal strip along the top edge of the hood opening to prevent rain penetration while driving in rain. Can foul up the wiper motor or get sucked in the intake.
Add - check all caulking and repair / replace as needed.
Add - check the chassis and house batteries and all connections.

You have approximately the same mileage on yours as I had when I bought mine in 2011, so it hasn't been driven that much - maybe used in place yes, but not driven much. That's an average of about 1,700 miles per year. So much the better if it was stored under cover to avoid deterioration from sun exposure.

After you attend to getting all the mechanical systems to a baseline, the next project will most likely be suspension modifications for improved handling and driveability.

There is a wealth of information on this forum relating to this chassis. Some of it may be a few years back in time, but still very applicable. I have been following this forum daily for a long time and have gotten a lot of great information, help and ideas from it. The new posts have slowed as some very active members have moved on, but several still monitor and post to share their knowledge and expertise.

I suggest you edit (create) your signature line to include details of your rig.

Good luck. You chose well.
Jerry and Georgia
'03 Mountain Aire 38' on W22 (8.1 L gas)
2015 GMC Canyon All Terrain towed 4 down
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Old 01-16-2022, 05:11 PM   #3
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Join Date: Aug 2016
Location: Pa
Posts: 634
I agree with Captain Jerry on the Ultra Rv spark plug wires. The W series chassis with the 8.1 is noted for have a problem with burning plug wires. The Ultra Rv wires are expensive but in this situation you buy them and be done with the problem. This was a lesson I had to learn the hard way after scorching a new set of wires in less than 12,000 mi. The Ultra's have 38,000 mi and going strong
2004 Coachman Santara 3480DS Workhorse w-22 Ultra Rv tune with Banks headers, Koni shocks
Retired OTR driver ATA 5 million mile safety award
USMC Vet 1968-1972
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Old 01-16-2022, 07:37 PM   #4
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Workhorse Chassis Owner
Rexhall Owners Group
Join Date: Feb 2003
Location: Everywhere,USA
Posts: 1,497
Part# SPW8100 - UltraPower 8.1L Magnum Workhorse Spark Plug Wires
in a
2003 Rexhall Aerbus 3550BSL
W22 Workhorse
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Old 01-16-2022, 07:47 PM   #5
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Join Date: Apr 2015
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Posts: 158
Blog Entries: 1
2002 Maintenance

Donít forget the air dryer cartridge if you have one. Very important.
Travato John
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Old 01-16-2022, 08:11 PM   #6
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Location: Arizona
Posts: 2,080
Originally Posted by jl.kauai View Post
Donít forget the air dryer cartridge if you have one. Very important.
Travato John
Are those for MH with air brakes?
2004 National Dolphin LX 6320, W-22, 8.1, Allison 1000, Front/rear "Trac" Bars & Anti-sway Bars, Sumo Springs, Roadmaster Reflex Steering Stabilizer, 2005 PT Cruiser Toad
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Old 01-17-2022, 09:04 AM   #7
Join Date: Oct 2002
Location: St. George, UT
Posts: 31
Thanks for all the tips guys, I appreciate it!

I've added them to my punch list, including the spark plug wires as suggested.

As far as the brake hoses, I've read on here that as they age they can collapse internally and prevent the fluid from returning to the master cyc causing the pads to drag. Not sure how big of a problem this is. When I drove the rig 2200 miles home from Cleveland I shot the tires, wheels, etc with an infrared thermometer when I refueled, nothing was running hot, so I don't currently have the problem so I'll hold off on that to spend the funds elsewhere.

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Old 01-17-2022, 09:07 AM   #8
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Posts: 6,659
Originally Posted by CamJam1 View Post
Are those for MH with air brakes?

Correct. So the OP with his W22 will have hydraulic brakes, not air and no air dryer.
Brett Wolfe
Ex: 2003 Alpine 38FDDS. Ex: 1997 Safari Sahara. Ex: 1993 Foretravel U240
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Old 01-17-2022, 02:50 PM   #9
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Posts: 3,566

You can enter your Allison transmission serial number on their website to see what tranny fluid it had when built. There is an ID plate on the passenger side and I had a hard time viewing this until I reached up and took a picture with my cell phone.

Originally Posted by Trvlngnrs View Post
.....* Trans fluid -
⁃ Check to see if Transynd

George Schweikle Lexington, KY
2005 Safari (Monaco)Trek 28RB2, Workhorse W20, 8.1, Allison 1000 5 spd, UltraPower engine & tranny, Track bars & sway bars, KONI FSD, FMCA 190830, Safari Int'l. chapter. 1999 Safari Trek 2830, 1995 Safari Trek 2430, 1983 Winnebago Chieftain, 1976 Midas Mini
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air, led, maintenance, mountain aire

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