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I don’t have an 03 but I had a05 and now an 08,usually below the outlet vent is the evaporator coil where the filter is located,I usually vacuum or remove them and wash them every 2 to 4 months.The amount of time that the Cruise Airs are used determines how often they should be cleaned.

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Brady,

I don’t have slides, so yours may be different. Front filter is above the entry door, port side is in the galley, stbd side is, are you ready for this, behind the refrigerator and the bedroom is above the bed. Again, your configuration may be different depending on the layout. Tell us what layout you have and I’m sure someone with the same deal will jump in.

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Tom:

I have a single slide / 500th edition so port side has the refrigerator just behind the unit…

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Brady,

I know your mission is to find the filters, but I would recommend expanding your efforts.

When you have a new-to-you coach the location of various things is often unknown and one thing I try to do as soon as practical is to start opening panels. Access to our Cruiseair filters for the most part is via latches so you can just pull the panels open in most instances. But if you poke your nose around the coach you will begin to see a lot of removeable panels. It is worthwhile to open them up and with a flashlight learn what is behind those panels.

You should make note of what is hidden because over time that information becomes valuable. For example you might find the shut off valves for a sink or the water expansion tank that occasionally needs its pressure adjusted. Behind the front stairway panel you are likely to find the filter for the driver’s air, but also the brain for the door lock with the master code.

It’s kind of like playing hide and seek.

[Corey]

My Cruise air temperature readings on the control keypad must be on drugs?. They are off big time. I have followed the instructions in the manual for re calibrating the thermometer readings but it continues to be off. Any further suggestions. I am talking a variation as much as 5 degrees from a comparison to three independent thermometers.

All other functions seem to be normal – I just have to set it at 62 to get 68 at night.???

Advice from non experts are welcome too!

[Bill]

Mine does the same thing Roger, when you sort it out, let me know. I have to spend some quality time with the SMX controls once I get all my AV stuff done.

[Peter]

Rodger do you have an IR temperature meter? If so, shoot the temperature sensor while the air is on and see what it says. Sometimes the sensors end up getting installed in the direct path of the cooled air or get cooled air hitting them from cooled air behind the surface they are mounted on/in.

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That can’t happen, it’s a Liberty!:)

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If my memory is correct, there was a procedure in the SMX documentation that described calibration.

However, I found it simpler to set the temperature at a comfortable limit and ignor the display. I decided that it was more important to be comfortable than have the display be perfectly accurate…which probably wasn’t going to happen anyway.

Having perfectly calibrated temperature displays, on all four CruiseAir units, never made it to the top of my maintenance priority list.

[Paul]

As Paul says there is a lot of information in the Cruiseair manual about the SMX panel, including calibration. One of the ones I had on the 97 coach did what Roger described and I did the whole procedure to set it.

If I remember it lasted a trip or two and acted up again so I did what Paul said and just set the temp to one that was comfortable and ignored the display. It wasn’t long before it started showing the correct temp again, at which point I gave up and stopped trying for accuracy. As long as the bus temps were comfortable and it cycled when needed I ignored it.

[Darrell]

My coach has the filters above the entrance door, in the dining area on the wall, behind the cloths hamper, and under the sink in the bedroom, you need to be double jointed to get to the last one. Gary

[Susan]

Thanks for the all the replies. I think I like Paul’s and Jon’s advice. I will set the thermostat to be comfortable and just get by the best I can. This camping stuff is tough. But somebody has to do it.

On another note – does anyone know what a Michelin 365x70x22.5 tire cost when you are setting on the side of Interstate 40 in the bus capital of the South (Nashville) with a blow out? I do.

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$1000 or so?

[glen]

1300.00

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Apart from the cost of the tire and service call, a blown tire has the potential to do some serious and expensive damage.

Roger and I spoke and I will let him fill in the details, but it is not uncommon for a blowout to do body panel damage, fender damage, or take out air lines, air bags or even a brake chamber. Be aware of your date codes and also check those tire pressures.