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Old 01-06-2021, 04:11 PM   #1
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Heater Blower Noise

i have a 2002 Alpine Coach 40' motorhome. My heater blower is making a lot of noise. I cannot figure out how to get the front panel off. i have it loose but it will not come out. Anyone work on theirs before.
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Old 01-06-2021, 04:18 PM   #2
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We are talking the panel under the dash, directly in front of the passenger seat--right? That panel is usually Velcro-ed in place....role carpet strip on bottom back,,,,.some times screws have been added to hold panel....need to separate Velcro on left, right and bottom, and then keeping Velcro separated, move panel to right and pull out bottom at same time.....
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Old 01-07-2021, 01:00 PM   #3
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no the heater for the coach its just about under the restroom or laundry area
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Old 01-07-2021, 02:38 PM   #4
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ok--you are talking about the propane furnace--removal really depends on the exact location and varies from model to model year and length.... but if its like my 2003 40ft MDTS, you have wires, gas line, ducted work and box to disconnect, and then the furnace is enclosed inside a metal mounting box that has dog-ears which are nearly impossible to see or to get to release. The outside wall plate may have screws in the rubber molding and parts of the intake and exhaust pipes slide out with the face plate....a picture of your set up would help us help you. Certainly doable but on some models of Alpine--this is not a fun job...
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Old 01-07-2021, 03:04 PM   #5
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OK, perhaps a WORK AROUND":


From the outside access door, IF (yes, big IF) you can see the fan motor, before replacing it and certainly before pulling the whole furnace, lube it.


Tool required: Long screwdriver or other long tool and a light-viscosity, non detergent oil (think sewing machine oil).


The fan motor has BUSHINGS on either end. Use something to place drops of lube on either side of the motor-- it will wick in.


Long term solution-- maybe not. But may work for several years. Certainly worth a try.
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Old 01-08-2021, 08:36 AM   #6
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On mine the panel on the outside comes off. Look for the intake and exhaust vents. It has a lot of screws holding Carpeted cover. Pull cover to reveal heater. You can remove the whole unit or try to lube the blower fan. Mine is 2002 40'
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Old 01-08-2021, 03:35 PM   #7
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yes mine is a 2002 40' and yes the box is wood with carpet over the wood. the front panel I have all the screws out and the exhaust cover off and the front panel will lift up a little bit but I cannot get the panel to come off. Is there a trick I need to know very frustrating.
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Old 01-08-2021, 04:06 PM   #8
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I'm completely confused..... can you please post a picture of the area you are trying to get open?
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Old 01-08-2021, 04:12 PM   #9
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I had mine off about a month ago. Once you get all the screws out of the bottom ,the top panel[vertical] should come off. the bottom does not remove. There might be a couple of screws in the corner on each side of the top. A picture might help, I assume it is the same as mine. PM me or call me if you cannot figure it out. Mike
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Old 01-08-2021, 04:13 PM   #10
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I assume you have a residential fridge?
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Old 01-08-2021, 04:21 PM   #11
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yes residential fridge. I will post pictures this weekend.
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Old 01-13-2021, 09:55 AM   #12
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heater fan

Quote:
Originally Posted by wolfe10 View Post
OK, perhaps a WORK AROUND":


From the outside access door, IF (yes, big IF) you can see the fan motor, before replacing it and certainly before pulling the whole furnace, lube it.


Tool required: Long screwdriver or other long tool and a light-viscosity, non detergent oil (think sewing machine oil).


The fan motor has BUSHINGS on either end. Use something to place drops of lube on either side of the motor-- it will wick in.


Long term solution-- maybe not. But may work for several years. Certainly worth a try.
But...but the info that comes with motors like that, say they are lubed for life! I guess it depends on whose life they're talking about. Bur seriously folks, yes you may be able to re oil one end of the shaft, but the other end is un reachable unless the motor is removed, and therein lays the problem. Those motors are direct drive, so one end is up against the squirrel cage center disc. Unfortunately, the load is mostly on the bearing that you can't reach.
Dudley Do-Right, '06Apex 40MDTS
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