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Old 07-31-2018, 05:17 PM   #1
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Suburban furnace making slight squeal

My 3 yr old Forester's furnace is starting to make a slight squeal once it warms up. We used it the other day as the temperature at Morro Bay dropped down to the mid 50's. It's obviously out of warranty. The furnace is located on my model underneath the kitchen base cabinet with little to no access as it's up in a corner and only accessible by removing the drawer under the oven.
I noticed a larger plate cover that the furnace burner vent and exhaust tubes go thru. Do you think removing the large 10"x20" plate cover will give me enough access to see where the squirrel cage is making contact?
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Old 08-01-2018, 04:06 PM   #2
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Really, so no one has ever taken the furnace outside cover off and had a squeal?
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2016 Forester 2701DS (Aug 31, 2015)
2017 Camping 12 trips 38 nights
2018 Camping 10 trips 38 nights
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Old 08-02-2018, 11:44 AM   #3
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The truth is we seldom use the furnace. Once it makes it through the PDI it will never be turned on again probably... Between the A/C heat strips, and a nice 1500W electric space heater with a thermostat and fan, we don't need to use our LP running the furnace. If we ever boon dock it might be a different story...

Looking at the documents available on line, at Forest River, I suspect you'll have to remove the furnace to access the cage...
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Old 08-03-2018, 07:05 AM   #4
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Quote:
Originally Posted by RedLdr1 View Post
Looking at the documents available on line, at Forest River, I suspect you'll have to remove the furnace to access the cage...
That's what I thought, not sure how to remove it.
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2004 Winnebago Minnie 22e(went to a nice family Oct 3, 2015)
2016 Forester 2701DS (Aug 31, 2015)
2017 Camping 12 trips 38 nights
2018 Camping 10 trips 38 nights
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Old 08-03-2018, 07:59 AM   #5
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I'm not familiar with your rig.

On mine, I removed the air return vent in front of the heater and that allowed me access to remove the gas line and unscrew several hold down screws in the front. In the back, I disconnected hard electrical wiring (12 volts) and was able to slide out the entire heater.

My heater sat on a 1/2 inch or so fiberglass type gasket and I ordered a new one so I would not have leaks form the heater output which was on the bottom.

Hope this helps, good luck.
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