Suburban F-35 furnace squeal....
Time to deal with this. It's been squealing for years, once it heats up. Sometimes not if it's cold enough outside (freezing). I generally get 10=15 min. of running time before the high-pitched const...
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Probably need to just replace the motor. The furnace is usually held down with screws at the corners. Disconnect the propane, electrical and vent then slide it out. Easy job on the workbench. Check the operation of the motor and blower on the bench to be sure about the source of the squeal. Good luck with the repair.
