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Old 07-01-2019, 09:10 PM   #1
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AC Condenser Fan

We bought a 2019 Tiffin Allegro RED 37BA and just returned home from our 2nd trip. I talked to our dealer about a fan located between the 2 front tires which he said was the AC condenser fan about the cycling of this fan. It cuts on and runs for about a min and then cycles off for about 20 secs and then right back on again. Of and on like this for the entire trip. The dealer says normal but it drives me crazy while driving. I can hear every cycle of this thing seems to me it should either stay on longer of stay off longer. Any help on this would be appreciated as to it being normal or not...

Not to mention the AC's dont cool the rig on hot days but that's another thread... LOL
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Old 07-01-2019, 09:53 PM   #2
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The condenser fan on my Freightliner chassis( in front of the front axle ) is directly tied to the operation of the A/C compressor , if the compressor is cycling the fan is running .

Does your dash A/C seem to work properly ? Cold enough ?

BTW: I can only hear my fan if I'm at idle, in traffic, with the window open.
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Old 07-01-2019, 11:58 PM   #3
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Quote:
Originally Posted by Skip426 View Post
The condenser fan on my Freightliner chassis( in front of the front axle ) is directly tied to the operation of the A/C compressor , if the compressor is cycling the fan is running .

Does your dash A/C seem to work properly ? Cold enough ?

BTW: I can only hear my fan if I'm at idle, in traffic, with the window open.
Yes the dash AC seems to work good. My fan is same place yours itís it seems. I donít understand why mine cycles so much. Seems like it would wear out a switch or something cycling so often.
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Old 07-02-2019, 07:48 AM   #4
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The fan cycling is perfectly normal when moving slow or idling but it shouldn't cycle much if any when moving at highway speed. It's all about air flow over the condenser coils under the chassis. I will say the fan on our Freightliner chassis was much louder than the one on our Power Glide.
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Old 07-02-2019, 05:19 PM   #5
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The fan cycling is perfectly normal when moving slow or idling but it shouldn't cycle much if any when moving at highway speed. It's all about air flow over the condenser coils under the chassis. I will say the fan on our Freightliner chassis was much louder than the one on our Power Glide.
LtDan... Thanks for the info bud. Mine cycles from the time you start the engine till you shut it down. Idling, moving, driving 65mph it cycles the same and the same time frame. Drives me nuts... Gonna schedule an appt. and tell them if thats normal, then go drive it about 5 hrs and see how your nerves are when you're done. Its not loud by no means but I have tuned in to it now and can hear every cycle.
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Old 07-03-2019, 07:56 AM   #6
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Our 2018 Allegro Red does the same thing, cycles on/off regardless whether we are moving or stopped, we crank up the radio, problem solved.
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