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11-29-2021, 10:52 AM
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#1
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Senior Member
Join Date: Nov 2020
Location: Ft Myers
Posts: 293
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A/C whistling
Does anyone know how to make the AC stop whistling? I'm going to try to upload a video when I get a chance.
Also in case this AC is about to go is their an AC that everyone reccomends? I have 23foot jayflight tt.
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11-29-2021, 11:17 AM
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#2
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Senior Member
Join Date: Jun 2012
Posts: 195
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Teach it the words.
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11-29-2021, 11:19 AM
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#3
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Senior Member
Join Date: Nov 2020
Location: Ft Myers
Posts: 293
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Whistle while you work?
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11-29-2021, 11:46 AM
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#4
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Senior Member
Join Date: Mar 2019
Location: Brunswick Hills
Posts: 916
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Quote:
Originally Posted by Jayco2015JayFLIGHT
Does anyone know how to make the AC stop whistling? I'm going to try to upload a video when I get a chance.
Also in case this AC is about to go is their an AC that everyone recommends? I have 23foot jayflight tt.
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My best guess: It's possible the whistling is from a clogged filter.
__________________
Experience is what you get when you don't get what you want.
"We'll be friends until we're old and senile,....then we'll be new friends."
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11-29-2021, 01:17 PM
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#5
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Senior Member
Join Date: Jun 2016
Location: Denver
Posts: 4,248
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Quote:
Originally Posted by sirrealone
Teach it the words.
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__________________
2016 Greyhawk 31FK
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11-29-2021, 02:03 PM
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#6
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Senior Member
Join Date: Nov 2020
Location: Ft Myers
Posts: 293
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Quote:
Originally Posted by muckinfuss
My best guess: It's possible the whistling is from a clogged filter.
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I change the filter often, at least once a month.. but next time it whistles I'll pull it out n see if it stops. It doesn't whistle all the time but gettin more frequent. Here's the video so u can hear it.
https://youtu.be/ipag1499NRE
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11-29-2021, 02:04 PM
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#7
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Senior Member
Join Date: Nov 2020
Location: Ft Myers
Posts: 293
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11-29-2021, 05:14 PM
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#8
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Senior Member
Join Date: Jul 2014
Location: Silver Spring, MD
Posts: 1,808
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Consider opening the dump vents slightly. My front dump vent whistles if its completely closed. I nudge it just a teeny bit to reduce the pressure and the whistling immediately stops.
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11-30-2021, 10:24 AM
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#9
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Senior Member
Join Date: Aug 2018
Location: ridgecrest
Posts: 1,196
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Is it Dixie
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11-30-2021, 02:00 PM
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#10
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Senior Member
Join Date: Nov 2020
Location: Ft Myers
Posts: 293
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What's dixie?
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11-30-2021, 02:56 PM
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#11
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Site Team
Join Date: Apr 2012
Location: Newark, NY
Posts: 15,931
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My first impression listening to it is it's more a metallic sound. I wonder if you have a motor bearing that's dry, or going bad. You could take off the shroud on the roof unit, and see if it's louder up there. Put a couple drops of 3 in 1 oil on the shaft by the bearings, let it seep into the bearing surfaces and see if it goes away.
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Moderator
Think you're too old to cry or swear out loud...walk into your hitch in the dark.
2012 Jay Flight 19RD
2016 Ford F150 XLT 2X4 SC 3.5L Eco Max Tow
2010 Tundra TRD DBL Cab (Traded)
2 new fluffy Corgis, Bayley and Stanley
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11-30-2021, 03:20 PM
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#12
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Senior Member
Join Date: Nov 2020
Location: Ft Myers
Posts: 293
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Quote:
Originally Posted by JFlightRisk
My first impression listening to it is it's more a metallic sound. I wonder if you have a motor bearing that's dry, or going bad. You could take off the shroud on the roof unit, and see if it's louder up there. Put a couple drops of 3 in 1 oil on the shaft by the bearings, let it seep into the bearing surfaces and see if it goes away.
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This Actually started like 6 months ago. I went up and I could not get one of the screws off the shroud so I couldn't remove it. So I sprayed WD-40 using two straws so I could reach through the crack of the shroud and then let the AC run a couple times and then I followed it up with white lithium grease. I only saw two spinning areas that I applied it too. I thought I'd help as it went away for a while. I went back up and did the same thing but it didn't seem to help this time. I don't know if there's somewhere to apply from the inside Maybe?
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11-30-2021, 04:34 PM
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#13
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Senior Member
Join Date: Aug 2018
Location: ridgecrest
Posts: 1,196
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Quote:
Originally Posted by Jayco2015JayFLIGHT
What's dixie?
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Whistling 'Dixie'
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11-30-2021, 05:29 PM
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#14
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Site Team
Join Date: Apr 2012
Location: Newark, NY
Posts: 15,931
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Since the noise went away after you sprayed it, there's a good chance it's the motor or bearings you're hearing. The evaporator side bearing area of the motor won't be accessible from the inside...I don't think. It's been a while since I've dropped our inside panel. If you can't see the forward shaft that has the squirrel cage blower wheel, then the metal cover over the evaporator coil, under the shroud, has to be removed to gain access to that end of it. It's a bummer that one shroud screw won't come out.
__________________
Moderator
Think you're too old to cry or swear out loud...walk into your hitch in the dark.
2012 Jay Flight 19RD
2016 Ford F150 XLT 2X4 SC 3.5L Eco Max Tow
2010 Tundra TRD DBL Cab (Traded)
2 new fluffy Corgis, Bayley and Stanley
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12-09-2021, 06:06 AM
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#15
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Senior Member
Join Date: Nov 2020
Location: Ft Myers
Posts: 293
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Quote:
Originally Posted by JFlightRisk
Since the noise went away after you sprayed it, there's a good chance it's the motor or bearings you're hearing. The evaporator side bearing area of the motor won't be accessible from the inside...I don't think. It's been a while since I've dropped our inside panel. If you can't see the forward shaft that has the squirrel cage blower wheel, then the metal cover over the evaporator coil, under the shroud, has to be removed to gain access to that end of it. It's a bummer that one shroud screw won't come out.
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Yea bummer. Is the motor or bearing replaceable or do you just buy a new unit. It only 6 or 7 years old. How long do these rv acs usually last? Coleman Mach 15 I believe. Still works perfevt just the screeching is gettin annoying..
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12-09-2021, 08:22 AM
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#16
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Senior Member
Join Date: Aug 2011
Location: Missouri City, The Republic of Texas
Posts: 5,063
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My AC’s are Coleman and the motors are replaceable. One of mine started making a droning noise, pulling the cover I discovered some play in the shaft. Sourced a new one on amazon.
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2013 F-350 CC SB 2WD 6.7PS
2013 Eagle Premier 351 RLTS
-SOLD- 2012 X23B
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12-11-2021, 07:00 PM
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#17
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Junior Member
Join Date: Jan 2015
Location: Phoenix
Posts: 28
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We had the same sort of noise in our front cab air conditioner blower motor. It turned out to be a dry bearing in the motor. It will become an almost unbearable squeal at times. They replaced the motor and it is quiet once more!
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01-19-2024, 07:53 AM
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#18
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Junior Member
Join Date: Dec 2023
Location: Homestead
Posts: 3
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What kind of oil drops are supposed to be applied to the bearings?
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01-19-2024, 09:22 AM
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#19
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Site Team
Join Date: Apr 2012
Location: Newark, NY
Posts: 15,931
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__________________
Moderator
Think you're too old to cry or swear out loud...walk into your hitch in the dark.
2012 Jay Flight 19RD
2016 Ford F150 XLT 2X4 SC 3.5L Eco Max Tow
2010 Tundra TRD DBL Cab (Traded)
2 new fluffy Corgis, Bayley and Stanley
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01-19-2024, 05:21 PM
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#20
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Senior Member
Join Date: Mar 2021
Location: St Johns MI
Posts: 1,728
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Quote:
Originally Posted by Aliyahe
What kind of oil drops are supposed to be applied to the bearings?
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Guessing they are supposedly "lifetime lubricated" bushing style bearings. WD40 is too light to last long but will penetrate well. I'd try a few drops of motor oil applied with a toothpick or similar, but don't overdo it.
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