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07-07-2016, 06:26 PM
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#1
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Junior Member
Brand: Thor Motor Coach
State: Florida
Posts: 4
THOR #4518
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29.4 Whistling Noise above 55MPH
Hello,
We just purchased a 2016 Thor Ace 29.4 with 2300 miles on the odometer. We are in the middle of the maiden voyage (Orange City Fl to Asheville NC) over 55 mph there is an annoying whistle that seems to be coming from the engine area. It stops below 55 or any time that a large vehicle is in front of or to the right of the vehicle. (I guess this is disrupting the air flow) Has anyone else experienced this and how did you fix it? It will go back to the dealer next week when we return to FL but I wondered if anyone had any ideas? Any help is appreciated.
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07-07-2016, 06:32 PM
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#2
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Member
Brand: Thor Motor Coach
Model: A.C.E. 29.3
State: West Virginia
Posts: 87
THOR #4502
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I have a 2016 29.3 with same prob. Talked with my dealer and they say it's the grill and Thor sent replacement which I will switch out this weekend. New grill is just wire mesh.
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07-07-2016, 06:34 PM
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#3
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Senior Member
Brand: Redwood
State: Texas
Posts: 1,311
THOR #3610
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It's probably the fuel pump on that Ford V10 trying to keep up, next you'll here the fuel tank flexing due to the rapid use if gasoline. They'll pass everything on the highway except a gas station.
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Danny & Linda
Sold our '13 Thor Redwood 36 FB
Currently RV & truckless
Replacement undetermined
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07-07-2016, 06:46 PM
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#4
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Axis/Vegas Enthusiast
Brand: Thor Motor Coach
Model: Axis 24.1
State: Michigan
Posts: 9,245
THOR #1150
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Quote:
Originally Posted by Travelin' Texans
They'll pass everything on the highway except a gas station.
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Not necessarily: My old F-350 and F-450 with the V-10: Yes only a 29 gal tank. The E-350/E-450 chassis motorhomes have a 55 gallon tank and the F-53's an even larger 80 gallon tank.
Can go a long way at 9 or 6 mpg with those tank sizes (9 mpg on the E series, and 6 or so on the F-53)--of course you're parked at the gas station for a while though LOL.
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07-07-2016, 06:54 PM
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#5
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Junior Member
Brand: Thor Motor Coach
State: Florida
Posts: 4
THOR #4518
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29.4 Whistling
Quote:
Originally Posted by mrw
I have a 2016 29.3 with same prob. Talked with my dealer and they say it's the grill and Thor sent replacement which I will switch out this weekend. New grill is just wire mesh.
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Thanks for the tip, I'll see what the dealer says next week.
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08-02-2016, 08:43 PM
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#6
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Junior Member
Brand: Thor Motor Coach
State: Washington
Posts: 1
THOR #4992
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I'm having the same noise on my 2015 ACE 30.1, I took it to the dealer and they say there is no problem so if anybody figures it out I would love to know, I'm going to put some tape around the headlight bezel's and go for a test drive and see if it helps, I see some gaps between the bezel's and the front nose
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08-02-2016, 09:17 PM
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#7
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Senior Member
Brand: Thor Motor Coach
Model: ACE 29.3 (2016)
State: Montana
Posts: 511
THOR #4032
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Quote:
Originally Posted by ac bbq pit
I'm having the same noise on my 2015 ACE 30.1, I took it to the dealer and they say there is no problem so if anybody figures it out I would love to know, I'm going to put some tape around the headlight bezel's and go for a test drive and see if it helps, I see some gaps between the bezel's and the front nose
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Get a ladder and check the top of your windshield and make sure the black rubber seal is really doing it's job. Mine was not in front of the driver, and it was allowing a small amount of air to come through and whistle. Also, a small amount of water in driving rain. I posted it, but so far nobody has taken notice ...
See the following post: Ace 29.3 windshield leaks in driving rain
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08-02-2016, 10:06 PM
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#8
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Junior Member
Brand: Thor Motor Coach
State: Florida
Posts: 4
THOR #4518
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29.4 Whistling Noise above 55mph
I had the RV at the dealership and they sealed around the front windows and that seemed to lessen the noise but it did not stop it. There is still some noise intrusion that they haven't found yet. I'll ask them to check the windshield as well. How did the grill change work out?
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08-02-2016, 10:49 PM
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#9
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Senior Member
Brand: Thor Motor Coach
Model: 2015 Vegas 24.1
State: Pennsylvania
Posts: 1,339
THOR #2601
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I had it at about 50 mph too on my 2015 Vegas 24.1. It wasn't until water started pouring in from the driver's top corner of the windshield that we were able to troubleshoot it.. Dealer performed leak test & found large area of windshield not sealed properly. They sealed it, passed a leak test. No more leak and whistle gone. If air is getting in and making a whistle, it won't be long until water will also get in.
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Ed & Bev Felker
Retired USAF Col and retired Nurse
Traveling with Lily & Bella ('Teddy Bear' breed)
2015 Vegas 24.1 (E-350)
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08-03-2016, 12:37 AM
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#10
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Senior Member
Brand: Thor Motor Coach
Model: ACE 29.3 (2016)
State: Montana
Posts: 511
THOR #4032
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Quote:
Originally Posted by bevedfelker
I had it at about 50 mph too on my 2015 Vegas 24.1. It wasn't until water started pouring in from the driver's top corner of the windshield that we were able to troubleshoot it.. Dealer performed leak test & found large area of windshield not sealed properly. They sealed it, passed a leak test. No more leak and whistle gone. If air is getting in and making a whistle, it won't be long until water will also get in.
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Now that's what I been talking about! Thanks for your input.
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08-03-2016, 12:01 PM
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#11
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Junior Member
Brand: Thor Motor Coach
State: Florida
Posts: 4
THOR #4518
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Quote:
Originally Posted by bevedfelker
I had it at about 50 mph too on my 2015 Vegas 24.1. It wasn't until water started pouring in from the driver's top corner of the windshield that we were able to troubleshoot it.. Dealer performed leak test & found large area of windshield not sealed properly. They sealed it, passed a leak test. No more leak and whistle gone. If air is getting in and making a whistle, it won't be long until water will also get in.
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Thanks guys, I'll have them check the windshield.
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