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Old 05-04-2020, 02:20 AM   #1
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Brand: Thor Motor Coach
State: Colorado
Posts: 2
THOR #18639
High decible buzzing

This Thor Ace 29.2 has a high decibel buzzing sound emanating from driver's front column/post. Wet sealed windshield,removed grill completely, wet sealed driver side window and passenger side window and foamed under dash where it meets the body. No buzzing in tunnels, under bridges or following 18 wheelers. I would appreciate some help.Tom
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Old 05-04-2020, 02:53 AM   #2
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Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 5,382
THOR #7035
What year? Some grills have been know to "whistle", especially in the rain.
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Old 05-04-2020, 03:45 PM   #3
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Brand: Thor Motor Coach
State: Colorado
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THOR #18639
Buzzing sound

2015 Thor Ace 29.2. Removed grill completely and drove for 100 miles, still buzzing. What I call buzzing may in fact be a "whistle". Rain has no effect here.

Any other ideas friends?
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Old 05-04-2020, 04:02 PM   #4
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Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 5,382
THOR #7035
many people fixed their "whistle" by adding screen to the back of the grill. 2015 is in the years with this problem.

Otherwise it could be a piece of electrical tape that has unraveled and is flapping in the wind.
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