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Thread: Sound Dampening
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Old 04-05-2020, 05:11 PM   #3
Dilley Dilley
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Brand: Thor Motor Coach
State: California
Posts: 109
THOR #16919
Quote:
Originally Posted by Kate1025 View Post
Have you added sound dampening to your engine cowling? Should a Thor Miramar have the sound dampening already? (It this a warrantee issue?) Did you add sound dampening material on the underside of the cowling (engine side) or on top of the cowling (under console etc). Cowling get VERY HOT, engine noise is VERY loud!
We have a 2017 Miramar 34.1 and the answer to your questions are:

Have you added sound dampening to your engine cowling? Yes

Should a Thor Miramar have the sound dampening already? Yes it should. But it likely only has the same minimal insulation that comes from Ford on all their F53 cab and chassis.

Did you add sound dampening material on the underside of the cowling (engine side)? Yes, 2 layers of 3/4" (1 1/2" total thickness) thermo acoustic insulation.
or on top of the cowling (under console etc)? Nothing on top of the console yet. But I also stuffed denim insulation (Home Depot) inside the dash and front console area by accessing it by removing the plastic dash cover and the passenger side folding work station. I also applied the self-stick 3/4" thermo acoustic insulation underneath the entire cab area and in the engine bay. I am likely going to add some type of additional sound deadening to the interior cab area. I think the most effective thing to do for the interior cab would be to add padding and carpeting to the floor with a transition trim piece to the flooring material. There are pictures and discussions on the other thread you were directed to. Good Luck
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Brian Dilley
Retired Firefighter
California
2017 Thor Miramar 34.1
Crimson Quartz
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