Underhood Insulation
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Underhood Insulation
Does anyone know why the 6.2L have the insulation pads on the underneath side of the hood and the power strokes do not? I have some dent's in the center of my hood and I want to remove the pad to fix them and wondering if I really need to put it back on.
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New User
Joined: Sep 2016
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I have lariat, my dad has platinum F350 and he does not have it. A friend has a lariat with the power stroke and he does not have it either. The kind ranch power strokes do not have the insulation either.
Logistics Pro
Joined: Apr 2011
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From: Earth
I took mine out, the truck I feel doesn't benefit from it unless it is cold out and once the engine is warmed up all is good, plus mine was becoming a potential hazard to the trucks health…
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Joined: Jun 2015
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From: elkmont alabama
Chevrolet claims that the reason they have the under insulation is because if there was a fire the tabs would melt and the insulation would fall and help slow the fires progression. but now that is from the service manual on just about every Chevrolet I touched and in the service manuals it states that if the under hood insulation is damaged it has to be replaced.
after reading this it does bring up a good question why is it on some vehicles and not on others? why would a gas burner have it and not a diesel?
after reading this it does bring up a good question why is it on some vehicles and not on others? why would a gas burner have it and not a diesel?
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Senior User
Joined: Jun 2015
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From: elkmont alabama
im not sure my 2001 XL has the insulation and it has the 5.4 and it did not even come with the a trailer package I had to add the connectors and hitch and my gooseneck hitch. I had a 1999 7.3 and it had the insulation and my aunts 2000 f350 has the insulation and she has the 7.3. im lost as to why some do and some dont
Hotshot
Joined: Dec 2006
Posts: 14,069
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From: Melbourne, Ky
My E99 7.3 psd has insulation. My 02 had it also from the factory. I removed it and installed dynamat extreme and their foam pad. Made a huge difference in noise in the cab. Also, my 08 6.4psd also has it.
Logistics Pro
Joined: Apr 2011
Posts: 4,744
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From: Earth
Chevrolet claims that the reason they have the under insulation is because if there was a fire the tabs would melt and the insulation would fall and help slow the fires progression. but now that is from the service manual on just about every Chevrolet I touched and in the service manuals it states that if the under hood insulation is damaged it has to be replaced.
after reading this it does bring up a good question why is it on some vehicles and not on others? why would a gas burner have it and not a diesel?
after reading this it does bring up a good question why is it on some vehicles and not on others? why would a gas burner have it and not a diesel?
Cargo Master
Joined: Jan 2015
Posts: 2,824
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From: Boise
Chevrolet claims that the reason they have the under insulation is because if there was a fire the tabs would melt and the insulation would fall and help slow the fires progression. but now that is from the service manual on just about every Chevrolet I touched and in the service manuals it states that if the under hood insulation is damaged it has to be replaced.
after reading this it does bring up a good question why is it on some vehicles and not on others? why would a gas burner have it and not a diesel?
after reading this it does bring up a good question why is it on some vehicles and not on others? why would a gas burner have it and not a diesel?
My 6.2 does not have it. I have had it on previous diesels. I have removed it many times. I always thought it was for sound. My recent EcoBoost F1 had it, I removed it, then you could barely hear the turbos.
Senior User
Joined: Jun 2015
Posts: 230
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From: elkmont alabama
I am just confused as to why the newer trucks that do have it and some don't that is what is confusing to me.