Engine Noise

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Oct 26, 2023 | 10:09 AM

Greengas

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Mountain Pass

Joined: Jan 2012

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Engine Noise

I've got a 2022 F450 Platinum. I tow a 20k 5th wheel. At times when driving up hill the engine will start whining like the rpms are shooting up real high. But, the rpm gauge does not move nor does the turbo gauge move nor does the truck downshift. I can't figure out what is causing it to should like the rpms are shooting up. I know that is not a great description, but I hope it gives enough of a clue to help me figure out what is causing it. Thanks.

Oct 26, 2023 | 10:12 AM

scraprat

Lead Driver

Joined: Jan 2002

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From: Itinerant

Fan kicking on to cool the engine

Oct 26, 2023 | 10:14 AM

Greengas

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Mountain Pass

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Well, that sure makes sense. Thanks. One less thing to worry about. lol

Oct 26, 2023 | 10:53 AM

Ltngdrvr

Lead Driver

Joined: Nov 2005

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Yes, and the fan will come on to varying degrees, depending on demand from the pcm, so sometimes it can be extremely loud.

Oct 27, 2023 | 11:18 AM

Greengas

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Mountain Pass

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Thank you so very much. Now when it happens I don't have to starting checking everything to make sure nothing is amiss.

Oct 27, 2023 | 01:44 PM

FishOnOne

Lead Driver

Joined: Feb 2005

Posts: 7,963

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From: The Great State of Texas

Quote:

Originally Posted by scraprat

Fan kicking on to cool the engine

Give this man a cigar...

Oct 27, 2023 | 05:30 PM

mcmurm

More Turbo

Joined: Jul 2020

Posts: 709

Likes: 188

As already noted it's the fan, but wanted to mention that the cooling system in these trucks might be loud but they're also very capable too.

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Oct 27, 2023 | 09:39 PM

Kameron Rice

Fleet Mechanic

Joined: Nov 2019

Posts: 1,429

Likes: 487

From: North Carolina

Quote:

Originally Posted by Ltngdrvr

Yes, and the fan will come on to varying degrees, depending on demand from the pcm, so sometimes it can be extremely loud.

when I'm towing over 30k with mine, moving excavators, pipes, etc. Through cities, mine sounds like a jet engine taking off for flight! It screams so loud, everyone will start looking at it. Especially when oil it at 235 degrees.