Need Help with 2018 clutch noise. - Dodge Cummins Diesel Forum
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post #1 of 6 (permalink) Old 09-14-2019, 12:11 PM Thread Starter
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Need Help with 2018 clutch noise.

I just purchased a new 2018 3500 with the G56. The truck had been sitting on the lot for over a year when I purchased.

When pressing the clutch it is making a kinda howling sound briefly. The sound completely goes away as you let the clutch back out and is much more noticeable at higher RPM. Low RPM it’s barely noticeable. No other symptoms.

I noticed it as I was leaving the dealership with only 68 miles on the truck but wasn’t sure if this was normal as this is my first Ram. My last truck was an 04 duramax with ZF6 and it never made this kind of sound when pressing the clutch.

After driving it back across the country to get it home I am now convinced something is not right. Possibly a bad pilot bearing? I am going to take it to a local dealership to have it looked at under warranty but was curious if anyone had had similar issues.

Thanks for any input!

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post #2 of 6 (permalink) Old 09-15-2019, 07:17 PM
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My 2017 does not have any howl or abnormal noises so I would say not normal. I would definitely get it to the dealer while still in warranty.

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post #3 of 6 (permalink) Old 09-16-2019, 03:27 PM Thread Starter
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As a follow up I just had a service tech at the local dealership drive it and he said it sounded normal for that type of truck. He described it as gear rollover noise. I am still not convinced as he admitted he had not seen many trucks with that transmission. I think I need to get a second opinion from another dealer.
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post #4 of 6 (permalink) Old 09-16-2019, 04:06 PM
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I'd say the tech doesn't know wth he's talking about with a great deal of certainty.
First, is this condition when youre driving and shifting gears or stopped and disengaging the clutch?
Either way, gear rollover noise is virtually not present with a stock dmf clutch. Second, it only happens in gear, accelerating at lower rpm range and is a condition of a solid flywheel clutch, not a dmf clutch. Been over 10 years since mine had the dmf clutch, but I don't recall any noise until I put a good clutch in it.

You're much closer to the cause. Pilot or throwout bearing is more likely.

FWIW, my throwout bearing was toast at 40k on the original clutch and pilot was good. 80k later, both were still ok when I installed the 2nd replacement clutch, but replaced both due to miles.

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post #5 of 6 (permalink) Old 09-16-2019, 04:48 PM
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My truck had the same noise your describing when clutch pedal was pressed in. Let go no noise. Thought it was the throw out, ended up being the dual mass flywheel. But mine started doing it closer to 20k miles and it most likely because its deleted and I’m towing over 26k lbs combined. The south bend dual disk clutch and single mass flywheel seems to be holding up fine so far. Got about 40k miles on the truck now
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post #6 of 6 (permalink) Old 09-16-2019, 06:21 PM Thread Starter
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Grit Dog it only happens when you are driving and shifting. Particularly if you shift above 2100 rpm or so. Second to third accelerating into traffic is particularly noticeable.

It sounds a little like a gear spinning down as it dissipates the longer the clutch is held in. Two seconds or a little more it stops all together, It also stops all together when the clutch is released.

When I have time I am going to get a second dealer to check it out.
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