Grinding noise

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Nov 18, 2019 | 12:23 PM

michealmyers

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Grinding noise

Strange noise that I'm getting around 2k rpm. Really bad on cold mornings, doesn't really happen if it's in park or neutral, only in drive. It's not a heat shield, pulley or anything else.....I've checked all that.

Here's a clip

Nov 18, 2019 | 04:11 PM

V10man

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From: Mesa

Check the access plate on transmission bell housing, ??

Nov 18, 2019 | 08:50 PM

steve(ill)

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I don't hear the noise, but if it does it ON COLD MORNINGS when you first take off........... then goes away after 10 minutes... im guessing alternator bearing has dry grease... Old Alternator ?

Nov 19, 2019 | 09:04 AM

michealmyers

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check the vid at 5 secs and you can hear the sound coming in.

I thought the same thing about the alternator, so I swapped it. Needless to say i was pissed when i fired it up and continued to hear the noise.

Nov 19, 2019 | 09:05 AM

michealmyers

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Quote:

Originally Posted by V10man

Check the access plate on transmission bell housing, ??

hmmm, i'll do that, didn't think to look at that.

Nov 19, 2019 | 06:47 PM

Lime1GT

Fleet Mechanic

Joined: Jul 2010

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From: Winnipeg

PCV valve?

Nov 19, 2019 | 08:55 PM

michealmyers

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Trailering

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Quote:

Originally Posted by V10man

Check the access plate on transmission bell housing, ??

housing looks great

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Nov 20, 2019 | 08:49 AM

michealmyers

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here's a little bit better vid

Nov 20, 2019 | 04:29 PM

#10

V10man

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Joined: Feb 2000

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From: Mesa

Take the belt off and go for a quick drive. If it stops then it's something the belt spins.

Nov 21, 2019 | 08:50 AM

#11

michealmyers

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Quote:

Originally Posted by V10man

Take the belt off and go for a quick drive. If it stops then it's something the belt spins.

Did that previously and just kinda spun each pulley to see if any noise. Didn't do it with it running though. I guess my reasoning was it never does it in neutral or park......it's only when in gear.

Another crazy thing, if I stop the truck, cut it off then back on, the noise is still there, however much quieter and not as bad as before.