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Old 06-05-2019, 04:24 PM   #1
Mini-Skoolie
 
Join Date: Apr 2019
Location: Washoe Valley, NV
Posts: 12
Year: 1998
Coachwork: International Genesis
Engine: DT466
Rated Cap: 84
Is this normal...?

I bought a bus this past weekend and I have a question regarding vibration. The bus has a DT466 and 643 tranny. Starts well and seems to run great. When the bus is idling in neutral or drive it vibrates or rattles rather loudly. Once I start moving the bus smooths out and there is no vibration or anything that seems out of the ordinary.

The idle rpm is about 650 which I think is where it should be.

Is it normal to have a significant vibration which disappears as soon as you start moving.

Clearly Iím new to diesels.

Thanks!
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Old 06-05-2019, 04:30 PM   #2
Skoolie
 
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Join Date: Dec 2017
Location: Arkansas
Posts: 131
Year: 2005
Chassis: School bus
Engine: Cummins
Sounds like everyone I 've had
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Old 06-05-2019, 04:31 PM   #3
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Location: Eustis FLORIDA
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Year: 1999
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Chassis: Freighliner FS65
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Originally Posted by Meandering Mitch View Post
I bought a bus this past weekend and I have a question regarding vibration. The bus has a DT466 and 643 tranny. Starts well and seems to run great. When the bus is idling in neutral or drive it vibrates or rattles rather loudly. Once I start moving the bus smooths out and there is no vibration or anything that seems out of the ordinary.

The idle rpm is about 650 which I think is where it should be.

Is it normal to have a significant vibration which disappears as soon as you start moving.

Clearly Iím new to diesels.

Thanks!
I had a bus with the same setup as yours. its normal!
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Old 06-05-2019, 04:44 PM   #4
Mini-Skoolie
 
Join Date: Apr 2019
Location: Washoe Valley, NV
Posts: 12
Year: 1998
Coachwork: International Genesis
Engine: DT466
Rated Cap: 84
Ok, I’ll move on to the next task, seat removal. Just take them to the dump or is there a use for bus seats.

Thanks for the response !
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Old 06-05-2019, 05:02 PM   #5
Skoolie
 
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Join Date: Dec 2017
Location: Arkansas
Posts: 131
Year: 2005
Chassis: School bus
Engine: Cummins
Sometimes folks will come pick them up
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Old 06-05-2019, 05:07 PM   #6
Bus Geek
 
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Join Date: Dec 2017
Location: Dawsonville, Ga.
Posts: 6,482
Year: 1999
Coachwork: Genesis
Chassis: International
Engine: DT466/3060
Rated Cap: 77
Metal salvage yard will buy them. About $5-$6/ 100lbs.
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Old 06-05-2019, 05:07 PM   #7
Bus Crazy
 
Join Date: May 2016
Location: Georgia
Posts: 1,469
Year: 2001
Coachwork: Blue Bird
Chassis: IH
Engine: T444E
Rated Cap: 14
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Originally Posted by Meandering Mitch View Post
Ok, Iíll move on to the next task, seat removal. Just take them to the dump or is there a use for bus seats.

Thanks for the response !

You may not need the seat covers and cushions, but many of us have used the metal for various projects including roof hatch delete and skinning over where windows were removed, as well as rust hole repair (many seats have sheet metal bottoms or backs).
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Old 06-05-2019, 05:15 PM   #8
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Location: So Cal
Posts: 2,339
Year: 1935
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Chassis: Chevy
Engine: 317 ci/tid / Isuzu
Sounds normal to me. The three things I like most about my little diesel are: That sweet exhaust smell, The rattle of the pistons and the fact that if I need to mix a gallon of paint all I have to do is set it on the floor and let the engine idle. They don't call 'em paint shakers for nothing!
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