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Old 07-25-2017, 05:04 PM   #1
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Join Date: Feb 2016
Location: in the bus on the road
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Year: 1998
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Engine: international dt466e allison md 3060
Rated Cap: 13 ton or so says the tit
High pitched wail.

When we are rolling it screams when i accelerate. Can't get rolling as fast as it usually does. Runs and sounds great otherwise.

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Old 07-25-2017, 05:18 PM   #2
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Year: 1997
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Check your bus to make sure my ex wife isn't hiding in it!
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Old 07-25-2017, 05:42 PM   #3
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Chassis: HDX
Engine: Cat C7
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Get the cat out from under the hood!
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Old 07-25-2017, 05:43 PM   #4
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Year: 1998
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Chassis: amtran
Engine: international dt466e allison md 3060
Rated Cap: 13 ton or so says the tit
Can i rebuild the inner cooler on the turbo?

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Old 07-25-2017, 05:45 PM   #5
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Rated Cap: 84 passenger
The intercooler is nothing more than a radiator for the compressed air.
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Old 07-25-2017, 05:46 PM   #6
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Join Date: Feb 2016
Location: in the bus on the road
Posts: 445
Year: 1998
Coachwork: myself
Chassis: amtran
Engine: international dt466e allison md 3060
Rated Cap: 13 ton or so says the tit
Can i fix it myself

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Old 07-25-2017, 07:03 PM   #7
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No moving parts in an intercooler. It's just a RADIATOR. The wailing comes from a moving part. Get a LONG handled screwdriver, hold the tip to moving parts and hold the other end to your head next to your ear. Bone conduction will do the rest. It acts as a stethoscope.
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Old 07-25-2017, 08:21 PM   #8
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Join Date: Feb 2016
Location: in the bus on the road
Posts: 445
Year: 1998
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Chassis: amtran
Engine: international dt466e allison md 3060
Rated Cap: 13 ton or so says the tit
Thanks.

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Old 07-26-2017, 07:16 AM   #9
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Engine: 5.9 Cummins 24v
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Of it is poorly accelerating, check any rubber connections post turbo. The wailing may be a hole it rip in a rubber boot... Turbo whine and air escaping?
Otherwise I would concentrate on your turbo 1st.

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Old 07-26-2017, 08:18 AM   #10
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Ditto that. Check for an air leak after the turbo. Torn boot, loose connection, etc. Noise can come from moving air.
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