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Old 06-27-2017, 04:06 PM   #1
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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
Grey oil in my 5.9

Looks like i have to fix a crack or gasket? Any hints on getting the head out or diagnosis tricks?

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Old 06-27-2017, 04:08 PM   #2
Bus Nut
 
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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
Could this be a seal on the injector pump?

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Old 06-27-2017, 05:25 PM   #3
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Location: Massachusetts
Posts: 1,497
Year: 2002
Coachwork: Bluebird
Chassis: Bluebird
Engine: 5.9 Cummins 24v
Rated Cap: 72 pax
What pump?

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Old 06-27-2017, 06:42 PM   #4
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Pressure test the cooling system first, there are several places for water to get in. Do you have an oil cooler I.e. Water to oil?

Don't drive it!

I'm an ex ag mechanic so my knowledge is borderline (dangerous) on busses.
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Old 06-27-2017, 06:47 PM   #5
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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
Quote:
Originally Posted by Njsurf73 View Post
What pump?

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I was thinking diesel was getting by the injectors, but after letting it settle i can see it's water. The diaphragm could get a hole? Was my thinking. Is there no pump? I know the injectors are mechanical.

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Old 06-27-2017, 07:36 PM   #6
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Join Date: Jan 2017
Location: Massachusetts
Posts: 1,497
Year: 2002
Coachwork: Bluebird
Chassis: Bluebird
Engine: 5.9 Cummins 24v
Rated Cap: 72 pax
Quote:
Originally Posted by Dead pirate View Post
I was thinking diesel was getting by the injectors, but after letting it settle i can see it's water. The diaphragm could get a hole? Was my thinking. Is there no pump? I know the injectors are mechanical.

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It could be a few things.
Some air pumps have coolant lines.
Turbo can leak coolant (not sure if it can leak into the oil)
Head gasket
Cracked block.
Check your coolant to see if there is oil in it.
That's about the best I can do.


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Old 06-27-2017, 07:46 PM   #7
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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
Thanks. Im gonna pull the head. Hopefully just a gasket. It runs great. And it's not that much water.

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