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Old 05-01-2014, 06:33 AM   #21
Mini-Skoolie
 
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Year: 1995
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Chassis: international
Engine: 7.3 Navistar
Re: #Highroller my 95 blueird

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Old 05-01-2014, 06:35 AM   #22
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Engine: 7.3 Navistar
Re: #Highroller my 95 blueird

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Old 05-01-2014, 06:35 AM   #23
Mini-Skoolie
 
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Re: #Highroller my 95 blueird

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Old 05-03-2014, 12:19 PM   #24
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Year: 1995
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Engine: 7.3 Navistar
Re: #Highroller my 95 blueird

maybe some here can help me.........took the bus out for drive and she takes so long to get up to speed and wont go over 45-50 mph.......when I first got her she was a little better but she slowly gets slower and slower...............any ideas on what the problem could be?

T444E 7.3
not sure on the trans but its auto
rear end is 5.3 ratio
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Old 05-03-2014, 02:36 PM   #25
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Re: #Highroller my 95 blueird

Quote:
Originally Posted by 95bluebird
maybe some here can help me.........took the bus out for drive and she takes so long to get up to speed and wont go over 45-50 mph.......when I first got her she was a little better but she slowly gets slower and slower...............any ideas on what the problem could be?

T444E 7.3
not sure on the trans but its auto
rear end is 5.3 ratio
If you're regressively losing power it could be many things. I would first check for a dirty fuel filter, then for any fuel leaks. Also check the pipes between the turbo to the intercooler (the left "rad") and from the intercooler to the engine. There are rubber boots that connect the pipes and one could be split or leaking.

Another possibility (which is a huge pain in the arse) is that the up pipes from the exhaust manifolds to the turbo are leaking. This is a common issue with the earlier t444es.

When searching Google for these issues you'll often be better off searching for "7.3 powerstroke" instead of "t444e". The engine configurations aren't identical, but are very close.
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Old 05-03-2014, 02:40 PM   #26
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Re: #Highroller my 95 blueird

Here's a link to the T444e diagnostics manual in my Dropbox: https://www.dropbox.com/sh/ciqcql8xj...HSfQpDlX7jmBva

It's missing some content, but perhaps it'll be of interest to you.
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Old 05-03-2014, 02:44 PM   #27
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Year: 1995
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Engine: 7.3 Navistar
Re: #Highroller my 95 blueird

thank you....we will be changing all the fluids and filters tomorrow, I will also check the areas you spoke about.......
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Old 05-03-2014, 02:52 PM   #28
Bus Crazy
 
Join Date: Nov 2011
Location: Sault Ste. Marie, Ontario
Posts: 1,439
Year: 1997
Coachwork: Thomas
Chassis: B3800 Short bus
Engine: T444E
Rated Cap: 36
Re: #Highroller my 95 blueird

Quote:
Originally Posted by jazty
Another possibility (which is a huge pain in the arse) is that the up pipes from the exhaust manifolds to the turbo are leaking. This is a common issue with the earlier t444es.
Quoting myself.. Classy..

I reread your post and I'm thinking the up pipes might be worth seriously looking into. I fixed and resealed mine and it was like going from a VW Vanagon to.... any real vehicle. The stupid things are RIGHT BEHIND THE ENGINE.. The only inaccessible area in the engine bay.

Here is an external thread about the issue. There are loads out there..
http://www.thedieselstop.com/forums/...e-leak-279394/

An image of the up-pipes from the back of the engine:


Soot is an indicator of leaky gaskets or worn out pipes:
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Old 05-03-2014, 05:39 PM   #29
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Re: #Highroller my 95 blueird

Fuel filter first-then I'd look into the couple of small filters that are inline on the float bowl. (Return + fuel press regulator?) they are small-the size if the ID of the fuel line. The fuel press. regulator one was getting restricted on mine.
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Old 05-03-2014, 09:01 PM   #30
Mini-Skoolie
 
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Re: #Highroller my 95 blueird

Thanks guys.....I will look at all this tomorrow
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