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12-19-2016, 02:12 AM
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#1
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Almost There
Join Date: Dec 2016
Posts: 71
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Oil leaks
What would be some common oil leaks on a 1999 bluebird with with t444e and the 643 tranny? Trying to get an idea going to look at one tomrrow.
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12-19-2016, 06:35 AM
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#2
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Bus Nut
Join Date: Mar 2015
Location: hills of sw virginia
Posts: 889
Year: 1996
Chassis: thomas
Engine: 8.3 cummins
Rated Cap: 11 window
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drip drip everywhere a drip drip. does the add say it leaks bad or just a drip here and there, they all drip a little
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12-19-2016, 07:25 AM
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#3
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Almost There
Join Date: Dec 2016
Posts: 71
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When I took a quick look she wasn't marking her spot on the ground. I just noticed some drips by like the back of the motor and tranny. When I look at it today I will have my creeper so I can really get a good look at things. Just being cautious and trying to get a heads up on what to look for.
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12-19-2016, 07:27 AM
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#4
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Bus Geek
Join Date: Sep 2014
Location: Eustis FLORIDA
Posts: 23,764
Year: 1999
Coachwork: Thomas
Chassis: Freighliner FS65
Engine: Cat 3126
Rated Cap: 15
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Check the weep hole on the tranny for signs of the rear main seal. They're known to seep a bit. Probably not what you're seeing though.
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12-19-2016, 07:33 AM
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#5
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Almost There
Join Date: Dec 2016
Posts: 71
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What's the weep hole? Sorry not to familiar with the term.
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12-19-2016, 07:37 AM
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#6
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Almost There
Join Date: Dec 2016
Posts: 71
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Is it a nightmare to drop the tranny on a bus? I dropped manual transmissions out of light trucks. Is it kind of the same just on a bigger scale?
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12-19-2016, 07:42 AM
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#7
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Bus Geek
Join Date: May 2009
Location: Columbus Ohio
Posts: 18,830
Year: 1991
Coachwork: Carpenter
Chassis: International 3800
Engine: DTA360 / MT643
Rated Cap: 7 Row Handicap
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T-444E's leak around the turbo pedstal at times, if someone has installed a RACOR CCV system (on the left valve cover) it will likely leak there..
I used to fret about oil leaks but I dont worry about them anymore.. I found out that driving 1000s of miles, the oil leaks arent nearly as bad as you think they are unless they are pouring.. I'll see little spots on the ground but my oil levels always seem to stay full...
-Christopher
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12-19-2016, 07:44 AM
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#8
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Bus Geek
Join Date: Sep 2014
Location: Eustis FLORIDA
Posts: 23,764
Year: 1999
Coachwork: Thomas
Chassis: Freighliner FS65
Engine: Cat 3126
Rated Cap: 15
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Quote:
Originally Posted by Qya1991
What's the weep hole? Sorry not to familiar with the term.
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Underside of the transmission. Right by where it mates to the engine. Its a good size round hole. Its VERY common to have a leaky rear main seal. Most like myself just let it go until the oil loss becomes apprecaiable/notable.
On dropping the trans- Not a nightmare. Just like any light duty truck, only much heavier. You'll need a heavy duty transmission jack.
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12-19-2016, 07:45 AM
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#9
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Almost There
Join Date: Dec 2016
Posts: 71
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Thank you maybe I'm being to cautious. After I run it and park it I'll make sure there is no sign of major leaks.
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12-19-2016, 07:48 AM
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#10
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Almost There
Join Date: Dec 2016
Posts: 71
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Okay I'll keep that in mind and check it out. Thank you eastcoast cb.
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12-19-2016, 07:49 AM
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#11
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Bus Geek
Join Date: Sep 2014
Location: Eustis FLORIDA
Posts: 23,764
Year: 1999
Coachwork: Thomas
Chassis: Freighliner FS65
Engine: Cat 3126
Rated Cap: 15
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Check your dipstick level regularly and you'll know if you have a serious leak.
My engine is pretty ugly, but it holds oil just fine and runs better than my 2013 subaru.
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12-19-2016, 07:51 AM
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#12
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Almost There
Join Date: Dec 2016
Posts: 71
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Yeah I have a 79 Chevy 350 to look at it you would swear it wouldn't hold any oil lol. But she only uses one quart every 3,000 miles. So I know what you are talking about.
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12-19-2016, 08:04 AM
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#13
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Bus Geek
Join Date: Sep 2014
Location: Eustis FLORIDA
Posts: 23,764
Year: 1999
Coachwork: Thomas
Chassis: Freighliner FS65
Engine: Cat 3126
Rated Cap: 15
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Quote:
Originally Posted by Qya1991
Yeah I have a 79 Chevy 350 to look at it you would swear it wouldn't hold any oil lol. But she only uses one quart every 3,000 miles. So I know what you are talking about.
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My subaru has used about a quart or so every 2000 miles since new. Its a replacement car for a 2012 impreza that burned even MORE than that! Post-2010 subes are JUNK. 
My bus seems to use less oil than my "green eco-friendly" "modern" car.
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12-19-2016, 08:07 AM
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#14
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Almost There
Join Date: Dec 2016
Posts: 71
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Wow that crazy a little puddle jumper uses that much. Sounds like they need to redesign that engine.
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12-19-2016, 08:20 AM
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#15
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Bus Geek
Join Date: Sep 2014
Location: Eustis FLORIDA
Posts: 23,764
Year: 1999
Coachwork: Thomas
Chassis: Freighliner FS65
Engine: Cat 3126
Rated Cap: 15
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They're running a new "low ring tension" design. basically the rings NEVER really seat properly and the little sob's burn oil like the dickens. At around 100k or so the cats and sensors go out, costing BIG bucks. Total nightmare, these newfangled subies. The old ones "only" had head gasket problems, the new ones are rotten from their very core.
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12-19-2016, 08:54 AM
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#16
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Bus Geek
Join Date: May 2009
Location: Columbus Ohio
Posts: 18,830
Year: 1991
Coachwork: Carpenter
Chassis: International 3800
Engine: DTA360 / MT643
Rated Cap: 7 Row Handicap
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and people wonder why I lease my car and drive a School Bus as my daily driver...
-Christopher
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12-19-2016, 09:01 AM
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#17
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Bus Geek
Join Date: Sep 2014
Location: Eustis FLORIDA
Posts: 23,764
Year: 1999
Coachwork: Thomas
Chassis: Freighliner FS65
Engine: Cat 3126
Rated Cap: 15
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The sube will be sold next year. I'll have enough $$ from that to buy a NICE shorty bus! I gotta have me a 466 shorty with air ride!
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12-19-2016, 09:03 AM
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#18
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Bus Geek
Join Date: May 2009
Location: Columbus Ohio
Posts: 18,830
Year: 1991
Coachwork: Carpenter
Chassis: International 3800
Engine: DTA360 / MT643
Rated Cap: 7 Row Handicap
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I gotta tell you im impressed by the T-444E in a shorty.. for a full-size bus I think it would be a dog.. but in my little shorty that bus takes right down the road.. the exporters snatch up the DT-466's these days it seems..
-Christopher
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12-19-2016, 09:06 AM
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#19
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Almost There
Join Date: Dec 2016
Posts: 71
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Well I really appreciate the info. It's nice to find good people who are willing to give out good info without a price.
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12-19-2016, 09:26 AM
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#20
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Bus Geek
Join Date: Sep 2014
Location: Eustis FLORIDA
Posts: 23,764
Year: 1999
Coachwork: Thomas
Chassis: Freighliner FS65
Engine: Cat 3126
Rated Cap: 15
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My advice is worth what you paid for it!  
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