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Old 06-24-2012, 09:26 PM   #11
Bus Nut
 
Join Date: Nov 2008
Location: ellijay ga
Posts: 560
Year: 94
Coachwork: b/b
Chassis: tc2000
Engine: 5.9
Rated Cap: 72
Re: Bad vacation

Ha guy,, i was talking to a allison trans man today and told him what u where have trouble with on your trans ,he said that u may have blown the tork convter.about $300.00 for a rebuild one $450.00 for a new one that will keep it from pulling easy to fix,,, good luck
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Old 06-25-2012, 05:00 PM   #12
Almost There
 
Join Date: Aug 2010
Location: Burton,Ohio
Posts: 77
Year: 1995
Coachwork: Amtran
Chassis: Genesis
Engine: Cornbinder 466
Rated Cap: 71
Re: Bad vacation

They said that the clutches were bad so I'm having them install a rebuilt with 2 year warranty. Can't wait to be back on the road again.
Tracy
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Old 06-25-2012, 05:40 PM   #13
Bus Crazy
 
Join Date: Mar 2011
Location: Oregon/Philippines
Posts: 1,660
Re: Bad vacation

clutches normally don't go out whilst driving down the freeway... unless you are lugging the thing down going up a hill or something, and they were bad in the first place.
i would suggest changing the torque converter as well, and look at your flyweel, u joints, rear axle flange, etc while its apart.
and get the used parts they replaced so ya can inspect them to see if they are indeedy gone.
not to mention they need to replace several more parth than just the clutch pak and gaskets.

i'm not an expert, just have rebuilt many automatics and some after the trans shop rebuilt them cheaply.
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Old 06-28-2012, 01:14 PM   #14
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Join Date: Aug 2009
Posts: 7
Year: 1992
Coachwork: carpenter
Chassis: 3800
Engine: international DTA360
Rated Cap: 72
Re: Bad vacation

My at545 did the same thing, thankfully close to home. I think that the valve body malfunctioned and applied two clutches at once, which is effectively a trans brake, as is done to assist launches in drag racing. It is probably easy to fix to someone familiar with the 545, but I swapped in a Spicer 7 speed manual. This, and changing the axle ratio from 5.38 : 1, to 4.10 : 1, resulted in a mileage increase from 6.8 to up to 10.5, if I drive right and keep it below 65. The 545 does not have a lock up torque converter- bad for efficiency and makes heat. Allison says it's good for up to 445 lb-ft. input torque, but even my little DTA360 has 485 lb-ft. I don't think my failure was at all related to that, though.
Brian
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Old 06-29-2012, 09:04 AM   #15
Almost There
 
Join Date: Aug 2010
Location: Burton,Ohio
Posts: 77
Year: 1995
Coachwork: Amtran
Chassis: Genesis
Engine: Cornbinder 466
Rated Cap: 71
Re: Bad vacation

Trans brake, magicly applied. Did you have the same, Oh **** look I did. When I got this bus almost two years ago now I knew it had a rebuilt trans in it. Who knows where it came from or how long it sat somewhere. So I did what I thought was the right thing to do and replaced the fluids and all filters and replaced the trans lines as well. Front and rear seals too. I hope this one lasts longer now that I will know its history, but then like all things mechanical, things break. Without adventures in a bus what would one talk about around the campfire or even better yet at those business dinners. Those are the best times to tell people sitting at a table, ya, we have a school bus that we are converting. The looks from those that don't get this craziness we all love are just priceless. Then there are those that say, hay that's cool... those are the people to hang out with. Hope we will be picking our bus up today, I need a SKOOLIE fix!
Tracy
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