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11-29-2015, 07:17 PM
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#1
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Mini-Skoolie
Join Date: Sep 2015
Location: Austin, TX
Posts: 50
Year: 1992
Coachwork: Blue Bird
Chassis: Freightliner
Engine: 8.3L Cummins Turbo
Rated Cap: 80
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8.3 L Harmonic Damper
Yesterday I lost my harmonic damper, aka harmonic balancer, driving down the road. I was able to get home no problems, but I don't want to run the engine without one! Anyone have a source for me for the harmonic damper?
Thanks,
Drew
__________________
D&J
1992 Blue Bird All American
8.3 L Cummins
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11-30-2015, 01:37 PM
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#2
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Bus Geek
Join Date: May 2014
Location: West Ohio
Posts: 3,673
Year: 1984
Coachwork: Bluebird
Chassis: International 1753
Engine: 6.9 International
Rated Cap: 65
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Go with a new one, and don't run the bus without one installed. You can break a crankshaft in short order if you do, and it's not worth the gamble of getting a bad used damper.
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11-30-2015, 01:51 PM
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#3
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Bus Crazy
Join Date: May 2010
Location: Montana
Posts: 1,626
Year: 1995
Coachwork: Blue Bird
Chassis: All-American R/E
Engine: 8.3 Cummins
Rated Cap: 72
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Typical with 8.3's. The should be replaced ever so many miles, which I forget. Get an oil filled one. Hit eBay or Amazon.
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12-01-2015, 03:35 PM
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#4
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Mini-Skoolie
Join Date: Sep 2015
Location: Austin, TX
Posts: 50
Year: 1992
Coachwork: Blue Bird
Chassis: Freightliner
Engine: 8.3L Cummins Turbo
Rated Cap: 80
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Got one on order... My wife was driving right behind me when it came off! I'm glad it flew off into the bushes and not through the windshield at her!!!
I'm just getting my feet wet in owning a bus. What other parts should I start stockpiling, or expect to be replacing soon?
1992 8.3L Cummins, 220K miles,
New parts I've already replaced: air compressor, thermostats, radiator hoses, hydro distribution block, block fuel filter, air filter, and deleted the air dryer. She leaks oil pretty bad from her 20 plus years of sitting in the bus yard, and then being taken on long trips, she was a travel bus for sports teams.
Y'all's advise is greatly appreciated!
Drew
__________________
D&J
1992 Blue Bird All American
8.3 L Cummins
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12-01-2015, 04:31 PM
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#5
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Bus Crazy
Join Date: May 2010
Location: Montana
Posts: 1,626
Year: 1995
Coachwork: Blue Bird
Chassis: All-American R/E
Engine: 8.3 Cummins
Rated Cap: 72
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Why did you delete the air dryer?
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12-10-2015, 10:54 PM
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#6
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Mini-Skoolie
Join Date: Sep 2015
Location: Austin, TX
Posts: 50
Year: 1992
Coachwork: Blue Bird
Chassis: Freightliner
Engine: 8.3L Cummins Turbo
Rated Cap: 80
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I deleted the air dryer at my mechanics recommendation. Abigail was obviously neglected by the school district she belonged to in the past as the dryer was never cleaned. The dryer gummed up with thick yellow sludge and killed the compressor. It was a $1500 fix while on the road trying to get back home to Austin from Seattle.
__________________
D&J
1992 Blue Bird All American
8.3 L Cummins
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12-10-2015, 10:57 PM
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#7
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Mini-Skoolie
Join Date: Sep 2015
Location: Austin, TX
Posts: 50
Year: 1992
Coachwork: Blue Bird
Chassis: Freightliner
Engine: 8.3L Cummins Turbo
Rated Cap: 80
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Replaced the vibration damper today. It was fun by myself! After four trips to my local auto parts store for the required tools I finally got the old bad boy off, and the new one installed. Abigail is back up and running, just in time for our second trip in her over Christmas Break to Dinosaur Valley State Park here in TX. Check it out here: Dinosaur Valley State Park — Texas Parks & Wildlife Department
Should be a great trip.
__________________
D&J
1992 Blue Bird All American
8.3 L Cummins
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12-11-2015, 09:54 AM
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#8
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Bus Crazy
Join Date: May 2010
Location: Montana
Posts: 1,626
Year: 1995
Coachwork: Blue Bird
Chassis: All-American R/E
Engine: 8.3 Cummins
Rated Cap: 72
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$150 for a Bendix AD9. You might be asking for trouble without one.
Glad you got the damper done.
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12-11-2015, 10:28 AM
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#9
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Mini-Skoolie
Join Date: Sep 2015
Location: Austin, TX
Posts: 50
Year: 1992
Coachwork: Blue Bird
Chassis: Freightliner
Engine: 8.3L Cummins Turbo
Rated Cap: 80
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Quote:
Originally Posted by opus
$150 for a Bendix AD9. You might be asking for trouble without one.
Glad you got the damper done.
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I was wondering about that! Thanks for the info, I will get on ordering a new one and get it installed. The last thing I want is a major system malfunction.
__________________
D&J
1992 Blue Bird All American
8.3 L Cummins
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12-11-2015, 11:24 AM
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#10
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Bus Crazy
Join Date: May 2010
Location: Montana
Posts: 1,626
Year: 1995
Coachwork: Blue Bird
Chassis: All-American R/E
Engine: 8.3 Cummins
Rated Cap: 72
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EBay is your friend.
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12-11-2015, 11:25 AM
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#11
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Bus Geek
Join Date: May 2014
Location: West Ohio
Posts: 3,673
Year: 1984
Coachwork: Bluebird
Chassis: International 1753
Engine: 6.9 International
Rated Cap: 65
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The old dryer was filled with yellow sludge because that is what motor oil will turn into when exposed to a lot of moisture. Odds are that your compressor was already worn out and that the trip just finished it off.
Quote:
Originally Posted by opus
$150 for a Bendix AD9. You might be asking for trouble without one.
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I agree. Unless you live in a dry area that doesn't freeze, I'd put an air dryer back on. Even if you do live in an area like that, your going to have to drain the tanks every day you drive it to drain the condensation and prevent the tanks from rusting internally.
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09-09-2018, 03:38 PM
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#12
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Mini-Skoolie
Join Date: Sep 2015
Location: Austin, TX
Posts: 50
Year: 1992
Coachwork: Blue Bird
Chassis: Freightliner
Engine: 8.3L Cummins Turbo
Rated Cap: 80
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Hello once again friends and neighbors! I've been away for awhile and my prized conversion project, Abigail, has been sitting in storage. Life got in the way for a bit there. I promoted to Lieutenant in the fire department, and my 16 year old son from my first marriage decided to move in with my wife and I. Life's an adventure and ours is finally settling down enough to get back to my bus!
We have decided to sell the house and live in our bus when the last kid graduates high school and moves out. That means I have two and a half years to get my ducks in a row and quacking properly!
I'm glad to be back on this project.
D
__________________
D&J
1992 Blue Bird All American
8.3 L Cummins
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