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Old 09-17-2018, 11:10 PM   #1
Mini-Skoolie
 
Join Date: Sep 2018
Location: Tacoma, WA
Posts: 11
Year: 1990
Coachwork: Thomas
Chassis: Transit liner
Engine: 8.3 Cummins
Rated Cap: 33,280
New member: Hydraulic fan question

Hey guys, newb here. My wife and I recently purchased an already converted 1990 Thomas transit-liner with 8.3 cummins 6cta and allison mt643. We've taken it on a number of trips already and are completely in love with it. Had a hiccup today though... This morning when I started it (luckily from the engine bay), after running for about 1 minute, I gave it a little throttle and the hydraulic cooling fan completely grenaded. I was able to shut the engine off very quickly so the pump was never starved of oil or anything, etc. After a few hours of making a mess and realizing that I'm not used to working on large diesels, I got the motor out and can't find a part number on it anywhere. So my question for you is where do you look up/buy parts from? Google has not been helpful, at least with the search terms I'm using and I need to get one on order. Thanks in advance!
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Old 09-17-2018, 11:15 PM   #2
Mini-Skoolie
 
Join Date: Sep 2018
Location: Tacoma, WA
Posts: 11
Year: 1990
Coachwork: Thomas
Chassis: Transit liner
Engine: 8.3 Cummins
Rated Cap: 33,280
Just wanted to add a couple of pictures of our rig.
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Old 09-17-2018, 11:44 PM   #3
Bus Crazy
 
Join Date: May 2016
Location: Georgia
Posts: 1,111
Year: 2001
Coachwork: Blue Bird
Chassis: IH
Engine: T444E
Rated Cap: 14
Try a Napa, and I don't mean one catering to auto parts. Find a Napa that deals in big truck parts. TruckPro is another possible source.
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Old 09-17-2018, 11:53 PM   #4
Mini-Skoolie
 
Join Date: Sep 2018
Location: Tacoma, WA
Posts: 11
Year: 1990
Coachwork: Thomas
Chassis: Transit liner
Engine: 8.3 Cummins
Rated Cap: 33,280
Ok, I know of one nearby. Plus it's out now, so I can take it along. Thanks!
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Old 09-18-2018, 05:29 AM   #5
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Join Date: Sep 2018
Posts: 3
Napa will most likely have what you need, but if not you can just google the parts by the part number or model name and it should show you all the available options. You can also search by make/model/year on buspartswarehouse.com, https://www.truckid.com/ https://midwestbusparts.com/ and of course ebay and amazon



The thing is that it's not necessarily bus-only shops, many truck shops may have the parts for your 1990 Thomas too.
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Old 09-21-2018, 11:34 PM   #6
Skoolie
 
Join Date: Jul 2017
Location: Rapid City, SD
Posts: 124
Year: 2001
Coachwork: Blue Bird
Chassis: All American?
Engine: ISC 8.3 L 260 hp
Rated Cap: 36
If an auto parts store cant get it try a truck or RV specific shop or parts store. Larger truck repair shops have parts counters and may stock your motor or be able to order it for you.

Ted
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Old 09-21-2018, 11:42 PM   #7
Skoolie
 
Join Date: Jul 2017
Location: Rapid City, SD
Posts: 124
Year: 2001
Coachwork: Blue Bird
Chassis: All American?
Engine: ISC 8.3 L 260 hp
Rated Cap: 36
Quote:
Originally Posted by bigbadblazer View Post
Just wanted to add a couple of pictures of our rig.
Also when you get your new motor if you have to move the fittings from the old pump DO NOT OVERTIGHTEN. It looks like the failure may have been caused by the fitting being overtightened.
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Old 09-21-2018, 11:57 PM   #8
Mini-Skoolie
 
Join Date: Sep 2018
Location: Tacoma, WA
Posts: 11
Year: 1990
Coachwork: Thomas
Chassis: Transit liner
Engine: 8.3 Cummins
Rated Cap: 33,280
So I actually spent two days googling the part number from my service manual and came up with next to nothing. Wound up using a company in New Jersey that was able to spec out a new motor and fiberglass fan for me. Should ship next week hopefully. The price was a bit shocking... $1,500. Hopefully this is the last big repair for a while.
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Old 09-21-2018, 11:57 PM   #9
Mini-Skoolie
 
Join Date: Sep 2018
Location: Tacoma, WA
Posts: 11
Year: 1990
Coachwork: Thomas
Chassis: Transit liner
Engine: 8.3 Cummins
Rated Cap: 33,280
Quote:
Originally Posted by TJones View Post
Also when you get your new motor if you have to move the fittings from the old pump DO NOT OVERTIGHTEN. It looks like the failure may have been caused by the fitting being overtightened.
That's what I was thinking as well.
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Old 09-26-2018, 05:08 PM   #10
Mini-Skoolie
 
Join Date: Sep 2015
Location: Austin, TX
Posts: 35
Year: 1992
Coachwork: Blue Bird
Chassis: Freightliner
Engine: 8.3L Cummins Turbo
Rated Cap: 80
I feel your pain. When I was bringing my 92 All American home the solenoid unit that diverts hydro oil to the fan went belly up causing my bus to overheat. I was stuck for three days waiting for the $1500 part to come in from Seattle.
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1992 Blue Bird All American
8.3 L Cummins
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