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Old 02-15-2022, 04:19 AM   #1
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Join Date: Feb 2022
Location: wa
Posts: 4
Year: 3000
Coachwork: international
Chassis: 3000
Engine: DT 466
Rated Cap: 31350
Exclamation Looking for some advice.

Hello I'm Dylan from Washington.

I have 1997 International 3000 school bus.
I have 2 problems first one was about 2 months ago I was driving down the road and then I started to loose power after limping it back to the shop and doing dome researching I found out its related to the turbo probably a hose.

The new Problem and the most important is I went to pull it into the shop to start working on the turbo but it would not turn over charged battery's and the same problem. Decided that the battery's are about 4-5 years old so I replaced them but the same problem.
witch is turn key wait 5-10 seconds it cranks for a second or 2 and makes a rapid clicking sound. With The new Battery's it drains them to about 8.2 volts when starting maybe les swab gave me a bad battery.
Yall got any ideas trying not to buy more parts then necessary right now i already tried a new key switch and new battery's.

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Old 02-15-2022, 11:29 AM   #2
Bus Crazy
 
Join Date: May 2018
Location: topeka kansas
Posts: 1,805
Year: 1954
Coachwork: wayne
Chassis: old f500- new 2005 f-450
Engine: cummins 12 valve
Rated Cap: 20? five rows of 4?
8.2 volts

Minimum when cranking should be 10 volts. You have at least one problem.

William
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Old 02-15-2022, 11:43 AM   #3
Mini-Skoolie
 
Join Date: Dec 2021
Location: New Hampshire
Posts: 17
Year: 2005
Coachwork: IC
Chassis: RE 300
Engine: DT 466E EGR, 3000PTS
Rated Cap: 56 (coach seats)
what engine is in the bus and what batteries are there in the chassis? sounds like you have batteries that aren't charged, a poor connection somewhere, or excessive effort/strain on the starter. Does any of the wiring feel hot when trying to start?

Is the voltage you are seeing from the gauge? have you verified battery voltage with a multimeter? Your battery should be at 12.6v to be considered fully charged. If your voltage is dropping to 8 something doesn't seem right, you should still see about 10 volts. clicking sound makes me think that you have discharged batteries or a wiring issue.
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Old 02-15-2022, 01:36 PM   #4
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Join Date: May 2015
Location: Central Tx.
Posts: 2,179
Year: 1999
Chassis: Amtran / International
Engine: DT466E HT 250HP - Md3060
Quote:
Originally Posted by dblair1250 View Post
Hello I'm Dylan from Washington.

I have 1997 International 3000 school bus.
I have 2 problems first one was about 2 months ago I was driving down the road and then I started to loose power after limping it back to the shop and doing dome researching I found out its related to the turbo probably a hose.

The new Problem and the most important is I went to pull it into the shop to start working on the turbo but it would not turn over charged battery's and the same problem. Decided that the battery's are about 4-5 years old so I replaced them but the same problem.
witch is turn key wait 5-10 seconds it cranks for a second or 2 and makes a rapid clicking sound. With The new Battery's it drains them to about 8.2 volts when starting maybe les swab gave me a bad battery.
Yall got any ideas trying not to buy more parts then necessary right now i already tried a new key switch and new battery's.
Try disconnecting the batteries and cleaning "ALL" the electrical connections, both power and ground, not just on the battery but also on the starter and frame
(chassis) ground.

I recently repaired my battery box and found the "Frame" side of the ground cable was in such bad shape, it was a miracle my bus would even start!

Do it right, remove, inspect, clean and protect!
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Old 02-19-2022, 12:33 AM   #5
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Join Date: Feb 2022
Location: wa
Posts: 4
Year: 3000
Coachwork: international
Chassis: 3000
Engine: DT 466
Rated Cap: 31350
Arrow Reply TO Jonnie B

Quote:
Originally Posted by Jonnie B. View Post
what engine is in the bus and what batteries are there in the chassis? sounds like you have batteries that aren't charged, a poor connection somewhere, or excessive effort/strain on the starter. Does any of the wiring feel hot when trying to start?

Is the voltage you are seeing from the gauge? have you verified battery voltage with a multimeter? Your battery should be at 12.6v to be considered fully charged. If your voltage is dropping to 8 something doesn't seem right, you should still see about 10 volts. clicking sound makes me think that you have discharged batteries or a wiring issue.
Hello the engine is a DT 466. Got new batteries, replaced with 31-5T (CCA 950) (RC 175). I have not felt any hot wiring. The Battery's are fully charged now after getting them tested les swab said I got a bad battery and swapped it out. My Bus has been parked for 3 months But when I parked it it started with no problem.
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Old 02-19-2022, 12:36 AM   #6
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Join Date: Feb 2022
Location: wa
Posts: 4
Year: 3000
Coachwork: international
Chassis: 3000
Engine: DT 466
Rated Cap: 31350
Quote:
Originally Posted by ewo1 View Post
Try disconnecting the batteries and cleaning "ALL" the electrical connections, both power and ground, not just on the battery but also on the starter and frame
(chassis) ground.

I recently repaired my battery box and found the "Frame" side of the ground cable was in such bad shape, it was a miracle my bus would even start!

Do it right, remove, inspect, clean and protect!
Cleaned All The Cables In the battery box and had the same problem. I will take apart all other cables in the mourning and clean them. Ill keep y'all posted thanks for the advise and help!!!
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Old 02-26-2022, 03:21 PM   #7
Bus Nut
 
Join Date: Aug 2020
Location: East TN
Posts: 314
Year: 1999
Chassis: International
Engine: T444E
Chase out your battery cables, removing any wrapping. I had two huge shorts (bare wire) in mine draining and killing batteries. The problem area for me was where the cables crossed over the transmission. It was both positive and negative wires.
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