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Related Medium and Heavy Trucks Questions
Strange problem. Bought a 35' Bluebird Wanderlodge bus with
Strange problem. Bought a 35' Bluebird Wanderlodge bus with CAT 3208 250T & Allison MT643 tranny. Rear is a 4.89:1 ratio so by the numbers should easily do 65mph. However, the bus only runs 55 mph at … read more
Joe
Joe
Service Technician
Associate Degree
855 satisfied customers
We bought a school bus from an auction a few months back.
Hello! We bought a school bus from an auction a few months back. Other than needing an alternator, it drove home like a rocket no problem. It has an Allison AT545 transmission and lately it's been act… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Hadn't heard back from the first guy in over 4 hours, so I
Second opinion] Hi - hadn't heard back from the first guy in over 4 hours, so I thought I'd toss this out there again.I have a 2004 Bluebird Handy Bus, front drive flat-nose with a 5.9 Cummins and 200… read more
Jeremy
Jeremy
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Wayne - I have a 2004 Bluebird Handy Bus, front drive
Hi Wayne - I have a 2004 Bluebird Handy Bus, front drive flat-nose with a 5.9 Cummins and 2000 series Allison. The other day, after driving most of the day, it wouldn't go into reverse. Then, the next… read more
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Mike Mcmillan
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2016 isb 6.7 engine went into protection limp mode. Codes
2016 isb 6.7 engine went into protection limp mode. … read more
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Mike Mcmillan
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Just looking for info. I have a Cummins CM870 and climbing
I have a Cummins CM870 and climbing step long grades in high abiant air temp i get a derate. just trying to find out if i purchase insite will it show me on the screen that i went into derate and why it happens. … read more
Daniel Wilson
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I have a 5.9 cummins that is experiencing what appears to be
I have a 5.9 cummins that is experiencing what appears to be pre ignition symptoms on the highway Wondering if that is a sign of a bad injector … read more
Chris (aka-Moose)
Chris (aka-Moose)
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Vocational, Technical or Trade School
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My 1993 GMC topkick runs at 3500 rpm at 60 MPH. It used to
my 1993 GMC topkick runs at 3500 rpm at 60 MPH. It used to run around 2500 rpm @ 60 mph. What could be wrong with the tranny? … read more
Roy Belding
Roy Belding
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I have tried in the past to get help with this with no
I have tried in the past to get help with this with no sucess. Is anyone up to the chalange? It's been going on for awhile. Cummins ofr Freightliner techs please help. This one is kicking my can. 2012… read more
Jeremy
Jeremy
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Are there exhaust brake kits available for your ISB 5.9L 200
Are there exhaust brake kits available for your ISB 5.9L 200 hp engines ... either OEM or aftermarket. This is in a small water truck 2000 gal ... 2007 Ford F750 VIN last 8 didgets 7V510093 … read more
Jeremy
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Cummins 300 diesel engine loses power Full service 700miles
Cummins 300 diesel engine loses power Full service 700miles ago. Went 350 miles and lost power on hills, down to first gear and then engine died. Several times. Replaced fuel filter and went great for… read more
Curtis B.
Curtis B.
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I have a Thomas school bus, freightliner chassis, ISB 6.7 EPA
I have a Thomas school bus, freightliner chassis, ISB 6.7 EPA 2010 Cummins 240 HP S/N 73183037, Allison 2350 PTS automatic, manufactured January 2011. When started in neutral at a stop the speedometer… read more
John Vieira
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W0rking on a 2009 Bluebird bus with a Cummins 5.9 ISB. Intermittent
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Daniel Wilson
Daniel Wilson
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Answers from Two Experts requested: 2008 Fleetwood Discovery motorhome
2008 Fleetwood Discovery motorhome with Cummins 6.3ISL; has about 20k miles now. Have pulled a 6T trailer for years without any trouble relative to coolant temp, all of a sudden any hill I have to cli… read more
Geoff
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I have a Monico Motor home with a 8.3 325 Cummins motor. I
I have a Monico Motor home with a 8.3 325 Cummins motor. I feel it should have more power. Loaded truck sail by me on hills. My son has a motor home with a 5.0 cummins that leaves me way behind. What … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
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Cummings ISB 240 Engine!When at full power we receive the
Cummings ISB 240 Engine! When at full power we receive the 2500 RPM and then takes a second or so and the rpms drop and it starts to smoke (blue diesel smelly). Its in a bus and has some interesting m… read more
Expert
Expert
where is the fuse box on a 94 Bluebird bus rear engine drive
where is the fuse box on a 94 Bluebird bus rear engine drive 8.3 Cummins diesel.the right side air conditioner unit will not turn on left side operates right side is inoperative blowers will not work… read more
Toby
Toby
Vocational, Technical or Trade Scho
107 satisfied customers
2001 Bluebird School Bus at my shop that starts and dies. 5.9
2001 Bluebird School Bus at my shop that starts and dies. 5.9 ISB, VC44 pump replaced for a stall/no start, ran 2 days fine and started this start/stall on a cold start after that. Will stay running w… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

5,088 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,023 satisfied customers

worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

Certified Truck/Bus Technician

4,361 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

cumminsdr

cumminsdr

Mechanic

1,700 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,571 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 satisfied customers

24 years of experience diagnosing & repairing

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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