Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Connect one-on-one with {0} who will answer your question

Related Medium and Heavy Trucks Questions
1981 International 2275 with a Cummins NTC-300 Big cam, 10
1981 International 2275 with a Cummins NTC-300 Big cam, 10 speed fuller transmission. Engine just revs up to 2100 rpms when parked and driving, Transmission it is grinding and hard to shift even when … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I NEED PARKING BRAKE PADS FOR A 1997 FREIGHTLINER WITH A
I NEED PARKING BRAKE PADS FOR A 1997 FREIGHTLINER WITH A ALLISON TRANSMISSION. THE PARKING BRAKE IS LOCATED ON THE BACK OF THE TRANSMISSION. i JUST NEED NEW PADS … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2010 Chamption CTS bus that is on the Freightliner
I have a 2010 Chamption CTS bus that is on the Freightliner MB65 chassis with 6.7 cummins and allison 2200 transmission. After hitting a large pot hole that jarred the bus, I got an intermittent "TRAN… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
415 satisfied customers
2010 truck with Allison automatic when the shift pad has two
2010 truck with Allison automatic when the shift pad has two \\ with a horizontal dash through it what does that mean… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have an old 1974 Blue Bird bus, just bought from the
Hi, my Name is***** have an old 1974 Blue Bird bus, just bought from the county, It has a Ford 534 Superduty gas engine, and an Allison transmission. When I've driven it for over an hour, and it is ho… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a 2016 Peterbilt 348 with a PX-9 engine. Allison 3500
Hello. I have a 2016 Peterbilt 348 with a PX-9 engine. Allison 3500 RDS-P. Vin *****************. … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
415 satisfied customers
Is there a chart for engine warm up time according to the
Is there a chart for engine warm up time according to the outside temperature? School buses have a large interior with almost as cooling as the radiator so could you describe an idling time frame? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
415 satisfied customers
2015 8.3 cummins turbo diesel with 9,080 original miles and
2015 8.3 cummins turbo diesel with 9,080 original miles and I have zero throttle response , will not go over 10,000 rpm. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2008 Freightliner m2 106 with a mbe900 260hp motor
i have a 2008 Freightliner m2 106 with a mbe900 260hp motor and a allison automatic transmission 6 speed. wanting to get more hp/torque. pulling 40' fifth wheel trailer all loaded up for comfort lil o… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
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
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Allison 2100 hs transmission no 5th gearNo codes 1-4 shifts
allison 2100 hs transmission no 5th gear(###) ###-####No codes 1-4 shifts fine rpm fine 2700 rpm in 4 59 mph date on trans 09h05… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Won't shift. It's a 2008 ford hd750. It's an Allison trans
it's an Allison trans 2nd gen series3000;;the code is spn2003 source address 3/fm i31 it's a cummins engine … read more
Jackie Dempsey
Jackie Dempsey
Heavy Line Technician
Automotive and Diesel Engines
126 satisfied customers
I have a bus on the side of the road with the following
Hello,I have a bus on the side of the road with the following codes:2011 Ford F650 Cummins ISB 6.7 2803712 - Red 2771 - Amber 3718 - Amber 3714 - Amber 3682 - AmberThe bus is in engine de-rate and can… read more
Roy Belding
Roy Belding
7,521 satisfied customers
2015 INTERNATIONAL SCHOOL BUS WITH A 6.7 CUMMINS ENGINE AND
2015 INTERNATIONAL SCHOOL BUS WITH A 6.7 CUMMINS ENGINE AND ALLISON TRANSMISSION. WHEN ATTEMPTED TO CONNECT TO THE ALLISON PROGRAM IT WONT COMMUNICATE AND IS CAUSING ELECTRICAL FAULT CODES IN THE PCM … read more
Pete
Pete
Automotive Mechanic
General auto certifications
40,608 satisfied customers
I have a f750 with a cat c7 and Allison 2500 reds no
I have a f750 with a cat c7 and Allison 2500 reds no communication with Tcm hard shift to reverse and starts in 4th gear in drive fuses good … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
The at545 uses a electronic modulator? Not a vacuum style,
The at545 uses a electronic modulator? Not a vacuum style, which transmission uses the vacuum? Because my tranny says it's a 545 with the Chevy 6.0 and it's got the vacuum style on it, I replaced tran… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
2011 Thomas school bus, freightliner chassis, ISB 6.7
2011 Thomas school bus, freightliner chassis, ISB 6.7 Cummins EPA 2010, 2350 Allison PTS automatic transmission. Start in Neutral at stop engine rpms runaway and speedometer accelerate along with the … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
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
John Vieira
Heavy Duty Diesel Mechanic
63 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 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

2,740 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

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x