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
I have a 2011 Blue Bird bus with a 6.7 Cummins engine. I get
I have a 2011 Blue Bird bus with a 6.7 Cummins engine. I get codes 4094-31, nox limits exceeded due to insufficient regent quality, and 4364-18 aftertreatment 1 scr catalyst conversion efficiency. I h… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
3,919 satisfied customers
What would be involved in gettig a little more hp out of 5.9
what would be involved in gettig a little more hp out of 5.9 cumming turbo intercooled in a small blue bird bus.thanks john … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
Can I get some help? The School District I am with, have
Greetings, Can I get some help? The School District I am with, have been offered an opportunity to purchase two school buses. We are a very poor district. Bus 1: 2003-2004 Blue Bird, 106,000 miles, C-… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
We are looking at two buses two drive on Sunday to pick up
We are looking at two buses two drive on Sunday to pick up kids in town for Sunday School one has a Cat C7 diesel engine the other a Cat C6 diesel engine. I have "heard" that we should stay away from … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Have excessive oil cummings 8.3 motor blowing blue smoke.
have excessive oil cummings 8.3 motor blowing blue smoke … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
I have a 2000 Monaco Motorcoach with 325 Cummins. It has an
I have a 2000 Monaco Motorcoach with 325 Cummins. It has an Aqua blue engine coolant. Don't know what kind and have not found any like it. What would be a good coolant to use if I changed over. … read more
Curtis B.
Curtis B.
Technician
Associate Degree
991 satisfied customers
Working on a international pro start Cummins 2010 truck came
Hello sir working on a international pro start Cummins 2010 truck came in with no power and seem to die out replaced the dpf filter it was clogged and broken reset the ecm with a new dpf and truck see… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
3,919 satisfied customers
I have blue smoke coming from ISX Cummings engine sometime,
I have blue smoke coming from ISX Cummings engine sometime, I have replaced turbo, have not rebuilt the OEM, what is OEM?… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
I have a 2001 5.9 Cummings Dually with a 5 speed 202k miles.Some
I have a 2001 5.9 Cummings Dually with a 5 speed 202k miles.Some mornings on my way to work it looses power it still runs but no HP like im used too.I can push clutch in and rev it up and it clears ou… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
Dr Cummins we have a freightliner m2 partybus at the
Dr Cummins we have a freightliner m2 partybus at the shop that came with amber and red engine lights .engine is cummins isl and there are 2 codes presented at the time of inspection 1: egr out of cali… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
3,919 satisfied customers
Hello, Ive got an 86 mini bird, new battery, was running perfectly
Hello, I've got an 86 mini bird, new battery, was running perfectly a few weeks ago, however today it would not start. No clicking, no starter noises at all. Tested the battery and it has power. Tried… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
30,670 satisfied customers
Motor Coach I AM THINKING OF BUYING THIS IT ONLY HAS 21k miles
Motor Coach I AM THINKING OF BUYING THIS IT ONLY HAS 21k miles I was wondering what kind of fuel mileage I could expect. 1995 Damon Challenger Vin 4CDR57V21R2305731/BO315M5537 CHASSIE MODEL#XC18RDX OS… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
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
We have a 6.7 cummins schoolbus with a ATD differential pressure
We have a 6.7 cummins schoolbus with a ATD differential pressure code what is this telling me?… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
3,919 satisfied customers
I have a cummins isx that has a loss of power and not
I have a cummins isx that has a loss of power and not getting any turbo boost pressure. I have checked all hoses, air cooler, and dont find anything wrong. I am not getting any active codes either. I … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
3,919 satisfied customers
99 Tour Bus. Engine protect light flashes, them engine shuts
99 Tour Bus. Engine protect light flashes, them engine shuts off. About every 35 secs. No problems otherwise. Traveling Louisiana to SC. Any thoughts? Can we disable the warning to keep the bus from c… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
3,919 satisfied customers
My freightliner bus with a Cummings engine and allison tranny
My freightliner bus with a Cummings engine and allison tranny has no low end power. if we try and go up a hill from a start the gas pedal goes to the floor and the RPM's don't move. if we put 2 by 4 a… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
3,919 satisfied customers
Need an exploded parts view and part number. Not sure if I
Need an exploded parts view and part number. Not sure if I have selected the right category, but didn't see anything else that came close to fitting. Working on a 2009 44 Passenger Blue Bird Bus. It i… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 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

2,803 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,530 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

2,892 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,243 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

cumminsdr

cumminsdr

Mechanic

3,919 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

991 satisfied customers

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

dieseldan55

dieseldan55

Contractor

74 satisfied customers

Road Service mechanic for Volvo Construction.

< 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