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
Engine swap in a 2000 topkick. C6500 topkick cat diesel to
c6500 topkick cat diesel to chevy 454 engine swap possibilities … read more
BrentR718
BrentR718
9 satisfied customers
I have a bunch of codes on my isx cuming spn3610-***
I have a bunch of codes on my isx cuming spn3610-*** … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
My 6.7 diesel ram 2500 said the DPF is full. We cleaned the
My 6.7 diesel ram 2500 said the DPF is full. We cleaned the Particulate fileter and changed the sensors on the cataylist. Started it up and it read again DPH full. As we were testing it started to blo… read more
Chris (aka-Moose)
Chris (aka-Moose)
Technician
Vocational, Technical or Trade School
353 satisfied customers
I have a 2002 Dodge Cummins diesel and start immediately
I have a 2002 Dodge Cummins diesel and start immediately shuts offI install a new injection pump in the air dog fuel pumpAny new Cam positioning sensorStill doesn't same thing … read more
Keiphun Sowell
Keiphun Sowell
Owner Brothers Restoration/Troubleshoot
AutoDiesel Technology
1,362 satisfied customers
Have a 2019 m2 freightliner cummins has code 4375 fmi4
Have a 2019 m2 freightliner cummins has code 4375 fmi4 regent pump drive percentage how do I determine pump is bad or good or wiring issue truck was ran out of def they filled it up it did do a regen … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
210 satisfied customers
2015 Intnl 4300, Cummins 6.7, OEM #3375, 3376,2639,4713. SPN
2015 Intnl 4300, Cummins 6.7, OEM #3375, 3376,2639,4713. SPN 5397-31, SPN 5357-31 … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
443 satisfied customers
I have a CAT 246D (my first skid steer) that I bought used
I have a CAT 246D (my first skid steer) that I bought used and it's now hitting the overheat warning regularly after quite modest usage (maybe 15 mins) If I let it continue to run stationary, it will … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,307 satisfied customers
I have a Cummins n14 and the is stalling or is trying to
Hi I have a Cummins n14 and the is stalling or is trying to stall when I go down hill in gear and as soon as I apply the trowel it shake a bit and on uphill drives great is pulling good no power loss,… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
443 satisfied customers
2005 freightliner columbia driver window will not go all the
2005 freightliner columbia driver window will not go all the way up. manual hand crank … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Multiple repairs and a repeat DTC 3582. Truck is a 2011 Ford
Multiple repairs and a repeat DTC 3582. Truck is a 2011 Ford F-650 W6.7L Cummins. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Late 60's ford 4500 diesel will not fire, even with ether.
late 60's ford 4500 diesel will not fire , even with ether. It was running fine until I replaced the muffler and adapter piece between exhaust manifold and muffler. I then replaced fuel filter and inj… read more
Curtis B.
Curtis B.
Technician
Associate Degree
39,543 satisfied customers
I have a 2008 Freightliner with a ISC 330 Cummins that I
I have a 2008 Freightliner with a ISC 330 Cummins that I want to change the high pressure fuel pump on. is there a timing issue where it has to be on #1 before I remove the old pump and what is the to… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
2008 cummins isx, truck sat days. We thought it was ice,
2008 cummins isx, truck sat for three days. We thought it was ice, changed filters, no good. Truck towed to shop, shop said they get truck turned over on ether but won't run… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
. have 1987 pete with a ntc 444 cummins. truck won't start.
hello. have 1987 pete with a ntc 444 cummins. truck won't start. replaced fuel filter checked fuel lines for plug. I fill filter with fuel truck wants to start but not recheck fuel filter and is about… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a 6.0 liter powerstroke diesel that only builds 350psi
I have a 6.0 liter powerstroke diesel that only builds 350psi of injection control pressure but when either is applied it speeds up rpm and engine fires and runs fine what are possible causes?… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
2002 KW C-15 single turbo hard start after sitting extended
2002 KW C-15 single turbo hard start after sitting extended period time.Bonehead driver has been spraying starting fluid until stays running.One thing he does not key it up and allow everything to cyc… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
my other truck 2009 prostar isx engine i have a fault cods 4283--inactive 3167--inacti
my other truck 2009 prostar isx engine i have a fault cods 4283--inactive 3167--inactive 2374--inactive 2554--inactive 4214--ACTIVE 2637--ACTIVE last week i had a problem whit same truck we change aft… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Ford F-900 fire truck: 1974 Ford F-900 fire truck. Need to
1974 Ford F-900 fire truck. Need to locate the brake master cly. reservoir to fill the brake fluid. The master sits verticle inside the cab by the pedal but no reservoir can be found.… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 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

39,543 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