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 2015 peterbilt 579 with a paccar engine and the fan
I have a 2015 peterbilt 579 with a paccar engine and the fan clutch is not coming on. The light in the dash is coming on but the fan does not and the temperature in getting up to 225. … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
12,991 satisfied customers
I have a 2018 Peterbilt and my fcan buss warning goes on and
I have a 2018 Peterbilt and my fcan buss warning goes on and off intermittently. Any solutions? … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
The front axle has been running very high. I've already had
The front axle has been running very high. I've already had the fluid checked. Not sure what the problem is. Temperature has been 100° plus … read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
185 satisfied customers
Battery died checked voltage of batteries and alternator
battery died checked voltage of batteries and alternator seemed ok 14.0 while running 12.5 while off, I got I diagnostic report many items like 40 of them , permanent are spn 2791 and 5625 … read more
Keiphun Sowell
Keiphun Sowell
AutoDiesel Technology
105 satisfied customers
Need diagram for bolt torque on rocker / push rod bolts for
Need diagram for bolt torque on rocker / push rod bolts for a Paccar mx13 in a Peterbilt(###) ###-####… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
I had a sensor diaconnected. How do i turn the dinging alarm
I had a sensor diaconnected. How do i turn the dinging alarm off? … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
2014 peterbuilt 579 paccar engine spn 1209, FMI 16. 2014
2014 peterbuilt 579 paccar engine spn 1209, FMI 16 … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
12,991 satisfied customers
Fuel turning black.Have to change fuel filters often.Now
Fuel turning black.Have to change fuel filters often.Now loosing prime on the fuel. … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
12,991 satisfied customers
2015 Peterbilt 579- wont turnover. It has a flashing red def
2015 Peterbilt 579- wont turnover. It has a flashing red def light. … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
203 satisfied customers
Do you have an expert on Paccar MX13 engines? 2012 KW T660
Do you have an expert on Paccar MX13 engines? JA: What's the make/model/year of your truck? Engine type? Customer: 2012 KW T660 Paccar MX 13 JA: Are you fixing your truck yourself? What have you tried… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
I have a 2015 peterbilt 579. It is having regen issues. I
I have a 2015 peterbilt 579. It is having regen issues. I pulled apart the decomposition tube( I found def crystals at dosing valve. There was solidified def in the decomp tube, I cleared all that out… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
203 satisfied customers
Does Peterbilt use both Paccar and Cummins engines?
Does Peterbilt use both Paccar and Cummins engines? … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
I have a pb335 auto that will not go in drive can you help.
I have a pb335 auto that will not go in drive can you help … read more
timdieseltech
timdieseltech
diesel tech
Vocational, Technical or Trade School
98 satisfied customers
Why would me dome light and panel light go out in a
why would me dome light and panel light go out in a peterbilt 579 - all fuses look good. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
I have a 2017 peterbilt 579 that has lost communication with
I have a 2017 peterbilt 579 that has lost communication with the transmission..what causes this and is there something I can do … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
I have a 2014 peterbilt 579 with a mx-13 I have fault code
I have a 2014 peterbilt 579 with a mx-13 I have fault code spn 3226 fmi 16 what is this code for … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
I have a 2013 peterbilt with an mx-13. Check engine light
I have a 2013 peterbilt with an mx-13. Check engine light comes on and the display says 2 things : EGR delta pressure DPF fuel enable actuator… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
We are working on a 2014 Peterbilt 389 with a Paccar MX
We are working on a 2014 Peterbilt 389 with a Paccar MX engine. Had to replace the EGR and coolant lines. Trying to figure out how to replace the lines and get them connected. Is there a special tool?… read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
500 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

3,632 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,965 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

12,991 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,672 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

1,458 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

149 satisfied customers

16 years of experience

dieseldan55

dieseldan55

Contractor

77 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