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
2015 Pete 579 blower motor intermittently turns off then on.
2015 Pete 579 blower motor intermittently turns off then on. New control head, fan and wiring harness to motor. Running out of things to test/swap. … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I am looking at a 2016 Peterbilt 579 that is for auction
I am looking at a 2016 Peterbilt 579 that is for auction tomorrow (https://www.equipmentfacts.com/listings/trucks/auctions/193635267/2016-peterbilt-579?gtmlt=1) - and, it has what looks to be yellow w… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
324 satisfied customers
Replaced coolant hose from reservoir yesterday....it's a
Replaced coolant hose from reservoir yesterday....it's a 2015 Pete 579 with a paccar.... today ran fine aprix 600 miles with full load ...as soon as I stopped low coolant light came on and coolant is … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,431 satisfied customers
I need a engine wiring diagram that includes the NOX sensor
I need a engine wiring diagram that includes the NOX sensor and DEF dozer for a 2013 Peterbilt with a Cummins ISX15 450ST, Engine number 79554914 Family CCEXH0912XAP … read more
AMANDEEP MAHERU
AMANDEEP MAHERU
1 satisfied customers
I have a 2015 Peterbilt ISX15 when it rains I get a fault
I have a 2015 Peterbilt ISX15 when it rains I get a fault code 641 for turbo actuator and abs and DA right wheel speed sensor code 792 but it would run fine but the other day I was in alot of slush an… read more
Keiphun Sowell
Keiphun Sowell
AutoDiesel Technology
602 satisfied customers
We have a spn641 code on a 2015 Peterbilt. Cummins ISX15.
We have a spn641 code on a 2015 Peterbilt. Cummins ISX15. 550. SN 287114. Amber service advised light. Could you please tell us what that means? … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,182 satisfied customers
Coolant leak. Not leaking on ground. Adding 1/2 gallon of
Coolant leak. Not leaking on ground. Adding 1/2 gallon of coolant every 2 days. Truck is 2017, 579 peterbilt with 370,00 miles … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
324 satisfied customers
I have a 2019 Peterbilt with a Cummins X15. The fuel/water
I have a 2019 Peterbilt with a Cummins X15. The fuel/water separator will not stop draining fuel so I am unable to replace the filter. The tanks are full. Need some guidance. … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
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
3,893 satisfied customers
I have a 2013 isx15 cm2350 and cant find fuel temperature
I have a 2013 isx15 cm2350 and cant find fuel temperature sensor location. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,431 satisfied customers
Engine light with wrench is on. I know there is an exhaust
Engine light with wrench is on. I know there is an exhaust leak at the head. No message on dash. Just trying to find out how far I can make it. In the middle of Nevada. 200 miles from dealer … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
324 satisfied customers
2014 579 Peterbilt the plug for the hood lights went bad.
2014 579 Peterbilt the plug for the hood lights went bad. cut and hard wired them. still no running lamps in headlights or on the side of the hood. checked power before the plug and there's no power c… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,893 satisfied customers
2014 peterbilt 579 cummins isx15 light in dash in shspe of
2014 peterbilt 579 cummins isx15 ***** *****ght in dash in shspe of engine with a wrench in it and fault codes system engine spn: 1209 FMI:4, system engine spn:1209 FMI:2, system engine spn:1569 FMI:3… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,182 satisfied customers
ISX 15 engine is in derate. Screen show "fuel rail
ISX 15 engine is in derate. Screen show "fuel rail pressure". Also show a fault code of SPN 5585. … read more
Nicholas Awtry
Nicholas Awtry
20 satisfied customers
It's in sweats mode, limp home mode is there a way to bypass
It's in sweats mode, limp home mode is there a way to bypass so I can get to a shop? … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Cummins code particulate trap 1pressure, 2015 t660 kenworth
Just doing regeneration trying to make I back home … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,431 satisfied customers
I acquired a Cummins isx 15 550 engine (cm2350) complete
I acquired a Cummins isx 15 550 engine (cm2350) complete with fuller transmission and emissions after treatment system (egr, scr) off of an 2015 international truck. ecu and wire harness included up t… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
2015 Peterbilt 579 - started having a hard start yesterday.
2015 Peterbilt 579 - started having a hard start yesterday. Today truck self started and has been running for almost 5 hours. Out of driving hours and on a 34 hour reset. Help!… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,431 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

4,431 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,171 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,893 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,738 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

4,182 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,413 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

311 satisfied customers

16 years of experience

< 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