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
On our Mack GU713 2014 and the Radio is locked in it. The
On our Mack GU713 2014 and the Radio is locked in it. The current screen is on 0000. … read more
TomcM28
TomcM28
Owner
Associates
4 satisfied customers
2014 Mack GU713 MP7 code U010C FMI00 no comminication with
2014 Mack GU713 MP7 code U010C FMI00 no comminication with turbocharger module. … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
480 satisfied customers
CHello, Coronado with s60 blows lukwarm air and almost cool
Coronado with s60 blows lukwarm air and almost cool on defrost mode … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
15,920 satisfied customers
I have a Hvac2 spn 1548 5. I changed the temp sensor in back
I have a Hvac2 spn 1548 5. I changed the temp sensor in back And in front of inside The cab. Ac is working fine. Fan turns on and off. What I do notice also is Ac module has a delay when Ac is turned … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
I am trying to look for the engine coolant temperature
I am trying to look for the engine coolant temperature switch on my tri Pac evolution … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
15,920 satisfied customers
My 2015 freightliner m2 106 is leaking ac condensation
My 2015 freightliner m2 106 is leaking ac condensation inside cab on passenger side on and under the rubber mat. It is not draining outside.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
I have a Peterbilt 385 here in. Our shop. I have checked
I have a Peterbilt 385 here in. Our shop. I have checked relays and fuses and low pressure switch. For a 2006 Peterbilt vin 733051. Customer did say he heard a pop but all fuses are good even checked … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
15,920 satisfied customers
2009 Mack GU713 with a MP8-425M Hard start when sits
Second opinion] 2009 Mack GU713 with a MP8-425M Hard start when sits overnight cranks over then shuts off … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
15,920 satisfied customers
My Arctic switch on my TK pay is defective and runs the apu
My Arctic switch on my TK pay is defective and runs the apu constantly.. Which write do I need to cut to temporarily disable the switch until I can get it fixed? … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
15,920 satisfied customers
Cat 420D Backhoe Need assistance in troubleshooting coolant
Cat 420D Backhoe Need assistance in troubleshooting coolant temperature gauge in dash. I put a new one in and it does as the old one did. It will stay at the far left of below 120F but when I turn key… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
15,920 satisfied customers
Wanting to no how to remove the heater core from inside the
Wanting to no how to remove the heater core from inside the cab on a 2010 Mack 8-4 truck … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
15,920 satisfied customers
2009 Mack GU713, 1M2AX09C09M007285. This is a dump truck
2009 Mack GU713, 1M2AX09C09M007285. This is a dump truck with only one maxi brake valve in the dash. It has no trolley brake valve. I need to install an air system to operate trailer air brakes. Do no… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
Have a 427 Mack motor it just started pushing oil out of the
Hey I have a 427 Mack motor it just started pushing oil out of the breather tube but before this it made some of the coolant hoses blow truck temperature is a steady190. What would make this happen … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
15,920 satisfied customers
2012 international prostar with maxxforce 13 motor. Miles
2012 international prostar with maxxforce 13 motor. Miles about 550k. Truck burning coolant alot so assuming egr cooler but it has alot of blow by and some drips of coolant from blow by as well. Do I … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
211 satisfied customers
Got a 2009 mack gu713 when it gets hot and you shut it off
got a 2009 mack gu713 when it gets hot and you shut it off will crack for every and not start again only when hot not building fuel pressure let sit for awhile and cool off starts right back up … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
15,920 satisfied customers
Peterbilt387, yr 2007. air conditioner problems. air vent is
peterbilt387, yr 2007. air conditioner problems. air vent is not cool as it should. evaporator coil freeze, compressor not recycling… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
211 satisfied customers
I have a 2006 MACK granite c713, where is the coolant
Have the replacement part... just want the location so I don't take apart too many things :-)… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
15,920 satisfied customers
Morning wayne, 2011 mack gu713. I replaced the dash because
Morning wayne, 2011 mack gu713. I replaced the dash because bad temperature gauge. I was told those gauge are not sold separately. Do I have input some info about the new dash or tell me all I have to… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,747 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

5,454 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,293 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

15,920 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,747 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

1,824 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,806 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

462 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