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
Is this services free. I want to know if a Eaton transmisión
I want to know if this transmisión has a tpo because I wanted to use it in a roll of truck… read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
12 satisfied customers
04.5 chevy c5500 Duramax 6.6l lly vin 1GBE5C1274F511897
04.5 chevy c5500 Duramax 6.6l lly vin 1GBE5C1274F511897 Installed 06 Duramax LBZ cut the tooth on the crank timing wheel correctly . Have signal etc. had to use lly cam & crank sensors Injection syste… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,530 satisfied customers
I have 2007 gmc tool truck I put a new isolator on my truck
hello I have 2007 gmc tool truck I put a new isolator on my truck and no power to alt and the trigger wire … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
You never helped me last time. Can I speak to a tech. ???? I
You never helped me last time JA: What's the make/model/year of your truck? Engine type? Customer: Can I speak to a tech JA: Are you fixing your truck yourself? What have you tried so far? Customer: ?… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
05 gmc topkick lly crank no start. Crank sensor unplugged,
05 gmc topkick lly crank no start . Crank sensor unplugged , key on has 11volts on green, flaky oscillating ground on yellow/black stripe, nothing on blue/white stripe wire. The 11volts should be 5 & … read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
30,670 satisfied customers
No start no Ecm communication can see trans and instrument
No start no Ecm communication can see trans and instrument cluster. Powers and grounds to ecm check ok. 2009 4300 Maxforce 7 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,530 satisfied customers
I am working on a 2005 c4500 topkick with a duramax. It will
I am working on a 2005 c4500 topkick with a duramax. It will not start unless you give it a shot of either, the fuel rail pressure while cranking only gets to about 1900psi and the desired pressure is… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,530 satisfied customers
Actually, it's a GNC 5500 that has been built as a fire
Actually, it's a GNC 5500 that has been built as a fire truck. The batteries are draining down overnight with no indication of a load. Three time to the shop with no root cause … read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
12 satisfied customers
Won't shift. It's a 2008 ford hd750. It's an Allison trans
it's an Allison trans 2nd gen series3000;;the code is spn2003 source address 3/fm i31 it's a cummins engine … read more
Jackie Dempsey
Jackie Dempsey
Heavy Line Technician
Automotive and Diesel Engines
104 satisfied customers
Changed fuel filter. On a 2003 Chevy Kodiak C4500, it's
Changed fuel filter JA: Is the fuel filter an external one, or is it inside the tank? Customer: on a 2003 Chevy Kodiak C4500, it's external. JA: What is the model of your '03 GM? Customer: Kodiak C450… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,530 satisfied customers
Pto high idle wont work, 102,000 kms 7.2 cat, 2006 gmc c6500
im a truck and coach shop, customer brought me this truck because pto wont work. ends up being cause the idle wont go up when you hit the switch. … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
2011 kenworth t700 paccar mx pmc1-2, i have a code u1104
i have a code u1104 adaptive cruise control (acc1) … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,530 satisfied customers
I have a 2003 7400 series International (vin 3j062993) I can
I have a 2003 7400 series International (vin 3j062993) I can not get the scanner to communicate with the ecm. I have Ohm tested the 9 pin plug and the yellow and green wires all the way to the pcm. ev… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
I am working on a 2006 GMC C5500 with a C5 Isuzu 6.6 LLY.
Hi, I am working on a 2006 GMC C5500 with a C5 Isuzu 6.6 LLY. The transmission will not shift out of 1st gear when the motor get hot. I used a JPRO diag scanner and the TCM kicked out a u0100 code wit… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
I have a 2012 international 4300 box truck maxxforce. I
I have a 2012 international 4300 box truck maxxforce. I would say there's an issue with the lift pump and possibly with the sensor injection control pressure. The 3 active codes are 2797fmi4 2003fmi31… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,530 satisfied customers
I have a 04 Chevy c5500 with a U0100 code coming on when it
I have a 04 Chevy c5500 with a U0100 code coming on when it is driven down the road a few miles. When the code comes on it is when the truck is braking and it downshifts hard like its in "limp mode" a… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
I have 2003 Chevy c6500 with a 3126e I need the starting wiring
I have 2003 Chevy c6500 with a 3126e I need the starting wiring diagram have no crank have power on 70 pin need to know input that control the crank output wire to starter relay I am also twenty five … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
gm 5500: I have a 2009 gm duramax diesel in 5500 series bus'
I have a 2009 gm duramax diesel in 5500 series bus' it runs but has code u100 tcm can not communicate with ecm.the wiring between glow plug controller and tcm are good .the wiring to dlc is good.but w… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
30,670 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

7,530 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

1,351 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