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
This is an ISX CM871 engine serial # 60807671 this engine
This is an ISX CM871 engine serial # 60807671 this engine was put into this truck as a crate engine in 2013 currently has 500,000 miles could look at any records or data? Let me if you need more info … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I have a old 300l want to find out what the oil pressure
I have a old 300l want to find out what the oil pressure should be it has 35 at idle 75 running speed at full operating temp … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Am looking at a 2003 Mack vision 470 hp but its overheating
hi am looking at a 2003 Mack vision 470 hp but its overheating just seeing if anyone else has had similar problems and how they fixed it it has got a new water pump and radiator and has made no differ… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Same issue a Mack Eaton auto shift won't start look's like
Same issue a Mack Eaton auto shift won't start look's like transmission stuck on gear went I shut it down … read more
Roy Belding
Roy Belding
7,532 satisfied customers
I recently retuned my MP8 deleted the DPF and egr and gave
I recently retuned my MP8 deleted the DPF and egr and gave it 48 more hp it now doesn't want to pull can hardly make 100 km per hour loaded … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Looking at buying a mack ch788 with 18 speed r/r with mack
looking at buying a mack ch788 with 18 speed r/r with mack motor can I put a cat in and what size if not what size cummins? … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
14,887 satisfied customers
I have a 1985 mack r model value liner and it has the alum
i have a 1985 mack r model value liner and it has the alum front main bolts to it and i have broke both sides of it where it bolts to the frame at different times did somebody ever make a after market… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a JO8CT turbo engine from 06/99, bought in 2003,
I have a JO8CT turbo engine from 06/99, bought in 2003, complete over haul in 07 at 181,000 Km then cylinder replaced at $236,000 then leaking rocker cover gasket at 248,000 KM and again now at 275,00… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a 2004 Volvo VNL630, it has the 12.1 liter VED12 435
I have a 2004 Volvo VNL630, it has the 12.1 liter VED12 435 engine. It is coming to the point where it needs a new turbo. With Cummins N14, Series 60 detroit, and cat engines you can buy a bigger turb… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a quantum Mack truck chasing code Plunkett cassette
I have a quantum Mack truck chasing code for renault Plunkett cassette player radio 2002 thank you… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a Mack With a L 7 460 hp engine. It runs great, but
I have a Mack With a L 7 460 hp engine. It runs great , but when starting out it puts out white smoke with each of the first 3 0r 4 shifts. No smoke at all when just running even at high rpm. What is … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
14,887 satisfied customers
I have a vmac series 2 mack in my workshop with an ae7 400
i have a vmac series 2 mack in my workshop with an ae7 400 hp engine in it 1998 model with electronic fuel pump . will the ea7 470 hp engine fit straight in sharing the same lume ?… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Have hino 1126 2013 model supposed to be 260 hp I'm towing
Have hino 1126 2013 model supposed to be 260 hp I'm towing a 6 tonne trailer with about 4 tonne on the back but it doesn't want to pull up the hills sees a hill and wants to run the other way any idea… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
Goog Morning Im the owner of a 2006 Mack Quantum EA7 engine
Goog Morning I'm the owner of a 2006 Mack Quantum EA7 engine and require a computer system. Current computer not working were can i get one from and what is the approx cost. Current addresses Browns P… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Hello, we are a water well drilling business located in southern
Hello, we are a water well drilling business located in southern New Jersey and are in the process of purchasing a new drill rig and have options on trucks. We will need a tanden full screw truck with… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
14,887 satisfied customers
I have a 2012 Peterbilt with a 500hp isx. I pull super bs in
I have a 2012 Peterbilt with a 500hp isx. I pull super bs in BC. Not happy with the pulling power. Still have warranty so not lookin to do a egr delete kit. Any ideas for gettin a couple more ponies t… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I would like a list of fault blink codes for a 2001 mack
I would like a list of fault blink codes for a 2001 mack quantum, the code i am getting is 4 blinks then 2 blinks… read more
Expert
Expert
hello. i am looking to buy a moving truck. 24/26 ft under
hello. i am looking to buy a moving truck. 24/26 ft under 26k gvw. around 150,000 miles. My options are: intl with 466 engine or FTL with a cat engine (both with 210-225 hp) any recommendations?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 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

14,887 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

1,571 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