Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Ask an Expert,
Get an Answer ASAP!

Related Medium and Heavy Trucks Questions
I have 3306 in a 977ltrack loader very old redid head also
I have 3306 in a 977ltrack loader very old redid head also injector pump still have lots of white blue smoke lots of air in fuel lines this injector does not have any air line from intake manifold to … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,284 satisfied customers
What are the flo rate for the hidrolic fanbfor komatsu
What are the flo rate for the hidrolic fanbfor komatsu 65ex-14 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
I was interested how for i can turn my truck up .the s/n
I was interested how for i can turn my truck up .the s/n 79619034 and the cpl is 3491, hp and lb ft … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
I am working on a 2016 Kw 153310. I am having issues with
I am working on a 2016 Kw 153310. I am having issues with the cab communicating with the Engine I have insite and e.s.a. And need someone with Paccar info that can tell me what to check for .. so basi… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
My wench is running up and down vary slow every thing else
My wench is running up and down vary slow every thing else seems to operate fine … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
C7 cat with codes 164-11 and 164-2 new injectors cat brand,
c7 cat with codes 164-11 and 164-2 new injectors cat brand , replaced high pressure pump … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a 91 Mack with an em7 300 engine injection pump will
I have a 91 Mack with an em7 300 engine injection pump will not prime after replacing injectors how much fuel pressure should it take to start this engine… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
I have a 2012 kenworth with a paccar px9 the transfer pump
Hi i have a 2012 kenworth with a paccar px9 the transfer pump does not seem to be operating to the best of my knowledge the ECM powers up the pump… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
1997 IH 4600 fire truck DT466E last 8 of vinWH537274. Eng
1997 IH 4600 fire truck DT466E last 8 of vinWH537274. Eng s/n 466HM2u1071294 249hp 2244 engine hours. Started with engine dying a couple of times when driven and pumped under light load. It would rest… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
I have a Madill 800 with a 5.9 cummins it was loosing power
I have a Madill 800 with a 5.9 cummins it was loosing power so I changed the fuel filters and now it won't run it starts good but surges for 30 seconds and then suts off. But if I put a hydrolic funct… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
I have a Cat C9 ESN C9S01556. this unit had a fault code
Hello I have a Cat C9 ESN C9S01556. this unit had a fault code for low boost pressure that keeps coming back. It has 200 counts. Aprox 1300 miles ago I replaced the boost pressure sensor, for the same… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a 1986 Scania T112 motor DSC 11-03,340 power, I need
I have a 1986 Scania T112 motor DSC 11-03,340 power, I need to put more power to go up hills, How would i do that, What Turbo do i need or update torch Thanks, Ailton DeFaria… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
I have a 2010 intentional isx cm871 in my shop with a code
I have a 2010 intentional isx cm871 in my shop with a code of spn 94 fmi 18 as low delivery fuel pressure. Put my inside on truck and checked Dara logger and fuel rail pressure is 240 to 280. Is that … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
I have 1999 fl70 with 5.9 24 valve cummins 6 speed manuel
I have 1999 fl70 with 5.9 24 valve cummins 6 speed manuel trans. I'm pulling 36 ft cedar creek 5th wheel. Had fuel lift pump and injector pumped replaced and installed 4" exhaust and k& n air cleaner.… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
Ntc 350 is this motor #0093204bx02 a correct # ***** I step up
ntc 350 is this motor #0093204bx02 a correct # ***** I step up the hp? how high?what parts . 79 c500 kw… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
Need opinion on what used small dump truck might be worth
Need opinion on what used small dump truck might be worth buying to complete DIY projects around home, including hauling a few loads of base material for asphalt driveway and a few loads of asphalt to… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
Hi, My buddy has a 1990 379 Peterbilt. A hop vibration has
Hi, My buddy has a 1990 379 Peterbilt. A hop vibration has been getting increasingly worse - starts and increases with speed. He has replaced almost everything on the truck except for transmission and… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
697 satisfied customers
Looking at purchasing a 2004 Winnebago motor home with the
Looking at purchasing a 2004 Winnebago motor home with the Cat 330 hp diesel....probably engine is an '03. This motor home has 2300 miles on it and that was mostly from the original delivery....sad, b… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 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

2,803 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

33,009 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