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 a 565 cummins. Went into Pape Kenworth 2 wks ago. Had
I have a 565 cummins. Went into Pape Kenworth 2 wks ago. Had a cylinder test done and an oil cooler replaced, as well as a valve adjustment. There was a slight miss in the exhaust. Lost 10 lbs of oil … read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
11 satisfied customers
5EK runs fine but will no hold a prime for very after you
5EK runs fine but will no hold a prime for very long after you shut it off … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
I have ISX15 Cummins 2011, I replaced the fuel pump 2 days
Hello, I have ISX15 Cummins 2011, I replaced the fuel pump 2 days ago and change the oil , filters , after that everything was ok, I start the truck and try to run after couple miles felt some shake a… read more
Roy
Roy
shop foreman
Associate Degree
4,483 satisfied customers
Spn 1569 fmi 31 is showing, I got a 2012 587 Cummins isx. I
Spn 1569 fmi 31 is showing, I got a 2012 Peter 587 Cummins isx. I replace a lot of parts already and I'm loosing power … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,971 satisfied customers
I have a 2002 Kenworth with a 6nz 550, and it seens like it
I have a 2002 Kenworth with a 6nz 550, and it seens like it is getting air in the fuel. i just had a mechanic replace all the injector o ring and make sure the injectors are all seated clean! this seems to have made the problem worse. we changed the bypas valve in the filter housing as well. Thoughts? … read more
Cat Man
Cat Man
Cat Engine Expert
9,557 satisfied customers
2005 INTERNATIONAL 4400 DT466E . Engine starts and runs but
2005 INTERNATIONAL 4400 DT466E . Engine starts and runs but will cut off after going about a 1/4 mile. Engine shuts down and you can bleed the fuel rail and prime the pump and truck will start. Truck … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,971 satisfied customers
I have a 2003 Kenworth Tractor with a Cat C-15, single turbo
I have a 2003 Kenworth Tractor with a Cat C-15, single turbo 475 horsepower. 1.9 million miles on it. VIN 1XKADB9XX3J705296 Over the last 12 months the truck has gotten very sensitive about it's fuel … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I have kenworth t660 with cat c-15 engine serial# ADP21414.
I have kenworth t660 with cat c-15 engine serial# ***** We are replacing head gasket as mechanic said it's bad. Also replacing injector seal cups. I was loosing a lots of coolant like 1 gallon every 1… read more
Cat Man
Cat Man
Cat Engine Expert
9,557 satisfied customers
cat 257b had fuel tank wire brushed cleaned out and some other
cat 257b had fuel tank wire brushed cleaned out and some other things redone a few months ago when vehicle started losing power. smoking sputtering especially when under a load. go it back ran fine fo… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
Cat Man, you've helped us out a few times over the past
Hello Cat Man, you've helped us out a few times over the past few years and it's been a great help. Right now I have 1997 Pete with a CAT engine, and it's acting like we got some bad diesel. This morn… read more
Cat Man
Cat Man
Cat Engine Expert
9,557 satisfied customers
I have a 3406E that started missing this morning. Sounded fuel starved. Ambient temps ne
I have a 3406E that started missing this morning. Sounded fuel starved. Ambient temps near 0*F so assuming a gelling situation I added diesel 911 and powerservice and parked in heated shop. The sputte… read more
Cat Man
Cat Man
Cat Engine Expert
9,557 satisfied customers
2006 Pete with CAT C7. Truck has a fresh rebuild less than
2006 Pete with CAT C7. Truck has a fresh rebuild less than 200 hr ago. Truck was driving and had a sudden loss of power and they had trouble getting it up to 15 mph, (OF COURSE THAT IS WHAT MY DRIVER … read more
Cat Man
Cat Man
Cat Engine Expert
9,557 satisfied customers
I have a 2006 c-15 cat engine. It wont start. It cranks but
I have a 2006 c-15 cat engine. It wont start. It cranks but wont fire. Its a t800 Kenworth dump truck. What could be the problem?… read more
Cat Man
Cat Man
Cat Engine Expert
9,557 satisfied customers
Wits end in trying and almost broke trying to resolve this
Wits end in trying and almost broke trying to resolve this one. We have 2009 Kenworth ISX Cummins that gets low fuel pressure and will drop from 6.5 MPG to 4.5 MPG unless you change the fuel filter we… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
the kenworth has frozen, yes frozen in the lines 2 times now
the kenworth has frozen, yes frozen in the lines 2 times now first time was in the fuel tank and now today the lines are froze.. we have 3 new ones and all are down what is causing this problem… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
696 satisfied customers
Have a 2006 kenworth T600 with Cat C-15 in it. Doesnt seem
Have a 2006 kenworth T600 with Cat C-15 in it. Doesn't seem to have pulling power with load hooked up to it and have to shift between gears alot. Power ok no load. Had a bad turbo and replaced. Also e… read more
Cat Man
Cat Man
Cat Engine Expert
9,557 satisfied customers
GMC c7000: I have a 96 cat 3116. It starts fine drives local
I have a 96 cat 3116. It starts fine drives local fine. It is a bucket truck so runs at 1000 rpm all day with no problems . When I climb a hill over 40 the motor runs out of power and sounds flat. I c… read more
Cat Man
Cat Man
Cat Engine Expert
9,557 satisfied customers
i have a 2006 cummins isx 500hp and 1850lb torque in a kenworth
i have a 2006 cummins isx 500hp and 1850lb torque in a kenworth heavy spec truck. it wont pull an empty set of super-b woodchip vans. i have done the delete of the egr last november. it has 2 codes fo… read more
Clayton
Clayton
Technician
Vocational, Technical or Trade Scho
625 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

2,971 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

9,557 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