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
Vibration in floor board and accelerater its worst in high
Vibration in floor board and accelerater its worst in high rpm and also when I let my foot off accelerater going down hill … read more
Bradey V
Bradey V
Certificate
MBN C15 skipping on number when hot under a load... new
MBN C15 skipping on number when hot under a load... new injector harness motor horness and new injector … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,012 satisfied customers
C 15 mbn smoking and has a hiss noise consistent with engine
C 15 mbn smoking and has a hiss noise consistent with engine speed. Smoke smells like fuel. When I fired it up it smoked white then blue. I checked the oil. No coolant in the oil. … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
I've got a c15 mbn that will hunt and very in engine rpm
Hi I've got a c15 mbn that will hunt and very in engine rpm from(###) ###-####rpm , … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,012 satisfied customers
Mbn c15 no power fuel psi at wot 90 psi at idle 80 psi gauge
Mbn c15 no power fuel psi at wot 90 psi at idle 80 psi gauge bounces … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,012 satisfied customers
I have a 2004 c15 MBN that keeps throwing a crank signal
I have a 2004 c15 MBN that keeps throwing a crank signal Fault and engine oil pressure fault I have changed both of them truck runs fine but throws both flats every once in awhile miss fires wondering… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,012 satisfied customers
I have a 2004 Pete with c15 mbn.. Tough idle reals of raw
I have a 2004 Pete with c15 mbn.. Tough idle reals of raw fuel and smoked. Idle up it goes away . Fuel pressure good read exhaust temps with infrared thermometer and all Checked 174 to 183 all new inj… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,012 satisfied customers
I have a c15 mbn single turbo with 1.4 million miles on it
I have a c15 mbn single turbo with 1.4 million miles on it that hasn't been touched. Original bearings, head has never been off. Injectors are original also except for #4 injector. It burns 1 gallon o… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,012 satisfied customers
What do the intake, exhaust and jakes valve setting on an mbn30162
What do the intake, exhaust and jakes valve setting on an mbn30162 cat engine. Are they same a s a 2ws?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,012 satisfied customers
working on c15 e/n mbn 10972 in a 2003 pete and eng cooling
working on c15 e/n mbn 10972 in a 2003 pete and eng cooling fan won come on even at 218. r&r sensor at ther housing. also cant comunacate with ecm… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,012 satisfied customers
have a mbn cat just over hauled with gold kit when started
have a mbn cat just over hauled with gold kit when started third or forth time noticed it smoked double checked every thing timing sensors over head adjust let it go any runs great lots of power pulle… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,012 satisfied customers
my 2005 peterbuilt with the cat c15 check engine light came
my 2005 peterbuilt with the cat c15 check engine light came on and has acode 56 and at the same time speedometer quit working only registers 10 mph and and engine stops accelariting momentarly and the… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,012 satisfied customers
I have a 2003 Pete with a C-15 that the ecm ESN doesn't
I have a 2003 Pete with a C-15 that the ecm ESN doesn't match the stamp on the engine. How do i go about changing this? ecm ESN- MBN05367 engine ESN-6NZ20374. I would also like to know the max HP/ tor… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,012 satisfied customers
just reading ur thread about cam to crank timing on c15. Just
just reading ur thread about cam to crank timing on c15. Just did repair job including remanning head now have a code 42 and a stumble need to know the correct way to cure issue… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,012 satisfied customers
Hello I have a 2003 kenworth with a C15 engine the serial
Hello I have a 2003 kenworth with a C15 engine the serial number start with MBN. Its not the 6nz. Had a outframe done on it bout 80 000 miles ago. After that every once in awhile it derates the power … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,012 satisfied customers
i have a mbn c15 doing an inframe right now i want to change
i have a mbn c15 doing an inframe right now i want to change the cam to a 800hp or a 1000hp just wondering what the part num are for those cams and if there is anything else i need to change for the c… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,012 satisfied customers
We have a cat c15 assert engine. We are needing the torque
We have a cat c15 assert engine. We are needing the torque and valve setting information to run the overhead. Thank you.… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,012 satisfied customers
I have a 2000 Peterbilt 379 with a c-15 cat. Has no throttle
I have a 2000 Peterbilt 379 with a c-15 cat. Has no throttle responce via pedal or cruise switch. Hooked up ET and no active, inactive or logged event codes. Can watch the accel position through ET an… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,012 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

3,632 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,012 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,400 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,672 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

1,458 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

149 satisfied customers

16 years of experience

dieseldan55

dieseldan55

Contractor

77 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