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
CatMan, I am working on an 08 Pete with a Cat ESN SPD061. We
CatMan, I am working on an 08 Pete with a Cat ESN SPD061. We are looking for the specs and procedure for valve adjustment. Thanks!… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Need to know the torque on the rocker arm assembly hold down
need to know the torque on the rocker arm assembly hold down for a c15 … read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
7 satisfied customers
Cat c15 engine number mbn15630 can u guys help me we the
Cat c15 engine number mbn15630 can u guys help me we the overhead adjustment please valve adjustment thx… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,307 satisfied customers
Need torque specs for rocker housing. 2007 peterbilt c15. I
Need torque specs for rocker housing JA: What's the make/model/year of your truck? Engine type? Customer: 2007 peterbilt c15 JA: Are you fixing your truck yourself? What have you tried so far? Custome… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
CAT C15. Adjusted valves about 40k ago just got a bad
CAT C15. Adjusted valves about 40k ago just got a bad injector. Have jake assembly off 3&4 plus rockers. Is it necessary to re-adjust valves when installing new injector. Also, no. 4 injector is 4th f… read more
james Roberts
james Roberts
Maintenance assistant
Vocational, Technical or Trade School
3 satisfied customers
Looking for valve clearance, jake clearance, iva clearance,
looking for valve clearance, jake clearance, iva clearance, and torque specs for a 2004 cat c15 acert … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
429 satisfied customers
CATMAN i believe i read somewhere that the C7 injectors have
CATMAN i believe i read somewhere that the C7 injectors have different modes of firing. if so, could you explain that to me??? im sure i have a bad injector causing bad fuel knock, when i cut that cyl… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
Catman 6nz rebuilt using cat parts and head on 3/2017..
catman 6nz rebuilt using cat parts and head on 3/2017.. yesterday going down the road, gave no signs, engine started making a clanking noise and smoked like a freight train light grey color... egine c… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
Cat man, the 2004 c13 I am doing overhaul out of frame. If I
Cat man , the 2004 c13 I am doing overhaul out of frame. If I remove the bell housing do I have to do any alignment going back together? Also the rear main seal can it be install before installing the… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
Cat Man, I need to overhaul a cat c13 KCB78215. I have done
Hey Cat Man, I need to overhaul a cat c13 KCB78215. I have done a couple c15s with no trouble but this engine is a lot different. Why would the head be so full of carbon buildup when this engine doesn… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
Catman i have a peterbuiltwith at c15 engine and i have a
Hello catman i have a peterbuilt(###) ###-####with at c15 engine and i have a problem that the fuel tanks were filled with water the fuel has a white color, the truck is rouhg idling to the point that… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
C12 1YN11287 Truck has a flutter/miss/ grey smoke revving
C12 1YN11287 Truck has a flutter/miss/white grey smoke revving thru the gears or sitting still. Doesn't do it all the time. But acts up most of the time.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Catman, I asked you a question a few weeks ago regarding
Hey there catman, I asked you a question a few weeks ago regarding a “crank but no start” problem on a cat C15. It seems to be happening again. The truck in question is a 2007 peterbilt 379 (674827) c… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
hey cat man i pulled a head off 3204 the block deck has
hey cat man i pulled a head off 3204 the block deck has pitting and deteiration around the water passages and the height diff between the unpitted and pitted are from 10 tho to 15 tho your thoughts… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
Can you show me the sequence or how do an over head valve and
Can you show me the sequence or how do an over head valve and injectors adjustment on a C15 Cat Thank you… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Hey catman, I am getting diesel in the engine oil of a C15
Hey catman, I am getting diesel in the engine oil of a C15 MXS serial number. What is the most likely cause of this, injecotrs or fuel pump. Is there a way to test the pump to see if it is leaking?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
I have a 1995 freightliner fld it had a 3406 e engine I change
I have a 1995 freightliner fld it had a 3406 e engine I change that motor to a c15 I had to used a harness adapter . The engine will run off of start fluid but once it is gone it dies out . I don't th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
hello Ive got 04/ FLiner columbia with C15 quit running going
hello Ive got 04/ F'Liner columbia with C15 quit running going down highway hooked up computer and had no codes but if you crank engine checkengine light comes on and then active codes for high curren… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 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

10,237 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,023 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