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
I have questions about my cat c15 acert. Debating on doing a
debating on doing a rebuild with single turbo conversion but I talked to a guy said put 16-1 pistons in it program computer and leave the twin turbos on it. Is this possible or will it work without failure down the road? … read more
Justin
Justin
Diesel Technician
Vocational, Technical or Trade School
8 satisfied customers
2005 Peterbilt 379 C15 Acert. Truck will randomly lose power
2005 Peterbilt 379 C15 Acert. Truck will randomly lose power and shut off. I can tell it's fuel pressure issue but confusing because it will run fine for days the all of a sudden it starts acting up. … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
I have a 2005 Kenworth t800 with a bxs c15 Acert ran fine
I have a 2005 Kenworth t800 with a bxs c15 Acert ran fine all summer and now we are pulling super bees again after pulling triable all summer and its using 2-4 laters engine oil per day … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
Well I have a sdp cat s/n 18001 I am having trouble with it.
Well I have a sdp cat s/n 18001 I am having trouble with it. When you … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I got a 2009 c15 sdp19638 When you start it cold kind of
Hi. I got a 2009 c15 sdp19638 When you start it cold kind of runs rough for a little bit and lots of blueish white smoke. Then once truck is warm doesnt smoke at all. Winding what could be causing it.… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
I have a Cat 6.6 Acert engine serial number 66602665
I have a Cat 6.6 Acert engine serial number 66602665 Arrangement number(###) ###-#### I have a hard getting it start when cold. Block heater plugged in and glow plugs working and it still will not fir… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
I got a problem with my cat c 15 acert engine i think its an
Hi i got a problem with my cat c 15 acert engine i think its an injector problem. The engine blows white smoke in high boost only when i start truck in the morning at cold weather it has been doing th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
2007 pete 379 c15 Acert cat mxs99184 serial number. 2007
2007 pete 379 c15 Acert cat mxs99184 serial number. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have t600 with acert engine. During a hard pull especially
I have t600 with acert engine. During a hard pull especially under heavy loads or cold days, it will stumble or puff for 2 or 3 seconds and then it's okay. This random, it doesn't do all the times. It… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a 2005 f350 super duty quad cab 6.0leng. when started
I have a 2005 f350 super duty quad cab 6.0leng. when started cold it runs fine. oil pressure,fuel pressure and boost pressure are well within limits. after reaching rumming temp.,it starts to surge or… read more
Chris (aka-Moose)
Chris (aka-Moose)
Technician
641 satisfied customers
Cat Man, I have a customer that has a C15 that was rebuilt
Cat Man,I have a customer that has a C15 that was rebuilt 15,000 miles ago with a Cat kit. The blowby is terrible and when they pulled the engine apart the cylinders are like a mirror and and have a r… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I've C15 BXS with VVAs put to sleep, and tuned to 650hp. I
I've C15 BXS with VVAs put to sleep, and tuned to 650hp. I has an derate issue when cold, with a load it will only build 35 psi boost, and feels draggy, and after you've driven bout 5-10 minutes it st… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Second opinion] 2006 IH 4300, dt 466T. Truck runs good, no
Second opinion] 2006 IH 4300, dt 466T. Truck runs good, no ck engine light, no codes. A little hard to start when cold, ICP is making desired. The main problem is once engine runs for just a few minut… read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
746 satisfied customers
06 KENWORTH T 800 fault code is 26 This is the first time
06 KENWORTH T 800 fault code is 26 This is the first time i've ever tried this , don't even know if I'm doing it right. Just rinsed off engine with 180 psi water from garden hose, maybe this has some … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 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
10,344 satisfied customers
I HAVE 2005 FREIGHTLINER CENTURY WITH C15 CAT ENGINE. VIN#
I HAVE 2005 FREIGHTLINER CENTURY WITH C15 CAT ENGINE. VIN# ***** EVERY MORNING AFTER I'M STARTING UP MY TRUCK MY SPEEDOMETER SHOWING 75-80MPH. ( ENGINE ON RUN BUT TRUCK PARKED ) WHEN I START DRIVING S… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Hi Cat Man I am needing some help. I bought a truck with a
Hi Cat Man I am needing some help. I bought a truck with a SDP acert with broken rockers and housing. I replaced all those parts to find low power and was unhappy with engine I never drove an acert so… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a 2008 freightliner coronado with a VIN of 1fujcrav28dz05377.
I have a 2008 freightliner coronado with a VIN of 1fujcrav28dz05377. It has a C15 engine with the engine # XXXXX AND ECU # XXXXX It scans with these codes: spn3715-fmi31 - undefined - active spn1110-f… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 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

6,062 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,344 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

5,115 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,756 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

Curtis B.

Curtis B.

Technician

1,947 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

cumminsdr

cumminsdr

Mechanic

1,886 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 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