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
2004 cat acert c15 Diesel engine over heats only when boost
2004 cat acert c15 Diesel engine over heats only when boost pressure reaches over 30 psi with light loads and 17 psi with heavy loads. No coolant loss or oil. Compression is good on all cylinders. Wil… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
C15 Acert motor building pressure in the cooling system. I
C15 Acert motor building pressure in the cooling system. I am aware that the diverter valve going bad can cause this issue. I am wondering what the diverter valve uses for pressure behind the diaphram… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
I have 2005 cat c7 changed the fuel filters and can't get it
Hi I have 2005 cat c7 changed the fuel filters and can't get it primed … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
I have a 2005 kw with c15. After 2-3 days have to manually
I have a 2005 kw with c15. After 2-3 days have to manually hand prime to start the engine. Filters are new where is the fuel pressure regulator or check valve to stop bleed off of fuel psi . Tx Rick … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
Cat c15 sdp05927 Doing a complete rebuild right now, truck
Cat c15 sdp05927Doing a complete rebuild right now, truck is deleted and I am physically removing all components during the rebuild.My question is, can I remove the intake pre cooler? My truck hauling… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
I have a C15 6NZ no start. Getting fuel with pressure.
I have a C15 6NZ no start. Getting fuel with pressure. Checked with Cat ET and no codes. R&RAY primary and secondary engine speed timing sensors. Both were sized to wiring harness. Saved secondary wir… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
I have coolant blowing out my radiator cap. I've checked to
I have coolant blowing out my radiator cap. I've checked to make sure pump is working by the line going to top of reservoir. I put Blowby tube in bottle of water to see if it blew air and it did even … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
I got a TwinTurbo cat : I have a TwinTurbo Cat c15 I got a
Hello I have a TwinTurbo Cat c15 I got a cold 98 what could that be … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
Ok i need facts kcb c13 pre cooler busted twice oil cooler
Ok i need facts kcb c13 pre cooler busted twice oil cooler water pump leaking from weep hole and multiple hoses busting all happening a week apart. Customer got tired of spending money so he took it t… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
Having problem getting water in the intake changed the
having problem getting water in the intake changed the intercooler … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
I have c15 cat engine it has too much conversation in the
I have c15 cat engine it has too much conversation in the valve cover comes out from the bleeder tube and I have rebuild it twice. I am loosing too much coolant but the oil level is good, truck runs g… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
Mr. Cat Man, I have a cat C13, ESN:KCB. I have had 3 precoolers
Mr. Cat Man, I have a cat C13, ESN:KCB. I have had 3 precoolers fail on this truck in the past 2 months. Do you know if there is a known problem with these coolers and is there anything that can cause… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
, Can you read the email thread below and help with answers,
, Can you read the email thread below and help with answers, or suggestions. Thanks, Adel. ______________________________________________ Hey Adel, could you check your website and see if they have an… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
I have a 2005 Cat c15 in a 2005 Kenworth T800. I has been running
I have a 2005 Cat c15 in a 2005 Kenworth T800. I has been running perfect with great fuel mileage. I had a PM done a few weeks ago and we alo had to replace the water hose located behind the Fuel cool… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
have a 07 c15 cat that has a lot of pressure in radiator but
have a 07 c15 cat that has a lot of pressure in radiator but not overheating or blowing coolant out bypass air compressor still doing it… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
catman I have an 08 cat c15 eng sn sdp04125. It is building
catman I have an 08 cat c15 eng sn sdp04125. It is building pressure in the coolant. We thought it had a leak but I just looked at it and it appears to be flowing from the cap. the engine was cool lik… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
Hello I have a 2008 pete with a c15 accert engine its has a
Hello I have a 2008 pete with a c15 accert engine its has a waterleak in what looks to be some kind of a housing behind and below waterpump. Its above oil filter on passenger side.Is this something si… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,177 satisfied customers
I am working on a 2005 International 4300 with a DT466 EGR
I am working on a 2005 International 4300 with a DT466 EGR engine. The truck is very hard to start after sitting overnight, even after a few hours. When trying to start it, get a lot of smoke out the … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,431 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

4,431 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,177 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,893 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,738 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

1,629 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,413 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

311 satisfied customers

16 years of experience

< 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