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
2001 6nz using about 1.5 gal coolant a week.had truck to cat
2001 6nz using about 1.5 gal coolant a week.had truck to cat pressure tested over nite no pressure loss.no signs of coolant in oil from lab test..when i remove rad cap after 48 hrs of sitting still ha… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
How did I get water in oil on a cat 6nz. I have to go look
how did I get water in oil on a cat 6nz JA: What is the complete model and serial number of your machine? Customer: i have to go look it up give me a min JA: Are you fixing this yourself? What have yo… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
I am using 2 quarts of anti-freeze a day in a 2016 Kenworth
I am using 2 quarts of anti-freeze a day in a 2016 Kenworth with a Cummins 550 ISX. Checked the EGR cooler and both sides of the turbo and … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
I have a CAT 3406E and I have been losing coolant recently.
I have a CAT 3406E and I have been losing coolant recently. I have steam coming through the blow by tube. I cannot see any antifreeze or any leaks anywhere but I do have the steam coming through the b… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
I have a 2011 Kenworth with Cummins ISX engine in it. In
I have a 2011 Kenworth with Cummins ISX engine in it. In August 2016, head gasket blew and we had it replaced. Truck worked fine up until about a few weeks ago. We noticed the engine was burning oil a… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
Does or possible for a failed EGR cooler to leak antifreeze
Does or possible for a failed EGR cooler to leak antifreeze into the motor oil? Maxxforce 13 2010 I'm not sure that a leak would be any more than just a leak at the cooler. Thanks.… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
33,940 satisfied customers
Truck runs great for a couple weeks on a fresh inframe. Cat
Truck runs great for a couple weeks on a fresh inframe. Cat c-15 6nz. Shut the truck off. Started it up a few hours later Blowing white smoke and puffing. Scored hole. Injector washed the cylinder. I … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
I have a 2003 international with a ht 530 vin 1hshuadn54j023574.
I have a 2003 international with a ht 530 vin 1hshuadn54j023574. Truck over heated now it has oil in coolant. There is no sign of coolant in oil. We removed the head sent to machine shop and no proble… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
Hoping Cat Man can help here. I have a C-15 cat 6NZ. It had
Hi Hoping Cat Man can help here. I have a C-15 cat 6NZ. It had 800,000 KM on it and developed a miss and started pushing oil out of the breather tube. Tore the engine apart and found cyl.#3 was severe… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
Have an 2002 international 7500 with HT530 engine needed new
Have an 2002 international 7500 with HT530 engine needed new head gasket i had the head rebuilt and now it blows oil out of the blow by tube but didn't do it before rebuilt head any ideas… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
Hoping Cat Man can help here? I have a 2008 Pete with a Cat
Hi. Hoping Cat Man can help here? I have a 2008 Pete with a Cat 550 ACCERT, It has had an inframe and then a head gasket later. Anyways, engine is going through to much oil. No external leaks,dealer h… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
I have a 01 6nz cat. I am getting oil on the intake side of
I have a 01 6nz cat. I am getting oil on the intake side of the head. Was told compressor, replaced it. Told to take elbow of and look for valve but it just damp everywhere. Oil ends up seeping past b… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
We have a cat mbn, just overhauled, that slobbers oil out the
We have a cat mbn, just overhauled, that slobbers oil out the exhaust, about a cup per hour at idle. The motor has all new genuine cat parts including head. There is oil in the intake side of the head… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
I have a 2004 International 4300 with a dt466. It has water
I have a 2004 International 4300 with a dt466. It has water steam coming from draft tube and oil dipstick. There is a lil bit of milky oil on dip stick but oil is mostly black. And there is black grit… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
i have 3406e cat engine 475hp. i am loosing antifreeze not
i have 3406e cat engine 475hp. i am loosing antifreeze not all the time,i can see water and steam coming from blow by hose two fill caps got that jellow paste like yet oil on dip stick remain clean af… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
recently did a inframe on a caterpillar 3406e rods and mains,
recently did a inframe on a caterpillar 3406e rods and mains, new oil pump, new cylinder head, front end of engine. oil pressure drops when temperature reaches about 180 degrees, what could be causing… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
I have an International DT466e that I got rebuilt(inframe)
I have an International DT466e that I got rebuilt(inframe) 22 months ago at an Internatinal Dealership. It has now failed, No Warranty. Paid close to $20,000.00 Never purchased the extended warranty(h… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 satisfied customers
Hi i got 03 peterbilt with cat c15 6nz serial number had oil
Hi i got 03 peterbilt with cat c15 6nz serial number had oil in coolant changed water pump and thermostat by than we saw oil cooler is dirty so i changed that to after 2 weeks i see again little oil i… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,044 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

10,044 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