Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Ask an Expert,
Get an Answer ASAP!

Related Medium and Heavy Trucks Questions
Working on a Cat C12. Burning anywhere from 5 to 8 gal a day
Working on a Cat C12. Burning anywhere from 5 to 8 gal a day last fall during harvest. Brought into shop finally to work on, before it was plain ally visible white smoke from exhaust feeling comfortab… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I'm working on a 1998 8.3 Cummins that apparently has
Hey I'm working on a 1998 8.3 Cummins that apparently has coolant in the engine oil, but no oil in coolant. I have milky sludge seeping out of the oil fill cap on top of the valve cover. Looking down … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,197 satisfied customers
Have a question on an international dt466. 1999 3800 school
1999 3800 school bus engine. dont have serial handy … read more
Curtis B.
Curtis B.
Technician
Associate Degree
991 satisfied customers
06 int 4300 Dt 466 Vin 6h317183 It seem to be smoking far to
06 int 4300 Dt 466 Vin 6h317183 It seem to be smoking far to much. From blowby pipe on bottom and oil dipstick pipe How much is to much? What does it mean?… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,197 satisfied customers
Paccar engine MX10 engine used a gallon of coolant every
Paccar engine MX10 engine used a gallon of coolant every week and we replaced egr cooler and pressure test don't seem to know where coolant is going… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,922 satisfied customers
I have a 6nz, should there be anything coming out of blow by
I have a 6nz, should there be anything coming out of blow by tube? Is a little white smoke/steam ok? It does not come out like a volcano and spread white smoke all over the ground, but there is a bit … read more
Curtis B.
Curtis B.
Technician
Associate Degree
991 satisfied customers
Detroit 60 smoke out of stacks loosing a gallon of coolant
Detroit 60 white smoke out of stacks loosing a gallon of coolant every several hundred miles … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,197 satisfied customers
Need help with a mid 80's DT466 7.6L international. : It's
Need help with a mid 80's DT466 7.6L international. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,197 satisfied customers
Just changed all six injectors on a cummins ism 370 hp. On
Just changed all six injectors on a cummins ism 370 hp. On start up it fires great and idles real good for 10 to 15 minutes. Afterwards the engine starts tumbling and pushing out tons of white smoke t… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,197 satisfied customers
I have a 2005 detroit 14 lts S60, the problem is a lot of
I have a 2005 detroit 14 lts S60 , the problem is a lot of white smoke when I start it until the air pressure reaches 50-60 psi. These parts have been replaced: injectors, check valve at the back of t… read more
Roy
Roy
shop foreman
Associate Degree
4,483 satisfied customers
I have a 2008 M2 Freightliner with a Cummings 6.7 engine
I have a 2008 M2 Freightliner with a Cummings 6.7 engine throwing a code of ECU 128 with the engine protect light on. We have replaced the egr cooler, water pump, Thermostat, and Temp sending unit. … read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,922 satisfied customers
2006 International 4300. DT466. Excessive antifreeze
2006 International 4300. DT466. Excessive antifreeze consumption. Not leaking on ground. Pressure tested and held pressure. No mixing of coolant in oil. Removed EGR cooler and inspected for contaminat… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
hi workin on a 3406 1LW. it was pushing coolant out the over
hi workin on a 3406 1LW. it was pushing coolant out the over flow, pulled it apart head was cracked badly @ #4, checked liners all looked good didn't see any cracks and the head gasket looked good. ap… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Have an 2006 4400 IH With DT466 Puffs a little white smoke
Have an 2006 4400 IH With DT466 Puffs a little white smoke at start up and looses 1/2 gallon of coolant daily. Engine runs great and has good power. Where should I look for this problem? EGR cooler or… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 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
4,530 satisfied customers
Hi. My boss has a Hino truck which is pressurizing the cooling
Hi. My boss has a Hino truck which is pressurizing the cooling system (bubbles observed). A CO2 test at the radiator was negative, and the compressor head gasket was replaced. Could the turbo or EGR c… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
I have a 2008 International 4300 with Maxxforce. It is consuming
I have a 2008 International 4300 with Maxxforce. It is consuming coolant. No external leaks for sure. I pressurize the coolant system to 15 psi. She seems to hold. It may drop very slightly but not su… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
i was wondering if someone could tell me the best way to test
i was wondering if someone could tell me the best way to test for a bad head gasket on a VT-365 international engine?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 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

7,197 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,530 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

2,892 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,243 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

cumminsdr

cumminsdr

Mechanic

1,351 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

991 satisfied customers

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

dieseldan55

dieseldan55

Contractor

74 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