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
Can you tell me what size of motor this detroit diesel is #
can you tell me what size of motor this detroit diesel is # 473910S0530255 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,582 satisfied customers
I have a dd15 with a lot of smoke coming out. I change all
hello i have a dd15 with a lot of white smoke coming out. I change all of the injectors and injectors cups and the seals and still have that smoking problem what that could be? … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I have a 1968 Ford 2000 diesel tractor. It smokes, A LOT, it
I have a 1968 Ford 2000 diesel tractor. It smokes, A LOT, it seems like unburned fuel. The tractor has good compression, starts even in cold weather, (no glow plug).It seems like it's just running too… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
I HAVE A PROBLEM WITH THROTTLE VALV IN DD15 FREIGHTLINER
HI, I HAVE A PROBLEM WITH THROTTLE VALV IN DD15 FREIGHTLINER CASCADIA 2014, THE HARNES WIRE NO WORKING, NO POWER, THE MCM Y CCP NO INDICATE FAUL CODE, THE ENGINE PRODUCES VERY SMOKE WHIT AT THE TIME O… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,582 satisfied customers
It's for a DD15 Detroit engine It's passing oils threw the
It's for a DD15 Detroit engine It's passing oils threw the diesel what could be the issue … read more
Roy Belding
Roy Belding
7,534 satisfied customers
I have a dd15 Detroit with a large amount of oil coming from
Hi I have a dd15 Detroit with a large amount of oil coming from the crank ventilation filter I've done as suggested and replaced it but it's still leaking the same amount of oil there is no white smok… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,582 satisfied customers
I have dd15 cascadia. had cruise set at 68 truck started to
i have dd15 cascadia. had cruise set at 68 truck started to surge up and down took it off cruise under 65mph was fine over truck did same thing … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
2012 dd15 engine dies only when truck is moving, sets codes
2012 dd15 engine dies only when truck is moving, sets codes for injectors. If you stay in neutral it will run all day long … read more
Roy Belding
Roy Belding
7,534 satisfied customers
I have a 2012 freightliner Coronado with a dd15. It's
Hi I have a 2012 freightliner Coronado with a dd15. It's surging on idle and has a dead spot on acceleration below 1000rpm. Have checked for air in fuel lines and replaced the quantity valve on rear o… read more
Roy Belding
Roy Belding
7,534 satisfied customers
Have a 2012 Freightliner with a dd15. Have an eng 1 1231 spn
Have a 2012 Freightliner with a dd15. Have an eng 1 1231 spn fail 9 and fault 1 code. Filled with def about 20 min ago but def gauge is blinking red like it's empty … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
Have a 2012 Freightliner Cascadia with a Detroit dd15 after
Have a 2012 Freightliner Cascadia with a Detroit dd15 after truck heats up oil pressure drops when coming down to a idle when slowing down stop engine check engine lights come on red oil pressure ligh… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
Having a problem w/ a 2001 Freightliner w/ a Detroit series
Having a problem w/ a 2001 Freightliner w/ a Detroit series 60. The truck will skip intermittently and blow white smoke. The truck has had an in frame done that includes new head, injectors, turbo, fu… read more
Roy Belding
Roy Belding
7,534 satisfied customers
I am having problems with my engine blow by having grey
Hello, I am having problems with my engine blow by having grey smoke coming out and some ashy smell. The engine was just service and already burn a gallon of oil at 3000 miles and use 1 gallon of cool… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
cat 257b had fuel tank wire brushed cleaned out and some other
cat 257b had fuel tank wire brushed cleaned out and some other things redone a few months ago when vehicle started losing power. smoking sputtering especially when under a load. go it back ran fine fo… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,306 satisfied customers
First time starting my truck in the morning it blows clouds
First time starting my truck in the morning it blows clouds of white smoke. After it warms to almost the halfway mark smoke turns to blue. If I turn the truck off and reset the ecu by switching from t… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
2012 Freightliner Coronado with a DD15Vin # XXXXX 472903s0102062Re
2012 Freightliner Coronado with a DD15 Vin # XXXXX ESN 472903s0102062 Replaced DPF filters went in to change Ash Volume reset and was able to enter in vin # XXXXX the filters correctly but when presse… read more
Travis A. Wells
Travis A. Wells
Truck Mechanic
Associates of Applied Science
15 satisfied customers
we have a 99 freightliner with a detroit 60 in it we have had
we have a 99 freightliner with a detroit 60 in it we have had a new remanned 6 pack of injectors from detroit put in , new fuel pump,head gasket replaced and it still smokes at idle and acts like its … read more
Clayton
Clayton
Technician
Vocational, Technical or Trade Scho
627 satisfied customers
We have a cummins n14 in a Freightliner. The original problem
We have a cummins n14 in a Freightliner. The original problem was it was missing and popping through the exhaust. We have ran the over head and set the valves. In the cummins computer there are no cod… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 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

11,582 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 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