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 a cummins isx cm871 im getting oil in coolant even
i have a cummins isx cm871 im getting oil in coolant even when engine is off it consume coolant also on the exhaust manifold i fount oil coming out of the exhaust manifold what can cause the problem … read more
SeanM
SeanM
Fleet Maintenance Manager
High School Diploma
10 satisfied customers
Would aspaltese cause black smoke out of stacks. 535 isx
would aspaltese cause black smoke out of stacks JA: What is the complete model and serial number of your machine? Customer: 535 isx cummins JA: Are you fixing this yourself? What have you tried so far… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Cat man I have a c13 in a International truck that before it
Cat man I have a c13 in a International truck that before it warms up will run ruff and miss and blow some white smoke I have a feeling it is the vva's it has no codes. when it warms up fully runs jus… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
How do I fix the code 351 on my own on my m11 Cummins. It is
How do I fix the code 351 on my own on my m11 Cummins … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Imediate high pressure in cooling system. 2012 peterbilt
yes and air compressor has been replaced and so has thermostat and oil cooler … read more
timdieseltech
timdieseltech
lead diesel tech, shop owner
Vocational, Technical or Trade School
205 satisfied customers
How can I fix the problem with a isx cummin 2005 that blow
How can I fix the problem with a isx cummin 2005 that blow water&oil out the exhaust and pressure up the radiator cap … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
4,290 satisfied customers
Have a n14 cummins just rebuilt put new turbo when moter get
have a n14 cummins just rebuilt put new turbo when moter get to 175 it starts to blow oil out blowby… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
We have a 1999 MR688 w/400. Sudden lack of power, missing
We have a 1999 MR688 w/400. Sudden lack of power, missing and blowing white smoke. Oil pressure seems normal. Was running fine until today. Any ideas?… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
Working on isx cummins blowing a lot of smoke replaced EGR
Working on isx cummins blowing a lot of white smoke replaced EGR cooler was leaking water and smoke continues 2009 ISX… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2013 Peterbilt with a 550 ISX. It has 3700 hrs on
I have a 2013 Peterbilt with a 550 ISX. It has 3700 hrs on it and the DPF filter was cleaned at 2700 hrs. A couple of weeks ago it threw a code 3251 (particulate trap 1 pressure). I had a mechanic for… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
2009 Cummins ISX 435 still using coolent even after replacing air charge cooler and the he
2009 Cummins ISX 435 still using coolent even after replacing air charge cooler and the head. Blows white (steam) smoke only every once in a while like pulling a grade and RPM falls to 1300. Makes a p… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Dan i have a 2003 m11 cummins that when i bought it a couple
Dan i have a 2003 m11 cummins that when i bought it a couple of weeks ago it had air bubbles in the fuel filter. When you started it it would run rough for just a few seconds and then smooth out. Now … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I have a 99 Freightliner century that smokes heavily when Im
I have a 99 Freightliner century that smokes heavily when I'm shifting. No smoke at idle or going down the road. If I hit the throttle Heavy while shifting, it won't smoke. Any clues?… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
Have 99 freightliner with cummins n 14 thought turbo was bad
Have 99 freightliner with cummins n 14 thought turbo was bad because it was leaking at rear of turbo and had small amount of oil in air cooler tube. Put on friends used turbo and still oil coming out.… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
The turbo on my 95 International with a Cummins M11 is beginning
The turbo on my 95 International with a Cummins M11 is beginning to weep a bit of oil around the hose going out to the intercooler. The turbo is a Cummins HX50 p/n(NNN) NNN-NNNNX. I found a new HX55 f… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
98 m11. idles fine, but at 1100 rpm starts to miss. smoothes
98 m11. idles fine, but at 1100 rpm starts to miss. smoothes out at around 1800 rpm. Knocks hard if you hit the pedal quick. No smoke out the exhaust. Replaced cam sensor (connections were coated with… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 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
i need the torque f0r the injectors and the settings Cummings
i need the torque f0r the injectors and the settings Cummings 1983 ntc350sc cpl637 because there is a lot of grey to black smoke and tried adjusting injectors to 6inpd at its determined timing and cha… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 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

4,737 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