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 newly rebuilt 6v92TA in a boat and I am getting
I have a newly rebuilt 6v92TA in a boat and I am getting small amounts of oil out of the dipstick about 30mls in an hour trip? … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a 2009 detroit 14l. suddenly low oil pressure. like
Hello, I have a 2009 detroit 14l. suddenly low oil pressure. like 10-15 lbs at idle. just under 25 at 14-1500 rpm. buzzers go off. if I back off throttle and breing motor down to 10 to 1100 rpm light … read more
Roy
Roy
shop foreman
Associate Degree
5,416 satisfied customers
O8 pete, cummins isx 15, oil pressure issues. 756422 last
Hello JA: Hi. How can I help? Customer: O8 pete, cummins isx 15, oil pressure issues. JA: What is the complete model and serial number of your machine? Customer: 756422 last six of vin JA: Are you fix… read more
Mike
Mike
Triage Tech/Shop Foreman
Associates
214 satisfied customers
My truck was losing coolant and i was changing the gasket on
my truck was losing coolant and i was changing the gasket on oil pan and i realized that the coolant is coming to the oil pan. … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,552 satisfied customers
I've got an ISX engine number 79498159 that has a major oil
Hey I've got an ISX engine number 79498159 that has a major oil leak at the passenger side front. It takes about 5 minutes of idling and then oil will start streaming out from between the head and fro… read more
Mike
Mike
Triage Tech/Shop Foreman
Associates
214 satisfied customers
My truck Volvo show me warning message high temperate oil
Hello ! My truck Volvo show me warning message high temperate oil 247 volvo vnl 2014 Oil pressure low around 30 and lower. … read more
Mike
Mike
Triage Tech/Shop Foreman
Associates
214 satisfied customers
I'm having an oil leak and i don't know where it's coming
I'm having an oil leak and i don't know where it's coming from … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,114 satisfied customers
I need injector trim files for a 2007 cat c7 motor, 07 ford
I need injector trim files for a 2007 cat c7 motor … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,114 satisfied customers
I have a N14 that had a motor put in it. Ran great at first
I have a N14 that had a motor put in it. Ran great at first and now is using a lot of oil. Like 2 gal a day. No puddles, leaks or black smoke. Customer says the fuel in the fuel tank is black. How wou… read more
John Oliver
John Oliver
none
3 satisfied customers
Have a 9 speed transmission in 2012 587 Peterbilt has a
Have a 9 speed transmission in 2012 587 Peterbilt has a Cummings motor in it we want to change it to 13 speed what will be the out come of that move?… read more
Jim
Jim
Diesel tech.
212 satisfied customers
I have a Sterling with a MBE 4000 that is losing oil
I have a Sterling with a MBE 4000 that is losing oil pressure soon after start up. Just had oil and filter changed to make sure oil was in good shape. With the new oil it runs about 20psi idle. after … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,693 satisfied customers
2000 N14 cummins loosing coolant runs great, no overheat, no
2000 N14 cummins loosing coolant runs great, no overheat, no mixing of any fluids, will loose coolant fast 1 gallon in a few hours. can see steam coming from blow by and oil fill tube.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,118 satisfied customers
I have a Cat C-15 engine. I recently had my oil cooler
I have a Cat C-15 engine. I recently had my oil cooler changed do to the oil being pushed into the radiator. 2 days later I notice a lot of steam coming from the engine blow tube under the truck. I al… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,114 satisfied customers
Andy please: 1999 international 4900 shuttle bus 7.3l engine
Andy please: 1999 international 4900 shuttle bus 7.3l engine / is 29171 hours a lot of hours for a bus like this? 336,151 miles.… read more
Toby
Toby
Vocational, Technical or Trade Scho
107 satisfied customers
I have a 200kva genset powered by a detroit 8v71n with about
I have a 200kva genset powered by a detroit 8v71n with about 700 hrs. Recently serviced (oil and all filters changed) and noticed large amounts of oil coming from exhaust flange gasket and out the exh… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,735 satisfied customers
Komatsu diesel oil pressure warning at idle - new behavior
Hello, I've got a Komatsu D20P-5 dozer that I've had about 6-7 years. I think it's a mid-80's model but wouldn't bet my life on it... Put all new engine fluids and filters in it when I got it, and hav… read more
Expert
Expert
My Internatiomal DT466E motor starts and runs cleen......after
My Internatiomal DT466E motor starts and runs cleen......after one hour it blows large amounts of oil out the vent tube ? ? ?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,114 satisfied customers
I have a truck with a 3406e engine in it. It has some blowby
I have a truck with a 3406e engine in it. It has some blowby and uses about a gallon of oil every two to three thousand miles, we run local on dirt roads and the work it does is hard pulling so I dont… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,114 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

4,118 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,114 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,693 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,735 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

1,552 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,270 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

262 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