Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Ask an Expert,
Get an Answer ASAP!

Related Medium and Heavy Trucks Questions
I have a 1999 CAT 525 skidder that we just bought today and
I have a 1999 CAT 525 skidder that we just bought today and it ran fine on the dealer lot but as soon as we ran it up the road about 200 yards the #7 transmission oil filter alert indicator light came… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,287 satisfied customers
Have a M-11 that loses prime and stalls after starting
have a M-11 that loses prime and stalls after starting (after manual prime), sometimes does not even start … read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
11 satisfied customers
Dr. Cummins, have a ISX 79299929 that we did a inframe on.
Dr. Cummins, have a ISX 79299929 that we did a inframe on. The engine was abused really bad as in when it came in it was pushing oil out the breather, had 9 psi oil pressure at hot idle and the air fi… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
We have a isx15 in a 2015 peterbilt that the fuel pump came
we have a isx15 in a 2015 peterbilt that the fuel pump came apart and we have metal in the oil. The truck has 445,000 miles. Is there any help from cummins? … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
2012 international prostar with maxxforce 13 motor. Miles
2012 international prostar with maxxforce 13 motor. Miles about 550k. Truck burning coolant alot so assuming egr cooler but it has alot of blow by and some drips of coolant from blow by as well. Do I … read more
Andy3221
Andy3221
truck /coach technician
Vocational, Technical or Trade Scho
222 satisfied customers
I have ISX15 Cummins 2011, I replaced the fuel pump 2 days
Hello, I have ISX15 Cummins 2011, I replaced the fuel pump 2 days ago and change the oil , filters , after that everything was ok, I start the truck and try to run after couple miles felt some shake a… read more
roy
roy
Associate Degree
3 satisfied customers
This question is for an Isuzu NPR expert. 2 months ago this
This question is for an Isuzu NPR expert. 2 months ago this truck was having issue with the 2 gear not shifting to 3 gear, I dropped the pan and found allot of metal dust and debris, the costumer deci… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
I've had my front gear cover leaking on my QSX 15 and had it
I've had my front gear cover leaking on my QSX 15 and had it recently replaced. I got about two or three miles from the case ih dealership where I had the service work done and my engine locked up....… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
Allison 2400 hard downshift 2nd to 1st. I have a 2000 gmc
Allison 2400 hard downshift 2nd to 1st. Hey there, I have a 2000 gmc t6500. The engine is 3126 Cat and the transmission is Allison 2400 (5spd auto). The problem is a hard or delayed downshift 2nd to 1… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
I have a N14 2001 electronic, i have no oil pressure, i
hi, i have a N14 2001 electronic, i have no oil pressure, i replaced the oil pump, the bearings are good, non building any pressure at all? any open check valve in system? … read more
roy
roy
Associate Degree
3 satisfied customers
My name is bob, i just finished changing a turbo on a
hi, my name is ***** ***** just finished changing a turbo on a cummins pac car px8 . had a new actuator installed by a service tec using cummins program it ran great for the first ten ***** *****, the… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
I did an oil change about 35k miles ago and found metal
I did an oil change about 35k miles ago and found metal shavings.fine iron like shavings,what looked like a piece of a gear tooth and a metal piece about an inch long and the thickness of a sheet meta… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
Turbo blew, oil not cleaned out of air cooler, truck over ran. speed sensor out of line,
Turbo blew, oil not cleaned out of air cooler, truck over ran. speed sensor out of line, I realigned cams and crank, code is gone. still wont ever try to start. I check fuel pressure 135 at cranking. … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
I have the low oil pressure warning at idle on my paccar daf
I have the low oil pressure warning at idle on my paccar daf cf85,i have changed the oil, filter, removed the oil cooler filter, the engine runs fine, but after it has warmed up, this warning comes on… read more
Eurotruck72
Eurotruck72
workshop foreman
70 satisfied customers
I HAVE AN EPA07 MBE 4000 ENGINE OIL PRESSURE IS AT 35 PSI AND
I HAVE AN EPA07 MBE 4000 ENGINE OIL PRESSURE IS AT 35 PSI AND DOES NOT INCREASE WHEN ENGINE IS REVVED UP, OIL PUMP AND REGULATOR HAVE BEEN REPLACED, THERE IS NO METAL IN THE OIL, CANNOT LOCATE A SECON… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
Hi Wayne my name is***** have a m11 cummins with low oil
Hi Wayne my name is***** have a m11 cummins with low oil pressure. Changed cam,rod,mains,high pressure relief valve,pressure regulator ,and oil pump and still the same results. Engine shuts down after… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
Hello I have a 2007 freightliner Columbia with a MBE 9000 series
Hello I have a 2007 freightliner Columbia with a MBE 9000 series engine. This unit is showing like 13 to 14lbs of oil pressure I had and oil sample taken and it came back OK. What could be the cause o… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
784 satisfied customers
Once again, This is an Insternational truck with maxxforce
Once again, This is an Insternational truck with maxxforce 13 engine and i need some info on how to remove and repair the obvious oil cooler failure. is a 2010 model… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 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

2,803 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