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
My oil pressure is dropping once in a while. No codes I
No codes I changed the oil 12,000 miles ago 10-30 delo semi synthetic … read more
Nich1019
Nich1019
Cummins/Caterpillar Technician
Vocational, Technical or Trade School
2,207 satisfied customers
We have in our shop a 1997 Freight-liner with a Cat 3406E
Hello, we have in our shop a 1997 Freight-liner with a Cat 3406E with low power and not boosting properly. Engine SN# ***** The engine will make 0-1lbs of boost full throttle on a hill. No smoke, no b… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
When I'm driving foot down on the petal truck completely
When I'm driving foot down on the petal truck completely quits When I raise foot up then back down it goes again then after a while quits … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
I have a 3406c peec wanting to go with machanical pump
i have a 3406c peec wanting to go with machanical pump having surging issues with original pump also going full throttle at times … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
How do you replace a fuel pressure regulator on a 2000
How do you replace a fuel pressure regulator on a 2000 Kenworth T300 with a Cat 3126? It is in the rear of the cylinder head and not much room to get to it. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
I have a 2009 Kenworth w900l and I'm currently having
I have a 2009 Kenworth w900l and I'm currently having problems with both the wipers and washer fluid pump. Replaced both wiper motor and switch. Also checked fuses and relays.… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
I have a 5EK 3406e that I cannot seem to get to run
Hello there, I have a 5EK 3406e that I cannot seem to get to run strongly, even after full out of frame overhaul … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
I have a 1997 W900L with a 3r06e in it. Ill be driving along
I have a 1997 W900L with a 3r06e in it. Ill be driving along and it starts bucking. Generally it does it pulling a hill or breaking crest of hill. I replaced wiring harness from even out to motor. I'v… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
2019 Kenworth W900l Cummins engine. runs fine but loosing
2019 Kenworth W900l Cummins engine . runs fine but loosing power on a hill. had a check engline light on. they ran diagnostic, sensors were fine, they reset the codes. check engine light has not come … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a crank but no start on a 3406e. Cant seem to get a
i have a crank but no start on a 3406e. Cant seem to get a voltage reading at the injectors with the key in the "on" position. i have checked for air in the fuel line but i believe the problem is that… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
Truck cranks but won't turn over I'm getting a fuel rail
Truck cranks but won't turn over I'm getting a fuel rail fault code … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Is there a pressure relief vave on the fuel system of a
is there a pressure relief vave on the fuel system of a 3406e … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
2008 Beaver Contessa with Cat C9 engine will not accept
2008 Beaver Contessa with Cat C9 engine will not accept throtle advance smokes heavy black smoke and dies,idles ok. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
I have a 1998 kenworth w900l with a cat 3406e motor. I am having
I have a 1998 kenworth w900l with a cat 3406e motor. I am having problems with my A/C clutch turning on and giving me cold air. The clutch is brand new, the system is fully charged and ther are no lea… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a 2006 c-15 cat engine. It wont start. It cranks but
I have a 2006 c-15 cat engine. It wont start. It cranks but wont fire. Its a t800 Kenworth dump truck. What could be the problem?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
cummins isx475 turns over but wont start. truck is a 2005
cummins isx475 turns over but wont start. truck is a 2005 kenworth w900l it also was parked for 2 weeks before this happened and it ran perfect before. when key is in on position it does not turn on t… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
How does unhook in discharge line on air compressor let u know
How does unhook in discharge line on air compressor let u know is compressor is pumping air in cooling system on a c15 compressor still pumps just don't charge system… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
I have a 1995 Peterbilt with a 3406E Cat in it. fuel pressure
I have a 1995 Peterbilt with a 3406E Cat in it. fuel pressure is running 70-75 psi at idle and 95-100 psi under load going down the highway. pressure will randomly drop to 45-50 psi when shifting thro… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 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

6,062 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,353 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

5,115 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,756 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

Curtis B.

Curtis B.

Technician

1,947 satisfied customers

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

cumminsdr

cumminsdr

Mechanic

1,886 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 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