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 4mg36013 cat. Overhaul done almost 4 months ago.
I have a 4mg36013 b cat. Overhaul done almost 4 months ago. Been running great but this morning I noticed oil pressure starting to run lower than normal and at the same time only 1 stage of Jake's wer… read more
Keiphun Sowell
Keiphun Sowell
AutoDiesel Technology
1,075 satisfied customers
MY QUESTION IS FOR in heavy duty trucks i have a 2011
MY QUESTION IS FOR ANDY in heavy duty trucks i have a 2011 international here at the shop engine serial152hm2y9001400 maxforce 15 and we put a injector in it and it ran good customer said then started… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I have a 3406 Cat engine that idle good but when I try to
I have a 3406 B Cat engine that idle good but when I try to raise RPM it tries to smoke and miss.… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
I have an 07 pete 379 with a mxs engine I was having issues
I have an 07 pete 379 with a mxs engine I was having issues with number 2 injector kept getting a questionable result on cylinder cut out test Brought it to the local shop and they changed it and it s… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,214 satisfied customers
I am trying to find out how to turn down the idle speed.
I am trying to find out how to turn down the idle speed. Around 800, would like 650, … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,214 satisfied customers
2006 western star 4900fa cruise control and engine brake quit
2006 western star 4900fa cruise control and engine brake quit after truck warms up. both work fine prior to warm up. looking for schematics and or theory of operation. vehicle has new clutch switch, s… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Ihave an n14 cummins in my peterbilt making a loud hammering
ihave an n14 cummins in my peterbilt making a loud hammering noise trying to figure out possible issues … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a truck with a 3406 Cat which is running rough. you
Hello, I have a truck with a 3406 Cat which is running rough. you can see oil and fuel it seems leaking out the turbo and exhaust piping. It runs like it has lost an injector. There are no codes on th… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Morning. I have a Cat 3406B that i did an inframe on. Engine
Morning. I have a Cat 3406B that i did an inframe on. Engine runs fine, pulls good, doesnt use any fluids. The problem I am having is when using the jake. Jakes were not rebuilt at the time of inframe… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,214 satisfied customers
got western star with cat 3406 engine in it got issue
hello got western star with cat 3406 engine in it got issue with it the guages for oil pressure ,coolant tem,rpm e.t.c are not working the cat screen that show data also doesnt work and dash shows a l… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,214 satisfied customers
Cat C7 engine just started blowing copious amounts of oil
Cat C7 engine just started blowing copious amounts of oil out of the blowby tube. The engine was rebuilt 300+ hours ago and has had no problems. The engine also does not appear to be running poorly as… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,214 satisfied customers
I need to pin time my fuel pump 3406 cat id 5kj02083 we removed
I need to pin time my fuel pump 3406 b cat id 5kj02083 we removed the injection pump without timimg it. An now we need to put it back in time i guess u would say the hard way i seen another guys post … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,214 satisfied customers
I have a Peterbilt with a c15 acert bxs serial prefix. It started
I have a Peterbilt with a c15 acert bxs serial prefix. It started cutting out the other day and we are trying to figure out why. I have cat et and there are no codes or events. Coolant temp is correct… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Have a problem with an n14 celect plus 525hp. Has a popping in the ex
Have a problem with an n14 celect plus 525hp. Has a popping in the exhaust that is intermittent at idle, but it does not seem to run rough when cold. Once warm the popping sounding is still there and … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
we have a 1997 357 Peterbilt 30 Ton Manitex BoomTruck with
we have a 1997 357 Peterbilt 30 Ton Manitex BoomTruck with a 3406 Cat 470 HP engine, we have a problem with the truck, that when we engage the PTO and goes on the back by the controls to operate the b… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,214 satisfied customers
2001 volvo 12.7 60 series detroit engine (No Codes) Filled
2001 volvo 12.7 60 series detroit engine (No Codes) Filled up with fuel before will left and then drove 219 miles yesterday no problem on the way back about 50 miles from my drop off black smoke start… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
Recently completely rebuilt a 60 series. ALL new everything...turbo,
Recently completely rebuilt a 60 series. ALL new everything...turbo, fuel lines, infectors, head, injector harness, hoses, belts, pistons, liners, rockers, gaskets etc. Everything is new but the block… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 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
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

10,214 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