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 3406 E model cat, running down road it push's a
I have a 3406 E model cat , running down road it push's a little oil out of dip stick , I put my over blow by while parked and it starts … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
55 satisfied customers
Caterpillar ECM harness adapter. I have a 1999 kenworth with
Caterpillar ECM harness adapter. I have a 1999 kenworth with a 70 pin ECM on a 3406E 2WS caterpillar engine. I'm putting in a 1997 6TS 3406E caterpillar engine but it has a 40 pin ECM. Is there a harn… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
55 satisfied customers
I have a w900l with a 3406e 2ws and recently purchased a
Hello I have a w900l with a 3406e 2ws and recently purchased a switchblade turbo have been running it for about 3weeks and it just gave out on me while driving made a odd noise the lost boost complete… read more
RichardH416
RichardH416
Resident Tech
Associates
67 satisfied customers
N14 celect plus 80k on overhaul, engine oil pressure started
N14 celect plus 80k on overhaul, engine oil pressure started moving up and down 38-45-30-35-42-30, took truck to Cummins had oil pump replaced, the issue has improved, however with the new pump and ma… read more
Joe Green
Joe Green
70 satisfied customers
1994 KW Cat 3406E. 80K on inframe. When I did the inframe I
1994 KW Cat 3406E. 80K on inframe. When I did the inframe I replaced cam, head, injectors, and the piston packs and bearings. I also replaced turbo and air compressor at time of inframe. At 10K after … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
578 satisfied customers
Semi truck. Semi truck. Is there a diesel mechanic. Need
Semi truck JA: What is the make/model/year of your car? Customer: semi truck JA: Are you fixing your vehicle yourself? What have you tried so far? Customer: is there a diesel mechanic JA: How old is t… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
I have a 2006 t800 with a cat c15 motor. I had a complete in
I have a 2006 t800 with a cat c15 motor. I had a complete in frame done at 1,225,000 miles. It now has 1,485,000 miles. It has been using 1 gallon of oil every 5000 miles right after oil change and th… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
578 satisfied customers
Blowing oil out dipstick, have replaced air compressor,
blowing oil out dipstick, have replaced air compressor, turbo, and done in-frame. still blowing oil … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Just in framed my mxs c15 last week its been about 600 miles
just in framed my mxs c15 last week its been about 600 miles and every time i pull a big hill loaded at 105k i lose about a gallon of oil out the blow by tube, which it did that before the inframe and… read more
Eddy
Eddy
HD Truck Tech
GED
2 satisfied customers
I have a 3406e cat with about 60,000 on an inframe, new
I have a 3406e cat with about 60,000 on an inframe, new cylinder head, and new turbo. Yesterday it spun a rod and main bearing. So I am looking for a block and crank. I need to know which prefix block… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Cummins 400 ISl Oil Spray Just picked motorhome up from
Cummins 400 ISl Oil Spray Just picked motorhome up from repair shop after: air dryer filter replaced, turbocharger replaced, new oil, oil filter, air filter and front cover resealed. Drove 25 miles an… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
Having oil blow by on a 3406e cat engine, serial # is
I am fixing it myself I have not tried anything at this point it has no loss of power does not smoke … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Cat Man, I have a LEE05284 that has what appears to be
Cat Man, I have a LEE05284 that has what appears to be sooty/carbon material in the intake piping on the turbo side. I'm not very familiar with all the components in the intake system. I also have som… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
i have a 2ws 3406e 515 cat engine with a pdi stage 1 up grade
i have a 2ws 3406e 515 cat engine with a pdi stage 1 up grade putting about 620 hp to wheels my turbo heats up quick i have to really let out of it and gear down in the hills and just ease on the thro… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Hi Cat Man, Iam working on 3406E Cat serial number 5EK78587.
Hi Cat Man, I'am working on 3406E Cat serial number 5EK78587. The engine runs really nice and it is able to get up to full RPM, the problem is the engine is making little to no boost ( 0.7 to 1 lbs) a… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a 2005 Cat c15 in a 2005 Kenworth T800. I has been running
I have a 2005 Cat c15 in a 2005 Kenworth T800. I has been running perfect with great fuel mileage. I had a PM done a few weeks ago and we alo had to replace the water hose located behind the Fuel cool… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Have a 2007 western star/C-15 accert 550hp.Did a inframe in
Have a 2007 western star/C-15 accert 550hp.Did a inframe in july 2013,did not replace head.In december started blowing antifreeze out the rad cap,had a lot of preaure behind it.Back to shop,new head a… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 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
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

10,344 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