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 own a it28g ser. 8cr01799. I'm having engine problem.
Hi my name is***** own a it28g ser. 8cr01799. I'm having engine problem. Started as studder problem at idle then got worst to stalling to barely even idleing to won't even start. Did the usual changed… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,284 satisfied customers
I have a catapillar (977L) it's 11K series. Having a problem
I have a catapillar (977L) it's 11K series. Having a problem with the idle speed, it idles at very high rpm. The throttle handle don't effect rpm at all, only turns machine off. Don't know if problem … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,284 satisfied customers
Have a D318 Cat power plant on my saw mill. Years of no
Have a D318 Cat power plant on my saw mill. Years of no repairs. This spring put fuel in tank and started sawing. About two hours in the engine quit. Checked tank, empty, checked dip stick, at least s… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,284 satisfied customers
My 3406B fuel pump was just worked on, and now when I start
My 3406B fuel pump was just worked on, and now when I start the engine it slowly gains RPMs until I have to turn it off. It idled for 15 minutes, had great throttle response but would decelerate very … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I think my 3208 has a few clogged injectors. Do you know if
I think my 3208 has a few clogged injectors. Do you know if Cat 3208 warming system comes on with low fuel pressure? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a 2003 C7500 Topkick, 8.1L vortec gas engine. When
I have a 2003 C7500 Topkick, 8.1L vortec gas engine. When driving, it will not go over ~2000 rpm. Last year I had a lot of issues stalling and power loss which turned out to be two bad fuel pumps in a… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
30,667 satisfied customers
Weve got a 3406b here, serial #3zj2222, the customer brought
weve got a 3406b here, serial #3zj2222, the customer brought it in for new injectors, so we put a set in from cat, the truck idles fine and runs fine at wot, but between about 1200 and 2000 rpm it mis… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Cat Man, I have a 3406 3ZJ54893 that pulls strong until
Cat Man, I have a 3406 3ZJ54893 that pulls strong until about 1600-1700 rpms then just slowly pulls to 2000 rpm. We changed the fuel filters but that didn't change anything. Where should I go next? Al… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Mister Cat... I bought a truck recently with a bad engine,
Hi mister Cat... I bought a truck recently with a bad engine, cat 3406C, the tops of the pistons were actually melted. I put new inline kit in it and primed it and started it. Seems to run fine except… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Curtis have a ch27 kohler Command engine that runs great, but
Curtis have a ch27 kohler Command engine that runs great, but when I put the PTO on and try to turn this 61" deck it drops rpms and doesn't recover. I can get a lot more than bottle b hand than I can … read more
Curtis B.
Curtis B.
Technician
Associate Degree
33,153 satisfied customers
I have 3126 cat with mechacinal governor. serial number
hello I have 3126 cat with mechacinal governor. serial number 1ZJ02618 with idling problems. the engine's RPM rises and falls while idling and cuts out when brought to neutral or remains on a high rev… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Joe I'm Ali I've been thinking of doing a motor swap in
Hi Joe I'm Ali I've been thinking of doing a motor swap in my pick up truck it's a chevy3500 single wheel but I'm not sure whether to go with a cat3208 turbo or a Detroit 6v53 which will I be able to … read more
Curtis B.
Curtis B.
Technician
Associate Degree
33,153 satisfied customers
hi, i recently purchased a 2000 peterbilt with a c-12 2ks serial number, from a long time
hi, i recently purchased a 2000 peterbilt with a c-12 2ks serial number, from a long time friend. the truck sat a lot, only has 117k on the odo, and the engine was rebuilt at 85k, due to a turbo losin… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
two years ago a small vibration started in my truck over the
two years ago a small vibration started in my truck over the next two years the vibration got very bad, then I blow the first clutch. in 6 months I have put 4 clutches in it and they only last for 400… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
I own a 1991 M923A2 Military Cargo Truck with 6CTA-8.3-Cummins
I own a 1991 M923A2 Military Cargo Truck with 6CTA-8.3-Cummins 250hp diesel engine. Cold start the engine burns blue smoke. Not a large amount of blue smoke, but enough to notice a steady stream at id… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
Working on a Caterpillar C15 Acert (BXS serial number). Having
Working on a Caterpillar C15 Acert (BXS serial number). Having problems with the engine revving down. I can rev it up and it will rev down very slowly, almost like it wants to hold the rpm's for a sec… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a 2001 isc cummins engine in a freightliner chassis
I have a 2001 isc cummins engine in a freightliner chassis that misses at 1600 rpm and when you apply alot of gas pedal, even in neutral… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
my truck just had an engine controler installed about a mounth
my truck just had an engine controler installed about a mounth a go. now when i slow down for a town my speed ometer drops to o but am moving down the road. As i incress my speed the rpms only will go… 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

33,153 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