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
3406c cat truck engine, just rebuilt all injectors tested
3406c cat truck engine, just rebuilt all injectors tested 5were good one new one. Injection pump tested ok. Replaced fuel ratio on injection pump and replaced lift pump. this 3406c serial number3zj616… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,206 satisfied customers
JD 5203 keeps blowing fuel solenoid fuse, I have unpluuged
JD 5203 keeps blowing fuel solenoid fuse, I have unpluuged the cold start sensor and all the other sensors on the tractor fuse blows every time key is turned on … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
3406 peec engine serial 4ck23976 removed tiimiing cover and
3406 peec engine serial 4ck23976 removed tiimiing cover and injection pump timed engine and pinned pump now won't start good fuel supply … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,206 satisfied customers
Replaced cylinder head cant get started i think pump timing
replaced cylinder head cant get started i think pump timing is out … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
Got a EM7-300 Mack 11GBA24622 P3 ....... was running fine
got a EM7-300 Mack 11GBA24622 P3 ....... was running fine then shut off like it ran out of fuel, cracked injectors no fuel coming out, replaced lift pump still nothing.. pressurized fuel tank getting … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Bobcat 853 skidster izuzu engine machanical fuel pump
Bobcat 853 skidster izuzu engine machanical fuel pump electric shut off. Starts runs at idle , no blowby , good fuel flow , no throttle response at all… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
Just acquired jd350AD crawler with crankcase over flowing
Just acquired jd350AD crawler with crankcase over flowing with diesel out dipstick. Eng turned over, so not seized. Owner said running when last used 1.5 yrs ago. Roto diesel injector pump has throttl… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
I have a 3116 Cat in a 963b Cat Loader. We just overhauled
I have a 3116 Cat in a 963b Cat Loader. We just overhauled the engine and it won't start. Got fuel to the injector pump and the solenoid is clicking. We are getting Black smoke when we crank it and it… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,303 satisfied customers
They call me the DMAN I have 1999 Mitsubishi FuSo box truck
They call me the DMAN I have 1999 Mitsubishi FuSo box truck diesel, when I turn the key to start the truck it revs up violently I had to turn the truck off because I was afraid I was going to blow the… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Working on a 1993 Ford 600 School bus with a 5.9 Cummings
Working on a 1993 Ford B 600 School bus with a 5.9 Cummings diesel that died driving down the road. I took the fuel filter between the lift pump and the injection pump off and turned it over and it ap… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Have a 1994 volvo--wia64t--ser#rn676284---engine turns over
have a 1994 volvo--wia64t--ser#rn676284---engine turns over but won't start--started a week earlier with no problems--went to start and will not go--i have checked the fuse for ECM-B8 in fuse panel--f… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I have a NH LX885 and I pulled it into shop initially to clean
I have a NH LX885 and I pulled it into shop initially to clean the radiator because it was getting hot always started good ran fine into the shop. While the radiator was getting checked out I serviced… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
i just rebuilt a cat 3406 c engine. Put it in the truck and
i just rebuilt a cat 3406 c engine. Put it in the truck and filled with oil and coolant. Did valve adjustments ect but I do not have a tool to pressure fill the motor with oil so how do I prime the oi… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,206 satisfied customers
I have 311 cat excavator runs smooth at idle rough on 6 or
I have 311 cat excavator runs smooth at idle rough on 6 or 7 but main thing is it stalls when a put a load on it… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,303 satisfied customers
Working on a 3406B (manual pump) Caterpillar. Very hard to
Working on a 3406B (manual pump) Caterpillar. Very hard to start, sometimes wont start without ether. Once started it runs fine with the exception that it will kill at idle sometimes and wont restart … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,206 satisfied customers
98 5.9 cummins cranks but wont start. changed fuel filter,
98 5.9 cummins cranks but wont start. changed fuel filter, new lift pump. should I crack open all injecter lines to get rid of any air in lines??… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2003 4400 with a dt466 it runs perfect until it gets
I have a 2003 4400 with a dt466 it runs perfect until it gets warm then it spits and sputters then wont run. Has new high pressure pump , new injectors , new eot sensor new injector harness new crank … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,206 satisfied customers
1996 Chevy Suburban 6.5L turbo diesel. Starts and runs but
1996 Chevy Suburban 6.5L turbo diesel. Starts and runs but shuts off after a few minutes. We have replaced the Injection pump, Lift pump, Crank sensor, Map sensor, and PMD. What the heck is wrong??… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 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

10,206 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