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
Cat C15. Has new fuel filters. New fuel pump, new hand pump,
Cat C15. Has new fuel filters. New fuel pump, new hand pump, and new regulator. Fuel lines from tanks have been plugged and pressure tested to 100 psi with no pressure loss. Line from water separator … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Pc 27a-8 won't start due to hyd. pressure from pump. turning
pc 27a-8 won't start due to hyd. pressure from pump . turning the motor over with the starter results in 3000 psi … read more
Curtis B.
Curtis B.
Technician
33,160 satisfied customers
NEED SPEED CONTROL MECHANISM FOR OLDER. MT25G NO SERIAL#
NEED SPEED CONTROL MECHANISM FOR OLDER JA: What is the complete model and serial number of your machine? Customer: MT25G NO SERIAL# ***** BOUGHT AT AUCTION JA: Are you fixing this yourself? What have … read more
Curtis B.
Curtis B.
Technician
33,160 satisfied customers
I have a Cat 330 BL excavator and I am having a low power
I have a Cat 330 BL excavator and I am having a low power speed problem. When you first start the machine up it runs and operates as it should then after about ten minutes of running the power and spe… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,284 satisfied customers
I have a ch series scissor lift a buzzer is going off and
I have a ch series scissor lift a buzzer is going off and nothing works. The batteries were very low on voltage,so I recharged it fully and still nothing but a buzzer … read more
Curtis B.
Curtis B.
Technician
33,160 satisfied customers
My friend has a ch20nep lift and it will only go up and
my friend has a ch20nep lift and it will only go up and down,what could be the problem? … read more
Curtis B.
Curtis B.
Technician
33,160 satisfied customers
No hyd functions from ground or bucket. Model # VN501-03 S/N
model # VN501-03 S/N NO3003 Truck 2003 C7500 1GBM731C73F516672 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,175 satisfied customers
We are working on a truck brought to us from another shop
we are working on a truck brought to us from another shop its a mbe4000 in a sterling truck has low fuel pressure to doser valve ..… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
3176 CAT BLEEDS DOWN AFTER PRIMING THE SYSTEM, I GOT A GAUGE
3176 CAT BLEEDS DOWN AFTER PRIMING THE SYSTEM, I GOT A GAUGE ON THE TEST PORT WHILE RUNNING THE GAUGE SHOWS 60 PSI AND AT HIGH IDLE IT FLUCTUATES BETWEEN 100 AND 75. ANY IDEAS MAYBE BAD PUMP?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Have a D61PX15, new reman hyd pump. Bounces on lifting and
Have a D61PX15, new reman hyd pump. Bounces on lifting and when pushing down. angle, tilt, and steering are fine. Pump was replaced due to low pressure and a major tick attributed to a sticking spool … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,175 satisfied customers
Working on a 1995 international with a 7.3L diesel with a no
Working on a 1995 international with a 7.3L diesel with a no start condition. I'm working a flowchart for this condition but I need an expert to help sort this out. Fuel tanks full. Lift pump will fil… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,175 satisfied customers
Working on isc got engine light on I can only go 35 MPH got
Working on isc got amber engine light on I can only go 35 MPH got code 128 157 1 pid rail pressure problem were to start lift pump or high pressure pump already swap the fuel filters… read more
Jackie Dempsey
Jackie Dempsey
Heavy Line Technician
Automotive and Diesel Engines
104 satisfied customers
Have 03 Ih with isx it quit in middle of road won't start.
Have 03 Ih with isx it quit in middle of road won't start. Code pid 94 fmi 4 fuel delivery pressure. Shutoff solenoid has good voltage. Fuel pressure at test port is 15-20 psi. Have already replaced t… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
DOUG, MY NAME IS***** A 2000 BOBCAT 763. ENGINE IS
HI DOUG, MY NAME IS***** A 2000 BOBCAT 763. ENGINE IS BOGGING UNDER HYDRALIC USE. ITS DRIVE SYSTEM DOESENT SEEM TO DO IT. BUT IM NEW AT BOBCATS AND NOT SURE IF DRIVE PUMPS DEMAND AS MUCH LOAD AS HYDRA… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,175 satisfied customers
Hello Name is ***** ***** a 2008 M2 Freightliner with codes
Hello Name is***** have a 2008 M2 Freightliner with codes Sensor been replaces 2xs. Need help Vin AG6364 with Cummins engine help I explain when answer… read more
Geoff
Geoff
BS
8 satisfied customers
I am working on a 3126 and getting a fault code for high pressure
I am working on a 3126 and getting a fault code for high pressure oil readings being erratic. Using Prolink IQ monitored pressure on a test drive and pressures were running around 800 to a 1000 psi lo… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
HI IT,S PHIL FROM N.H. ONE MORE THING WHEN YOU MENTIONED THAT
HI IT,S PHIL FROM N.H. ONE MORE THING WHEN YOU MENTIONED THAT I SHOULD MAINTAIN a psi of 65 to 85 i,m clear on that but then you mentioned vwhen i connect my gauge to the outlet side of fuel pump and … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
thank you i can imagine that is probably the case ... now
thank you i can imagine that is probably the case ... now if the presure regulator is good .. should the fuel presure flucuate between 65 and 85 or be at a steady presure?also as far as you can tell f… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 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

3,175 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

33,160 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