Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Ask an Expert,
Get an Answer ASAP!

Related Medium and Heavy Trucks Questions
Do you need to drain the hydraulic fluid to change filter on
do you need to drain the hydraulic fluid to change filter on a cat dozer d3glgp? … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
I have a 2012 Cummins ISX. I have to add coolant every
The Egr cooler is dry. The system pressure tests ok. No visible leaks… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
I have Volvo year 1999 enegine model #ve-d12b-385, we twice
Hi,I have Volvo year 1999 enegine model #ve-d12b-385 , we twice replaced thrmostat & seals ,now third time found why rubbers seals are geeting damage found diesel in coolant, what can cause Pls advise… read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
11 satisfied customers
I have a coolant leak in the line going to the def tank.
I have a coolant leak in the line going to the def tank … read more
Don
Don
fleet superintendent
Vocational, Technical or Trade Scho
1,615 satisfied customers
I have a 239d compact track loader and I need to drain the
I have a 239d compact track loader and I need to drain the hydraulic fluid out of the tank … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 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
32,980 satisfied customers
I have a cat th63e 5wm06771 with a noisy hydraulic pump.
I have a cat th63e 5wm06771 with a noisy hydraulic pump. replaced it with a reman from cat. also changed the hydr. oil . still noisy . pressure out hose smeems to have a vibration to it .where don I g… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
Im working on a volvo wheel loader i need to replace a -20
im working on a volvo wheel loader i need to replace a -20 hydraulic hose that looks like it goes to the resivior … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
My caterpillar 305 excavator shut down and the oil pressure
my caterpillar 305 excavator shut down and the oil pressure light and alarm went off. i checked the oil and its fine what could be the problem? … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,284 satisfied customers
Location of three head bolts with the screws on c15 cat engine JA:
location of three head bolts with the screws on c15 cat engine … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a 922b cat front end Loader that suddenly quit
I have a 922b cat front end Loader that suddenly quit operating or responding after it ran about 8 gallons low of hydraulic fluid. I filled the system back up but I still have no response what could b… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,284 satisfied customers
Hi Kevin, my name is***** a funk industrial powershift
Hi Kevin, my name is***** a funk industrial powershift transmission that is pushing oil out of the vent tube in a steady stream. Wanted to do a little research before I pull it out. It is sitting behi… read more
Curtis B.
Curtis B.
Technician
Associate Degree
32,980 satisfied customers
I have a 2009 freightliner columbia cl120 with a Detroit engine
I have a 2009 freightliner columbia cl120 with a Detroit engine DD15 and my question is I can't build enough air I'm getting air in my air bags both truck and trailer but I'm only going up to 100 psi … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
Ford F800: Have a 1995 Ford F800 5.9L turbo Cummins/Ford engine.
Have a 1995 Ford F800 5.9L turbo Cummins/Ford engine. Don't drive it but every couple of months. Just fired it up, drove around the block, after pulling back in driveway, engine flamed out. It did res… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
On a 2005 GMC 6500 the motor on the bottom of the brake master
On a 2005 GMC 6500 the motor on the bottom of the brake master cylinder runs constantly with the engine on or off and the key switch on or off. How do I diagnose? What might be wrong?… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
Hi. I have a cat(NNN) NNN-NNNNsecondary breather kit. It contains
Hi. I have a cat(NNN) NNN-NNNNsecondary breather kit. It contains no instructions what so ever. I cannot figure out how it installs. Is there any installation information acailable?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
How to replace a turbo in a volvo VNL670 I need to have an
How to replace a turbo in a volvo VNL670 I need to have an answer before 12:00 east. If you are unable to respond I would like to cancel the request.thank you… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
3208 cat engine in ford 800 to little coolant hoses in middle
3208 cat engine in ford 800 to little coolant hoses in middle of engine what are they reffered to cant find replacment hoses about 6 inch long… 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

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

32,980 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