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 587 peterbilt 2015 and my driver told me that when
Hi I have a 587 peterbilt 2015 and my driver told me that when he drives on the highway the steering shakes. The tires are in good condition as well so does this mean it has something to do with the t… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
528 satisfied customers
Check suspension light on 13 medium duty f650 international
Check suspension light on 13 medium duty f650 international suspension … read more
TomcM28
TomcM28
Owner
Associates
6 satisfied customers
I have a 1994 Pererbilt 375 dump truck with air leaf
I have a 1994 Pererbilt 375 dump truck with air leaf suspension. … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
528 satisfied customers
My seatbelt chime won't stop even when seatbelt is buckled
My seatbelt chime won't stop even when seatbelt is buckled ... Thanks … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
528 satisfied customers
Hmmm the switch on the dash is electric, but when it works
Hmmm the switch on the dash is electric, but when it works hear air being released behind the dash somewhere… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
I have a new 2020 Fontaine Infinity 53 foot trailer with
Hi, I have a new 2020 Fontaine Infinity 53 foot trailer with sliding rear axle and the dump valve which releases the axle is a 3 way ball valve. It started a week ago to leak air through the exhaust p… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
528 satisfied customers
Trying to find the air suspension dump valve. The switch
I don't hear any air sounds when I flip the switch like I do when I flip the fifth wheel switch. Also the interaxle switch lights up when I flip the dump air switch.… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
528 satisfied customers
I have a 2015 Peterbilt ISX15 when it rains I get a fault
I have a 2015 Peterbilt ISX15 when it rains I get a fault code 641 for turbo actuator and abs and DA right wheel speed sensor code 792 but it would run fine but the other day I was in alot of slush an… read more
Keiphun Sowell
Keiphun Sowell
Owner Brothers Restoration/Troubleshoot
AutoDiesel Technology
1,761 satisfied customers
The winshield washer fluid reservoir completely i should
hey replacing the winshield washer fluid reservoir completely i should just disconnect batter and replace whole assembly … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
Working on a 2006 MACK 14 YARD DUMP NO AIR BRAKES SYSTEM
working on a 2006 MACK 14 YARD DUMP NO AIR BRAKES SYSTEM STOP WORKING YESTERDAY WHEN TRYING TO DUMP A LOAD NO PRESSURE ON THE AIR GAUGE TRUCK UNABLE TO MOVE UNABLE TO DUMP NO AIR PRESSURE ENGINE RUNNI… read more
Bradey V
Bradey V
Certificate
I have a freightliner m2-112 vin bw1522 that the air
I have a freightliner m2-112 vin bw1522 that the air suspension won't dump. I put a new switch in the dash, but no luck. The truck has 2 leveling valve at the rear. The dash switch is electric. What a… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,747 satisfied customers
I have a Cat C7 in a Peterbilt that throws this 164-2
I have a Cat C7 in a Peterbilt that throws this 164-2 Actuation pressure sensor erratic code only when the customer is driving his truck after 7-10 minutes. Its a boom truck, so when he comes to a sto… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,293 satisfied customers
2015 peterbilt 389. do not load the secondary tank I need to
2015 peterbilt 389. do not load the secondary tank I need to load it … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,806 satisfied customers
1998 Mack Truck Dump truck When engaging the PTO the valve
1998 Mack Truck Dump truck When engaging the PTO the valve wagner part number ac 67929 has a leak I am not sure if it is supposed to leak at a certain pressure or retain pressure bit it is leaking air… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
When i flip the dump switch on the dash of my 2007 t600 kw
when i flip the dump switch on the dash of my 2007 t600 kw the orange light on the switch is lit but is not dumping the air from air bags. ive taken the small air line off the leveling value and flipp… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,747 satisfied customers
I have a 2008 peterbilt with caterpillar c13 engine, motor
I have a 2008 peterbilt with caterpillar c13 engine, motor runs good, but it dumps 2-3 gallons of antifreeze from the overflow. i am guessing it builds up too much pressure or its getting air from som… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,293 satisfied customers
HI! I have a 1989 Model 377 Peterbilt, VIN#1XPCDR9X7KN270451
HI! I have a 1989 Model 377 Peterbilt, VIN#1XPCDR9X7KN270451 It has AMETEK Swith Panel No. 156171 PB P/N 17-03386 this has up/down Function, HRS/OAT/AS (UP), FUEL S (UP), TEMP (down), CLOCK/ET (DOWN) … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
13,392 satisfied customers
I have a Peterbilt 330 that is set up for septic tank cleaning.
I have a Peterbilt 330 that is set up for septic tank cleaning. It has a challenger 367 pump that operates off a PTO. The problem is when I went to use the pump, turn on PTO switch and release clutch … read more
dieseldoctorkev
dieseldoctorkev
power system tech 1
76 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

13,392 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,293 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,563 satisfied customers

worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

Certified Truck/Bus Technician

2,747 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

1,824 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,806 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

Chris (aka-Moose)

Chris (aka-Moose)

Technician

462 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