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
Volvo vnl 780 2016. New air dryer and air governor. Purging
Volvo vnl(###) ###-#### New air dryer and air governor. Purging evry 60s. No air leading. The same issues was on the previous parts. Air dryer has leaks on the purge valve. So what's could be wrong. A… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
Air pressure goes over 145. Air dryer will not purge. Just
Air pressure goes over 145. Air dryer will not purge. Just put a new air dryer I got from Volvo but did not solve the problem. Any suggestions. 2015 Volvo … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
Question about 2016 Volvo VNL670 D13 Last 8 VIN: GN953606 I
Hello Mike, Question about 2016 Volvo VNL670 D13 Last 8 VIN: GN953606 I probably have a problem with the air governor . My air Pressure go almost up to 140psi then it releases by Purge Valve (after re… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
I need Help with a 2010 international Prostar the A/C Does
I need Help with a 2010 international Prostar the A/C Does not cool down, a/c compressor seems to be working, I replaced the ac condenser, expansion valve and ac evaporator, but still not working anyo… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
Just replace the air dryer but still getting over 150 PSI in
Just replace the air dryer but still getting over 150 PSI in air system … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,947 satisfied customers
I have a 2000 Volvo VNL 64t. The a/c in the sleeper works
Hi. I have a 2000 Volvo VNL 64t. The a/c in the sleeper works sometimes and then it will stop and then work again a different day after the truck has been parked for a little while. Have you noticed a… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
2011 kenworth vin 221536. Ac low side line freezes on high
2011 kenworth vin 221536 .Ac low side line freezes on high rpm works normal at idle.Installed new condenser, evaporator, expansion valve and drier . Still doing samething… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Volvo vnl. 2000 volvo vnl D12. No power to ac compressor.
fues ok, but the indicator on the fire wall , the lights off… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
I did an ac service on my 2009 Volvo Vnl semitruck. Changed
Hi, I did an ac service on my 2009 Volvo Vnl semitruck. Changed the ac condenser, ac compressor, ac dryer, and thermal expansion valve. We vacuumed the system for about an hour after everything was ho… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
I'm hearing a loud noise but it stops wen the it purges air
I'm hearing a loud noise but it stops wen the it purges air also its purging every 15 seconds changed the air compressor still the same … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
How can one check if the blender door is the problem to the
How can one check if the blender door is the problem to the faulty AC in the sleeper?Cascadia DD15… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
I have a 2012 Volvo VNL 780 w/D13 500. My A/C is freezing up
I have a 2012 Volvo VNL 780 w/D13 500. My A/C is freezing up sometimes and not its blowing cold air for about 10min then starts blowing hot air … read more
Eurotruck72
Eurotruck72
Garage owner
122 satisfied customers
2005 pete 387 ac blowing hot had a tech at TA truck stop
2005 pete 387 ac blowing hot had a tech at TA truck stop check it pumped the system down held a -30 for 30 min. charged it with 4 lb 134a tech said that was all it takes but it still blows hot air he … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 2001 freightliner century 2001 I am having ac
I have a 2001 freightliner century 2001 I am having ac problems....the compressor keep locking up....it is a new compressor the old one was doing the exact same thing.....it has a new condenser, 2 new… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Buddy my name is ***** ***** have big truck shop i working on
hi buddy my name is ***** ***** have big truck shop i working on a frightliner came with a/c compressor locking up i replaced with new compressor expenions value dryer flushed system pulled vac and st… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
I have a VOLVO 1999 with a cummins engine N-14, I always
Hello I have a VOLVO 1999 with a cummins engine N-14, I always had problems with the AC not working and cooling properly... I replace the AC Dryer, Ac Compressor, Expansion Valve, I tested for leaks a… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Volvo 670: air pressure will not build up....was in sleeper
air pressure will not build up....was in sleeper when pressure dropped and buzzer came on 670 volvo d13… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
Freightliner columbia: I am working on a freightliner columbis,the
I am working on a freightliner columbis,the cold line from the sleeper A/C to the compressor is freezing up and I am not getting freon circulating through the cab evaporator. I have individually flush… read more
diesel-tech
diesel-tech
Owner of landrys truck repair llc
136 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

6,062 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,353 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

5,115 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,756 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

Curtis B.

Curtis B.

Technician

1,947 satisfied customers

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

cumminsdr

cumminsdr

Mechanic

1,886 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 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