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 volvo d13 semi truck, they change the air dryer and
Hello i have volvo d13 semi truck , they change the air dryer and truck is releasing air every 30 sec park or while driving its so annoying , they told me from the shop could be the fan clutch hub??? … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
41 satisfied customers
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
562 satisfied customers
I have a 2014 CXU613 that builds air pressure and looses it
Mike I have a 2014 CXU613 that builds air pressure and looses it for no apparent reason. Changed filter and Purge Valve. No leaks anywhere from lines. It looses air while just idling with no one in th… read more
Joe Green
Joe Green
65 satisfied customers
The air dryer not purging, but the air compressor is dumping
The air dryer not purging, but the air compressor is dumping air just had governor replaced … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
562 satisfied customers
2017 Volvo Semi Truck vin# ***************** I need the
2017 Volvo Semi Truck vin# ***** I need the location of the governor and the air dryer for the air compressor. Diagrams and or pictures will be really appreciated as I can't find them and not sure wha… read more
Bradey V
Bradey V
Certificate
2010 Freightliner Cascadia vin# 1FUJGLDR2QS9P0529 The purge
2010 Freightliner Cascadia vin# ***** The purge valve keeps popping out so it wont build up air pressure. We're being told the air dryer was changed last week but they didn't change the purge valve. T… read more
james Roberts
james Roberts
Maintenance assistant
Vocational, Technical or Trade School
3 satisfied customers
Volvo 2014, D13 It says Air Dryer Malfunction on dashboard I
Volvo 2014, D13 It says Air Dryer Malfunction on dashboard I have replaced Air dryer assembly, there's still old check valve on it It's purging every 30 seconds Not losing air… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
562 satisfied customers
Air builds to 80 psi then stops until i rev her up.
Air builds to 80 psi then stops until i rev her up … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
562 satisfied customers
I have the code p113000 on a Mack mp8. The code is exhaust
I have the code p113000 on a Mack mp8. The code is exhaust post-treatment fuel air bleed valve stuck closed. I'm trying to figure out where the valve is. Could you help with that? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
562 satisfied customers
My Mack truck is not building air past 40 lb. It's not a car
I have replaced the governor on the air compressor I've also rebuilt the purge valve on the air dryer and replace the small line going from the air dryer to the regulator on the air compressor … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
14,385 satisfied customers
I have a 93 Freightliner with a N14 Cummins motor and it
I have a 93 Freightliner with a N14 Cummins motor and it builds up too much air pressure. Governor opens to purge air dryer but doesn't seem to stop building pressure. Gets up to 200 or 230 PSI … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
562 satisfied customers
2005 mack granite e7 wont build air. I installed new
2005 mack granite e7 wont build air. I installed new compressor, new govner, new air dryer. Will not build air at idle. Air lines are not kinked. No regulators going into tanks. … read more
Bradey V
Bradey V
Certificate
Air compressor on my Mack pinnacle 2011 stop building air is
Air compressor on my Mack pinnacle 2011 stop building air is it something I can replace my self if so can you send instructions … read more
Bradey V
Bradey V
Certificate
Air continuously leaking from the air dryer purge valve when
Air continuously leaking from the air dryer purge valve when compressor has unloaded, when the brake pedal is pressed it seems to stop. The air dryer, compressor and governor have been replaced ......… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
562 satisfied customers
Freightliner Columbia 2010 with Detroit Series 60 Air drier
Freightliner Columbia 2010 with Detroit Series 60 Air drier assembly and air governor have both been replaced twice. Both primary and secondary air gauges going to 150 psi Air from air drier purges fo… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
562 satisfied customers
Requested you because you were so helpful with my volvo
Hey Steven, requested you because you were so helpful with my volvo problem with the EGP. Almost had to ask a really dumb question. I have just replaced the compressor on a 1979 Mack. I had never had … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
562 satisfied customers
Truck Vin H72526 cummins ism air compressor part number..
Truck Vin H72526 cummins ism air compressor part number.. problem started a couple days ago..truck would build way too much pressure 140+ psi. I changed the governor out and it built and stayed perfec… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
562 satisfied customers
Air compressor seems to be running almost constant but
Air compressor seems to be running almost constant but pressure is not hardly moving, staying around 110 to 120. Dryer pops off about every 60 seconds … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
562 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

14,385 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