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
Where is the compressor for brakes located on a ISB .6.7
Where is the compressor for brakes located on a ISB .6.7 ...2008 model ? I'm wanting to replace the governor but can't find it … read more
james Roberts
james Roberts
Maintenance assistant
Vocational, Technical or Trade School
3 satisfied customers
2017 Volvo Semi Truck vin# ***************** It's not
2017 Volvo Semi Truck vin# ***** It's not building any air pressure. The air bags in the rear are full but the gauge says zero and the alarm is on so it's not building any pressure. Where should i sta… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
When I step on brake pedal take to release the trailer. 2015
When I step on brake pedal take long to release the trailer … read more
Keiphun Sowell
Keiphun Sowell
AutoDiesel Technology
1,086 satisfied customers
I have 2014 international maxxforce 13. The truck is not
I have 2014 international maxxforce 13. The truck is not building any pressure at all. I changed the governor on dryer and no luck. The truck is clutch driven compressor and there is air from the gove… read more
Scott Anthony
Scott Anthony
Master Technician
HS Diploma
2 satisfied customers
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
404 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
404 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
75 satisfied customers
I have an international prostar vin BN195258 I'm having air
Hello i have an international prostar vin BN195258 I'm having air issues on my truck. Just couple days ago i had 30lbs of air pressure and we called out a tech on the road. They ended up replacing the… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 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
404 satisfied customers
International Prostar with Maxxforce 13. Air pressure not
International Prostar with Maxxforce 13. Air pressure not building even to 1 lb. Getting pressure to dryer (popped off main inlet and getting enough pressure to hose that I can't hold finger over it. Have replaced entire dryer at this point so new filter and governor. … read more
Eddy
Eddy
HD Truck Tech
GED
2 satisfied customers
Have a 2012 Volvo. Once the air psi build up and the dryer
Have a 2012 Volvo. Once the air psi build up and the dryer spits off. It will continuously spit air off every 15 to 20 seconds. Why can cause this? I have already changed the dryer housing and filter.… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I have an 07 Peterbilt with a cat engine. My air gauges are
I have an 07 Peterbilt with a cat engine. My air gauges are not going up. The buzzer is going off. Both primary and secondary. What is the first step… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
This truck came in with a single air dryer having air
Hello this truck came in with a single air dryer having air charging problems with purge valve and oil . I ran the vin and saw that this truck comes with the dual air dryer, I began the install with t… read more
][\][iCk0411
][\][iCk0411
Fleet Warranty Manager
Vocational, Technical or Trade School
5 satisfied customers
Looking for location or air governor on 2009 sterling
looking for location or air governor on 2009 sterling acterra … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
1994 international 4900. we have been having severe problems
1994 international 4900. we have been having severe problems with the air freezing up on it and we want to bypass the air dryer. what are the ramifications of bypassing the unit? I would much rather s… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 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
2,740 satisfied customers
Volvo FM13 2006. Sometimes will not pump air up to 12 bar
Volvo FM13 2006. Sometimes will not pump air up to 12 bar goes to 9-10 bar and dryer-compressor fault comes up. Dryer and compressor both replaced. Cannot find sensors for air pressure help would be g… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 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

4,737 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,023 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,740 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

1,700 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,571 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 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