Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
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
Air not building up past 70 and the air compressor is making
Air not building up past 70 and the air compressor is making a popping sound … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
398 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
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
Can you put thr wrong air gov on a c15 cat engine. Air
Can you put thr wrong air gov on a c15 cat engine. Air pressure only building up tp 30 psi … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
Front brake air system loses 20lbs air in 2 minutes but only
Front brake air system loses 20lbs air in 2 minutes but only while running no lose of air when shut off … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 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
398 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
398 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
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
I'm having with air pressure on a 379 Pete with vin #
I'm having with air pressure on a 379 Pete with vin # ***************** it's only building 90 psi on primary side no air leaks and I have tried a new compressor, still 90 psi no secondary at all no ai… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
398 satisfied customers
2011 mach cxu613 does not build air pressure only 50 psi.
2011 mach cxu613 does not build air pressure only 50 psi . New governor same issue don't hear leaks from compressor discharge line or any major leaks… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
My '07 Kenworth W900 will not build air pressure. I had a similar
My '07 Kenworth W900 will not build air pressure. I had a similar problem last fall and replaced the air dryer with a reman air dryer (Bendix AD-IS) and new governor. That fixed the problem. A few wee… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 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
I have a problem with a Kenworth T600, Its a 1997 tractor trailer
I have a problem with a Kenworth T600, Its a 1997 tractor trailer truck. The compressor does not go into unloaded stage long enough to cool and the air dryer unloads about every 30 seconds. The compre… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I am working on a 1991 Pete with a L10. I just updated the
I am working on a 1991 Pete with a L10. I just updated the dryer with a AD-9 dryer. The dryer i took off i could not identify. It looked close and had 3 lines hooked up to it like the AD-9. The proble… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
i have a 1998 Freightliner unable to build over 50 pounds air
i have a 1998 Freightliner unable to build over 50 pounds air pressure for operation. unable to find any leaks. when engine shut down, the systems does not bleed off pressure. we pulled line off compr… read more
DirectInjection
DirectInjection
Field Service
Diplom
56 satisfied customers
LTL 9000Ford: i HAVE FORD QUAD AXLE DUMP TRUCK. AIR DRYER BRACKET
i HAVE FORD QUAD AXLE DUMP TRUCK. AIR DRYER BRACKET BROKE. DRYER WAS HANGING FROM AIR HOSES. I WELDED BRACKET & INSTALLED DRYER. AFTER THAT PRESSURE WOULD BUILD UP TO 120 P S I AND DRYER WOULD RELIEVE… read more
Jim
Jim
Diesel tech.
212 satisfied customers
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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.

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