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I have a brake system question on my 2007 Volvo truck. The
I have a brake system question on my 2007 Volvo truck. The air brake system builds to 135 psi fine. However, during operation of the brakes the pressure quickly goes down to 95-100 psi. It's at this p… read more
Steven
Steven
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Associates
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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
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Steven
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Looking for a diagram for air system on a 2005 Frieghtliner
looking for a diagram for air system on a 2005 Frieghtliner colimbia … read more
Don
Don
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Air dryer started purging every minute and a half or so. No loss in pressure. Swapped the air dryer and new governor. Started doing that I'm very cold weather. Still doing the same thing after new par… read more
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Don
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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
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I have a 2005 freight liner truck with a shifting problem
I have a 2005 freight liner truck with a shifting problem between the ranges what might cause this? when i try multiple times then it shifts to the range it seems to have air shift with a electrical s… read more
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Vocational, Technical or Trade Scho
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1999 international 4900 DT466e I cannot seem to get my air
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spankyjr1
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I have a sullair diesel. That is not building pressure beyond
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Curtis B.
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I have a Smith 100 tow behind air compressor that i cant get
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Daniel Wilson
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My air system was frozen due to someone bypassing my air dryer
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Jeremy
Jeremy
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I have a 2009 freightliner columbia cl120 with a Detroit engine
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Jeremy
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Just recently replaced my air compressor on my truck. Truck
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air is slow to air up. not sure how to check the unloading
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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
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Hello my air compressor has been getting a little oily lately.
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08 ford f 650 6.7 cummins flat bed tow truck , developed low air pressure for a moment while driving , pulled over reved to 12oo and pressure built back,. Sat overnight and would not build pressure . … read more
JANECZFJ
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Meet the Experts:

Daniel Wilson

Daniel Wilson

2,803 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,530 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

2,892 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,243 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

cumminsdr

cumminsdr

Mechanic

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All types of Cummins applications

Curtis B.

Curtis B.

Technician

991 satisfied customers

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

dieseldan55

dieseldan55

Contractor

74 satisfied customers

Road Service mechanic for Volvo Construction.

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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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