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Medium and Heavy Trucks

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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
Steven
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I have a 2005 kenworth that will not build up air pressure.
I have a 2005 kenworth that will not build up air pressure. The air pump is pumping air and air is going to the dryer… read more
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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
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Air dryer started purging every minute and a half or so. No
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
Don
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Primary air tank no air Freightliner Columbia. Freightliner
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Roy
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Daniel Wilson
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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
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Im working n a AC on a 2001 Freightliner with Cat engine
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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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My 04 freightliner isn't building secondary air. Its a 3 tank
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spankyjr1
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yes i have a07 m2 frieghtliner is slow to build air and will
yes i have a07 m2 frieghtliner is slow to build air and will onley get to 80 psi have put new compressor new air dryer cartridge new tank with check valve… read more
spankyjr1
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I have a 2009 T800 KW day cab with isx cummins Is it possable
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we have a 2007 pete having trouble with air ride suspension
we have a 2007 pete having trouble with air ride suspension when step on gas pedal load gauqe goes down 15 lbs when step on break load gauge goes up 15 lbs on the truck frees it self up and rolls easy… read more
Jeremy
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2009 M2 chassis on my Jayco toterhome. Air brakes worked fine
2009 M2 chassis on my Jayco toterhome. Air brakes worked fine moving the vehicle into another driveway. Next morning, no air pressure on either dial. Pulsing air venting sound from under the vehicle. … read more
Curtis B.
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I am working on a 1991 Pete with a L10. I just updated the
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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
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d9 dryer on a 2000 fl70 with a isc cummins.... constantly purges.
d9 dryer on a 2000 fl70 with a isc cummins.... constantly purges. new d2, purge valve rebuilt... i want to say a unloader/ head kit but i am unsure… read more
Jim
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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
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Don

Don

Technician

journeyman mechanic over 40 years experience

1748 Satisfied Customers

Pearl avatarPearl, Assistant

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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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