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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
Steven
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Associates
11 satisfied customers
I have a 2010 freightliner cascadia with the dd15. Vin
I have a 2010 freightliner cascadia with the dd15. Vin AM4426. Having an issue with the air dryer going off all the time. Truck will build to 130 and the dryer will go off as it should, but within 30-… read more
FIX-IT
FIX-IT
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Vocational, Technical or Trade Scho
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I have a Cascadia 2008 with Detroit series 60 14l execessive
I have a Cascadia 2008 with Detroit series 60 14l execessive oil burn 2gallons every 100 miles too much smog smell like burn oil and also by smog caming from crankcase has(###) ###-####miles … read more
timdieseltech
timdieseltech
diesel tech
Vocational, Technical or Trade School
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Will not build air pressure above 60 lbs. New compressor and
Will not build air pressure above 60 lbs. New compressor and govenor … read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
2,892 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
Steven
Steven
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Associates
11 satisfied customers
HAVE A 86' MC686FC MACK TRUCK. AIR BRAKE PRESSURE BUILDS
HAVE A 86' MC686FC MACK TRUCK. AIR BRAKE PRESSURE BUILDS ERRATICLY. BEFORE AIR PRESSURE STARTS TO BUILD AIR WILL SPUTTER 3 TIMES OUT OF SAFETY VALVE ON AIR DRYER,THEN AIR WILL BUILD.I HAVE REPLACED GO… read more
Don
Don
Journeyman
Vocational, Technical or Trade Scho
1,748 satisfied customers
I have 2007 freight liner. The oil pressure gauge shot up to
i have 2007 freight liner. The oil pressure gauge shot up to max and then got stuck in the center, When the engine is running, the gauge goes up as usual but to max.It had done this before and then fu… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
Will not build air psi properly, filter and gov have been
Will not build air psi properly , filter and gov have been replaced aswell as the purge valve … read more
Roy
Roy
shop foreman
Associate Degree
4,528 satisfied customers
My freight liner Cascadia 2011 lost air pressure, only
my freight liner Cascadia 2011 lost air pressure, only builds up to 60 psi's, what could be the issue? … read more
Roy
Roy
shop foreman
Associate Degree
4,528 satisfied customers
I'm idling and my air pressure drops I have a new dryer no
I'm idling and my air pressure drops I have a new dryer no air leaks compressor almost new new governor … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
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2010 Mack CHU with MP8. A/C runs at 60-70lbs even with low
2010 Mack CHU with MP8. A/C runs at 60-70lbs even with low freon. The A/C head pressure will go up to 150lbs, but as soon as the truck purges air from the air dryer, I lose all head pressure. It makes… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
Working on a 2007 Freightliner Columbia with Series 60 Detroit.
Working on a 2007 Freightliner Columbia with Series 60 Detroit. Builds air very slow and wont purge from new drier. Will build to about sixty psi at idle then when reved to around 800 RPM will build t… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 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
2,892 satisfied customers
Looking expert 2000 kenworth detroit series 60 it was not
looking for a expert for a 2000 kenworth detroit series 60 it was not pumping air over 50 psi.i found main airline had a hole in it,i changed line now its pumping to much air it pumps up 150 psi i cha… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
I have a 1990 Country Coach motorhome on a Gillig chassis.
I have a 1990 Country Coach motorhome on a Gillig chassis. On my last trip a few weeks ago, I kept hearing purging of air below the driver's side. There are two needles on the dash instrument panel-a … read more
Roy
Roy
shop foreman
Associate Degree
4,528 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
2,243 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
I have a 2007 Cummins ISM, and the air compressor will not
I have a 2007 Cummins ISM, and the air compressor will not unload. I have tried three new governors, and replaced the head (which houses the unloader valve). I checked the discharge line, and all actu… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 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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