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Related Medium and Heavy Trucks Questions
Have a 91 kw. Had to replace the air dryer. The air dryer
Have a 91 kw. Had to replace the air dryer. The air dryer will not purge and i am building in excess of 170 lbs of air pressure. … read more
Joe Green
Joe Green
65 satisfied customers
I have 2015 cascadia frightliner. The air dryer purges
I have 2015 cascadia frightliner. The air dryer purges constantly. I checked the 1/4 line from the air dryer to compressor. No leak found. What should I do next?… read more
TomcM28
TomcM28
Owner
Associates
13 satisfied customers
2015 cascadia automatic water drains were faulty and didn't
2015 cascadia automatic water drains were faulty and didn't realize til " low transmission air" popped up I drained 1.5+ gallons of water out of 4 tanks 2 front tanks had the most airpressure built ba… read more
Expert
Expert
10,503 satisfied customers
Name is Toqeer and question I have is.. 2017 Freightliner
Hey My name is ***** ***** question I have is.. 2017 Freightliner cascadia DD15 purge air every 20 seconds, Can you please help me to understand what that could be? Air Dryer, Governor or something el… read more
Brent Goodnoe
Brent Goodnoe
4 satisfied customers
I have a 2007M2 Business class freight liner, it has a MBE
I have a 2007M2 Business class freight liner, it has a MBE 900–250. I replaced the compressor and the filter dryer. Started the truck And it felt pressure but would not purge, like a dummy I revved it… read more
Joe Green
Joe Green
65 satisfied customers
I have a 2016 international Prostar with a Cummins I'm
I have a 2016 international Prostar with a Cummins I'm working on. Initial problem I had was the compressor was constantly building up the pressure to 140 or more psi abs the air dryer would purge. Wo… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
561 satisfied customers
I have a freightliner it builds air reach's max and it
I have a freightliner it builds air reach's max and it purges but want build pressure back until I pump backs and get back to around 40 psi … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
561 satisfied customers
My haldex pure air plus dryer is cycling every 20 seconds
my haldex pure air plus dryer is cycling every 20 seconds and won't allow pressure to build above 60 psi … read more
Bradey V
Bradey V
Certificate
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
I have an 1999 Peterbilt 379 with a Detroit Series 60 11 1L
Hello, I have an 1999 Peterbilt 379 with a Detroit Series 60 11 1L engine. This morning the air dryer started to purge constantly every 30 seconds. Once the pressure is built up the air dryer purges a… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
561 satisfied customers
Freightliner Columbia 2010 with Detroit Series 60 Air drier
Freightliner Columbia 2010 with Detroit Series 60 Air drier assembly and air governor have both been replaced twice. Both primary and secondary air gauges going to 150 psi Air from air drier purges fo… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
561 satisfied customers
I have a question ... 2009 Detroit series 60 air compressor
I have a question ... 2009 Detroit series 60 air compressor was passing a lot of oil I replaced the compressor and the governed but it is not doing the purge can help me please… read more
Expert
Expert
10,503 satisfied customers
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
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
561 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
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
561 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
6,062 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
829 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
5,115 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
2,756 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

6,062 satisfied customers

Owner at DJ Wilson

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I am ASE Master Truck Certified.

Wayne

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

Jeremy

Jeremy

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ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

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cumminsdr

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Chris (aka-Moose)

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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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