Medium and Heavy Trucks

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The ac stop working and blow hot air.What do you think is
Good morning, the ac stop working and blow hot air.What do you think is wrong? … read more
Joe Green
Joe Green
65 satisfied customers
I have a 2014 kenworth t680 with a Cummins isx. 2 times now
I have a 2014 kenworth t680 with a Cummins isx. 2 times now at an idle it's blown all the freon out like it over pressurizes or something. I put a gauge on the low pressure side and it was all the way… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
14,368 satisfied customers
I need Help with a 2010 international Prostar the A/C Does
I need Help with a 2010 international Prostar the A/C Does not cool down, a/c compressor seems to be working, I replaced the ac condenser, expansion valve and ac evaporator, but still not working anyo… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
I have a 2004 vnm 20t200 replaced expansion valve evap core
I have a 2004 vnm 20t200 replaced expansion valve evap core charged 3 pounds freon compressor won't kick on … read more
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I have a 2012 Volvo VNL 640 sleeper AC has a leak and can't
I have a 2012 Volvo VNL 640 sleeper AC has a leak and can't find it the compressor ,condense, air dryer, expansion valve have been replace. It has been in two Volvo shop and I'm having the same proble… read more
Expert
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I have a 2014 frieghtliner. Just recharged the AC, installed
I have a 2014 frieghtliner. Just recharged the AC, installed a new dryer and still only hot air … read more
Wayne
Wayne
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I did an ac service on my 2009 Volvo Vnl semitruck. Changed
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Mike Mcmillan
Mike Mcmillan
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Kenworth T660 ac work ok on idle when on road high rpm it
Kenworth T660 ac work ok on idle when on road high rpm it will not work . So I out truck kn high rpm and found low side line freezing near evaporator and expansion valve the thick line coming from ac … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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Flushed system again, replaced dryer receiver and expansion
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Daniel Wilson
Daniel Wilson
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14,368 satisfied customers
I have a Freightliner Columbia. Vacuumed changed air dryer
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Expert
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Sorry, I hit the wrong button earlier and closed out my
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Andy
Andy
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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
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I have a 359 Peterbilt replace AC compressor drier expansion
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Im working n a AC on a 2001 Freightliner with Cat engine
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I have an 2008 international pro star with ac problems... Everything
I have an 2008 international pro star with ac problems... Everything has been replaced at least once by my dealer. AC works in the shop, get out the door, it blows cool/warm air... Then I get a horn s… read more
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truck /coach technician
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222mk, I have the code 1 fault 7then just below 613_14p Compressor
I have the code 1 fault 7 then just below 613_14p Compressor in op wont stay in gauged. New comp. dryer, flush freon, oil, What sensor controls the compressor clutch? Is it all 3 it has two thermostat… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Freightliner columbia: I am working on a freightliner columbis,the
I am working on a freightliner columbis,the cold line from the sleeper A/C to the compressor is freezing up and I am not getting freon circulating through the cab evaporator. I have individually flush… read more
diesel-tech
diesel-tech
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I have a 96 kenworth t 800 with a n14 select plus in it and
i have a 96 kenworth t 800 with a n14 select plus in it and the air conditioning with a full charge with pull 25 inchs of vacuum and not get cold. what could possibly be the problem the compressor?… read more
diesel-tech
diesel-tech
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136 satisfied customers
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Daniel Wilson

Daniel Wilson

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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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