Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
1996 freightliner fld112 engine fan is always on. 1996
1996 frieghtliner fld11264st, last 6 of vin825466. Have air pressure to disengage clutch so I know its an electrical problem. … read more
Ramon Capellan
Ramon Capellan
owner / operator
Auto Mechanics
13 satisfied customers
I have a 2009 freightliner m2. With the cummins isb. 6.7.
I have a 2009 freightliner m2. With the cummins isb. 6.7. Vin is 1fvacwdt89hal9993 Having a probem with the ac. My complete hear box was replaced including the evap and expansion valve which came with… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
Just finished replacing entire a/c system on a 2000
Just finished replacing entire a/c system on a 2000 Freightliner Classic. A/C blows cold engine fan kicks on at 300 psi and off at 200 psi but compressor does not cycle and gets down to around 22 psi … read more
Ramon Capellan
Ramon Capellan
owner / operator
Auto Mechanics
13 satisfied customers
Off and on power to AC compressor. 2011 freightliner
Off and on power to AC compressor JA: The car Mechanic will know what to do about your ac compressor. Do you have any other details that could be helpful? Customer: 2011 freightliner cascadia dd13 JA:… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
2006 freightliner columbia my ac was working great untill it
2006 freightliner columbia my ac was working great untill it stop working my ac compressor stop working look like the clutch was brun up stuff was coming out of it and freon i replace it with a new on… read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,915 satisfied customers
2017 kenwoth Just relaced ac compressor because it was
2017 kenwothJust relaced ac compressor because it was seized.... but still not working... power coming to relay when i turn on the ac but no power coming to the compressor… read more
RichardH416
RichardH416
Resident Tech
Associates
67 satisfied customers
NotGetting power to AC compressor. O8 freightliner Columbia
NotGetting power to AC compressor JA: What's the make/model/year of your truck? Engine type? Customer: O8 freightliner Columbia 60 series Detroit JA: Are you fixing your truck yourself? What have you … read more
Bradey V
Bradey V
Certificate
Have a 1996 freightliner fld 120. With a detroit 60 series.
Have a 1996 freightliner fld 120. With a detroit 60 series. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I am working on a 1994 volvo wia A/C. I replaced the
I am working on a 1994 volvo wia A/C . I replaced the evaporator in the dash and exp. valve also the dryer . I have no power to compressor clutch but do have power to the thermostat and and blower swi… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
We have a 1999 frht classic with a 12.7 detroit in it. We
We have a 1999 frht classic with a 12.7 detroit in it. We have been having issue with blowing the high pressure discharge hose on the A/C compressor. Everytime it happens, we have to replace the Compr… read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,915 satisfied customers
Flushed system again, replaced dryer receiver and expansion
Flushed system again, replaced dryer receiver and expansion valve. No other restrictions. Now the low side goes up to about 70 and the high side will just keep going up. When turned off the low side c… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 2004 freightliner with Detroit engine. the ac
I have a 2004 freightliner with Detroit engine . the ac clutch wont engage . start the truck and push the ac switch inside and I get power on the b;ack wire at the dryer pressure switch jump the black… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a 2005 F550 with a 6.0L diesel, I had to install new
I have a 2005 F550 with a 6.0L diesel, I had to install new ac compressor, orfice tube, and dryer. The system calls for 2 lbs and 10 ounces. I installed the correct amount of freon in the system, used… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
38,326 satisfied customers
Gentlemen, I could really use an A/C expert here. I have a
Gentlemen, I could really use an A/C expert here. I have a KW T800b VIN 1XKDD4OX33R968950 09/2014 Cummins ISX ESN 60812484 This Truck has already been to two or three other shops before I got it. It h… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a 94 Peterbilt day cab. The ac vent wont drop below
I have a 94 Peterbilt day cab. The ac vent wont drop below 55 or 60 degrees. The compressor kicks on and off. When the compressor is running, the low side is around 25 psi and high side is around 225 … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
Ok, the low rear carrier unit is not blowing cold. It was
ok, the low rear carrier unit is not blowing cold. It was cycling between 25psi when compressor was on, to 48psi when compressor was off. The front AC was working great. We charged it up and let it ru… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
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
Owner of landrys truck repair llc
136 satisfied customers
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
Owner of landrys truck repair llc
136 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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