Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Connect one-on-one with {0} who will answer your question

Related Medium and Heavy Trucks Questions
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
4,737 satisfied customers
No power to compressor on 2005 Freightliner Colombia. All
Hi No power to compressor on 2005 Freightliner Colombia. All fuses good. Will not cycle if straight wired. … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
2001 freightliner century classic s/t no power to ac clutch
2001 freightliner century classic s/t no power to ac clutch or high switch but power to low side at dryer … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
2010 FREIGHTLINER M2 6.7 CUMMINS A/C COMPRESSOR NOT COMING
2010 FREIGHTLINER M2 6.7 CUMMINS A/C COMPRESSOR NOT COMING ON … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 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 own a 2003 freightliner columbia I have replaced the
I own a 2003 freightliner columbia I have replaced the headlight switch and I'm still have a problem. If I turn the headlights on they may or may not come on, if I put in the down position the marker … read more
Don
Don
fleet superintendent
Vocational, Technical or Trade Scho
1,636 satisfied customers
I have a 2005 fieghtliner Columbia. Every year before
I have a 2005 fieghtliner Columbia. Every year before harvest I put in 134a in a/c system but this year can.t get clutch to come on. Jumped clutch works fine measured in 2.5 lbs of 134a still won't co… read more
Roy Belding
Roy Belding
7,530 satisfied customers
Jeremy I have a quick question. I have a 2007 Freightliner
Hey Jeremy I have a quick question. I have a 2007 Freightliner Columbia, the a/c work but only blows out hot air. I replaced the compressor, the high and low pressure sensor but I still couldn't find … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
4,361 satisfied customers
Ac compressor won't come on, 2004 Freightliner Columbia,
The blower motor won't come on unless I pull the fuse and put it back in… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
Im having trouble finding the low pressure swich on a 2009
im having trouble finding the low pressure swich on a 2009 freightliner century class st … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
2007 freightliner columbia ac quit working. Ac clutch won't
2007 freightliner columbia ac quit working. Ac clutch won't engage unless I jump it … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
2006 freightliner m2 106 cat c9 motor a/c clutch will not
2006 freightliner m2 106 cat c9 motor a/c clutch will not kick in,i have changed the air dryer,binary and high pressure switches,control panel,blower motor,evaporator probe,recharged system no power t… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I have a 2012 M2 112 business class truck having a/c
Hello I have a 2012 M2 112 business class truck having a/c problems , no power to compressor. do you have the wiring diagrams for this truck… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I got a 04 Freightliner columbia that the A/C will not kick
I got a 04 Freightliner columbia that the A/C will not kick on, checked the fuses and they are good. Bothe the switches seem to work, one has +V12 and the other - Ground, what else could it be?… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
2000 peterbilt 379 n14. I went in the truckstop ac was blowing
2000 peterbilt 379 n14. I went in the truckstop ac was blowing cold but my engine temp was high like my truck was running hot when I got back. I cut my engine fan on to cool the engine down but now I … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
4,361 satisfied customers
i have a 2008 freightliner columbia cl-120 with cat c-13, and
i have a 2008 freightliner columbia cl-120 with cat c-13, and having trouble with a/c system. has power to switches @ cab, all lights are operational, have checked fuses, relays and all seem fine. loo… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
2004 freightliner Columbia. A/C compressor locked up. replaced
2004 freightliner Columbia. A/C compressor locked up. replaced compressor. and now no power to a/c clutch. 20 amp fuse was blown. replaced. other fuses are good and have power to them. any suggestions… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Hey guys, I have a 2001 freightliner century with a 12.7L Detroit
Hey guys, I have a 2001 freightliner century with a 12.7L Detroit engine. Two days ago my a/c stopped working but I'm really stumped. All of the sudden it went from blowing cold air to blowing HOT air… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,023 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

4,361 satisfied customers

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

cumminsdr

cumminsdr

Mechanic

1,700 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,571 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 satisfied customers

24 years of experience diagnosing & repairing

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x