Medium and Heavy Trucks

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I have a 2004 Freightliner Columbia CAT C15 engine, and the
I have a 2004 Freightliner Columbia CAT C15 engine, and the A/C compressor clutch never stops, it's always running even if I turn off the A/C from the interior and the truck has good air conditioning… read more
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Mikael
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Where is the speed sensor located on a freightliner Columbia
where is the speed sensor located on a freightliner Columbia 2007 … read more
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Air suspension on left rear is sagging. Ride height valve
Air suspension on left rear is sagging. Ride height valve and check valve have been replaced. When we try to raise the sagging side up it cause the other air bag to over extend. Any suggestions? … read more
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Wayne
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Vocational, Technical or Trade Scho
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I am building a welding bed on 1 ton duramax dually and will
I am building a welding bed on 1 ton duramax dually and will probably weigh in close to my gvwr after loaded with equipment. Will this kill my suspension after a period of time? Would airbags or leaf … read more
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I have a 2007 freightliner Columbia, and replaced the spring
I have a 2007 freightliner Columbia, and replaced the spring bushing on right rear, after that,that side is not raising to proper height! Did I do something wrong? Bought bushing from freightliner,pre… read more
Jeremy
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We have a 2005 Freightliner Columbia, we have had to xy
We have a 2005 Freightliner Columbia, we have had to xy shifter replaced and the wiring harness, the truck was getting up into high gears and then the gear the truck was in would flash on the dash and… read more
spankyjr1
spankyjr1
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Vocational, Technical or Trade Scho
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I have a freightliner Columbia 2005 trying to fix drivers
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FIX-IT
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I have a hino 700 with air bag suspension on rear tandem
I have a hino 700 with air bag suspension on rear tandem drive the front axle will not drop into a hole to transfer weight to rear axle so I lose the drive as I have no cross lock for diffs is somethi… read more
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How can i tell if my abs module is bad. It's 05 freightliner
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I have a cat engine and he shake in 10 gear on 63 miles
Hi, I have a cat engine and he shake in 10 gear on 63 miles speed, only from 1200 to 1400 rpm? … read more
Daniel Wilson
Daniel Wilson
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2005 freightliner Columbia would take start we have 8 new
2005 freightliner Columbia would take start we have 8 new batteries,beware starter ,been ignition Cylinoid it just won't take start was clicking but not now… read more
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I just bought 2016 jayco seneca with freight liner m2
Hello there My name is ***** ***** i just bought 2016 jayco seneca with freight liner m2 business chassis. It does have rear airsuspension that works very well. My question is if there is a kit for he… read more
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Daniel Wilson
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Howdy, is there a way to adjust the ride firmness or
Howdy, is there a way to adjust the ride firmness or softness on the air suspension, my height control valve is set for about 3" of travel between the frame stop and the Ubolt that holds the leaf spri… read more
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Freightliner Columbia 2003 550,000 original miles. Having an
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Hi ExpertI am want to buy a MACK truck for shipment to
Hi Expert I am want to buy a MACK truck for shipment to Africa. The customer is requesting for a MACK truck with Camel back suspension and not Airbag. unfortunately most trucks from 2000 and above are… read more
Travis A. Wells
Travis A. Wells
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i have a question for a mechanic very experienced in freightliner
i have a question for a mechanic very experienced in freightliner school bus air ride suspension systems . i drive a 2004 freightliner 78 passenger school bus , thomas body , mercedes engine , air bra… read more
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I have a 2005 Freightliner Columbia, Has awesome power when
I have a 2005 Freightliner Columbia, Has awesome power when bobtailing. Has little power when pulling trailers. It is set at 515hp, We pressure tested the air charger, changed the turbo, and it still … read more
Cat Man
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2005 Freightliner Columbia loses power some times.
I have a 2005 Freightliner Columbia that loses power some times. Driver complains that the hil he use to climb in 5th Gear with load now he goes in 3rd gear. Sometimes even on a leveled surface it act… read more
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 satisfied customers

Owner at DJ Wilson

Cat Man

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I am ASE Master Truck Certified.

Wayne

Wayne

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

Jeremy

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Curtis B.

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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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