Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
My Freightliner cab's heater blows hot air at idle, but as
My Freightliner cab's heater blows hot air at idle, but as speed increases, the air gets colder. Why? … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
2005 freightliner century with 14L S60 & optimized idle will
2005 freightliner century with 14L S60 & optimized idle will not bump up to fast idle when park … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
9,537 satisfied customers
I have 2007 freightliner Columbia with a c15 once in a wild
I have 2007 freightliner Columbia with a c15 once in a wild my oil pressure gauge would go down to 5psi if i step on the acceleration pedal it goes back to normal i get no low oil pressure light no wa… read more
Mike
Mike
Triage Tech/Shop Foreman
Associates
208 satisfied customers
2007 freightliner columbia. No heat coming through the
2007 freightliner columbia. No heat coming through the front. I have heat in the rear. Changed blender door motor. Heat a/c control panel. No water valve on side of engine to open or close … read more
AMANDEEP MAHERU
AMANDEEP MAHERU
1 satisfied customers
I have a question about a 2007 Freightliner Century? I am
Hi I have a question about a 2007 Freightliner Century? I am stuck in the road blocking half the road right now. … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
My 1998 freightliner century Detroit s60 Shuts off after 15
My 1998 freightliner century Detroit s60 Shuts off after 15 minutes of idling. Coolant levels are Normal, oil is fine, oil pressure is good. Help! … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
9,537 satisfied customers
Truck sat for 3 weeks drove it for 2 days was idling a lot
Truck sat for 3 weeks drove it for 2 days was idling a lot and today all of a sudden I got the engine protection icon on and the code ecu 128 pid 235 fail 00. Please help… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
9,537 satisfied customers
I have a 2007 Freightliner century with a C15 eng. last
I have a 2007 Freightliner century with a C15 eng. last night the check engine light came on check for low oil and water. Found the antifreeze to be below the low water sensor and the engine blowing w… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
Problem #1 2007 Columbia Freightliner over heating. Pulling
Problem #1 2007 Columbia Freightliner over heating. Pulling a heavy load 44000 lbs. Noticed a few weeks ago that seemed like I was adding coolant more often during pretrip. Made a mental note to keep … read more
Roy
Roy
shop foreman
Associate Degree
5,347 satisfied customers
I HAVE A 2007 FREIGHTLINER COLUMBIA DETROIT ENGINE DAY CAB.
i HAVE A 2007 FREIGHTLINER COLUMBIA DETROIT ENGINE DAY CAB. SOMETHING IS PUTTING PRESSURE ON MOTER AND CAUSING OIL TO BLOW OUT OF DIPSTICK AND BLOWS OIL PAN GASKETS… read more
Derek Neustaeter
Derek Neustaeter
Heavy Duty Equipment Mechanic
1 satisfied customers
I have a 2007 Freightliner Columbia, ultra shift. Has problems
I have a 2007 Freightliner Columbia, ultra shift. Has problems getting stuck in between gears and neutral. It flashes the gear its in and 'F'. I had the xy shifter and transmission harness replaced. A… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
I have a Detroit engine on freightliner Columbia 07 and my
I have a Detroit engine on freightliner Columbia 07 and my oil pressure is low at 25-30 when idle and it's around 50 when driving. Driving is ok as much as I know but idle is low. I changed the oil pr… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
2007 freightliner century Detroit 60 series runs cool in cold
2007 freightliner century Detroit 60 series runs cool in cold wether less than 125 degrees, blows out cold air while driving, heat works when truck is Idilng!… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
have a 2007 c13 acert qnd the exhaust back pressure code pops
have a 2007 c13 acert qnd the exhaust back pressure code pops up when driving active light on and this engine does not have a ebpressure sensor according to cat and freightliner. turn key off code gon… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
My 2007 freightliner has heat in the back but not in front
My 2007 freightliner has heat in the back but not in front changed the control unit can you help… read more
ClaytonH729
ClaytonH729
Technician
Vocational, Technical or Trade Scho
627 satisfied customers
i have a 2004 Freightliner Columbia. i do not have heat or
i have a 2004 Freightliner Columbia. i do not have heat or air blowing out of my vents in the sleeper. i do have heat/air blowing out of the dashboard vents. i recently replaced the blower fan in the … read more
semi truck tech
semi truck tech
LEAD DIESEL MECHANIC
Associate Degree
2 satisfied customers
My 1999 freightliner century, series 60 detroit will wth no warning or
My 1999 freightliner century, series 60 detroit will wth no warning or codes rev up and ignore the jake brake. This will happen for a few minutes and then the truck runs just fine and the jake works. … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
My detroit diesel DD15 has 586,000 miles. In the last 40,000
My detroit diesel DD15 has 586,000 miles. In the last 40,000 miles the oil consumption has gone from zero to 1 gal. every 2000 miles. No visible leaks underneath. Fuel mileage is poor at 5.4 mpg. the … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

9,537 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,965 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,400 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,672 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

1,458 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

149 satisfied customers

16 years of experience

dieseldan55

dieseldan55

Contractor

77 satisfied customers

Road Service mechanic for Volvo Construction.

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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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