Medium and Heavy Trucks

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We have a c13 cat with low power. we have replaced boost
we have a c13 cat with low power. we have replaced boost sensor, verified fuel pressure (85psi) at wot. the truck originally came in with center section of exhaust manifold and turbo burned out. drive… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,293 satisfied customers
Check engine light, 5_4.0, CAB 33, EnG 0. You still there? I
Check engine light, 5_4.0, CAB 33, EnG 0 JA: Sometimes things that you think will be really complicated end up being easy to fix. The Heavy Truck Mechanic I'm going to connect you with knows all the t… read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,649 satisfied customers
I have a 2008 freightliner columbia. My turn signal will not
I have a 2008 freightliner columbia. My turn signal will not automatically turn off after I turn. I have to manually return it back to center. Would my switch be bad? … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
Have a 2006 freightliner truck that lost speedometer and
Have a 2006 freightliner truck that lost speedometer and cruise while driving on interstate went to pull over and transmission would not gear down and shut off completely. changed module and still blo… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
2004 freightliner Columbia cruise control quit working.
2004 freightliner Columbia cruise control quit working … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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My truck runs but has shut me down because of these codes.
Hey, My truck runs but has shut me down because of these codes. The truck is a 2004 Columbia Freightliner ECU 128 pid 100 fault 04… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
213 satisfied customers
I have a 2004 freightliner columbia that started losing air
I have a 2004 freightliner columbia that started losing air pressure driving down the highway.Then once I parked it built up again and now it's losing pressure while I'm sitting.Any suggestions? … read more
Keiphun Sowell
Keiphun Sowell
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O4 freightliner Columbia series 60 Detroit. Engine whistles
O4 freightliner Columbia series 60 Detroit. Engine whistles while idling … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
14 liter detroit high speed fan stays on. Ac clutch doesnt
14 liter detroit high speed fan stays on. Ac clutch doesnt stay on and truck wont build up air pressure … read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,649 satisfied customers
My 99 freightliner recirculation message kept coming on
My 99 freightliner recirculation message kept coming on needs fresh air so I drained the tanks and she won't start.. I need help plz!! … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
Freightliner out of fuel, Frieghtliner Columbia 2007, filled
filled fuel filters, was spraying started fluid. Guy turning ignition stopped as I was spraying started fluid. Engine don't want to crank over now … read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,649 satisfied customers
I'm looking for a wiring schematic for instrument cluster on
I'm looking for a wiring schematic for instrument cluster on a 2004 freightliner columbia … read more
FIX-IT
FIX-IT
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My freight liner Cascadia 2011 lost air pressure, only
my freight liner Cascadia 2011 lost air pressure, only builds up to 60 psi's, what could be the issue? … read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,649 satisfied customers
Im having a problem building air pressure. It will not get
Hey im having a problem building air pressure. It will not get about 30psi. I changed d2 governor and still no pressure. Has s code 6H 164. Can u please help me … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
Good afternoon .my freightliner columbia 2009 series 60
Good afternoon .my freightliner columbia 2009 series 60 .water separator have low level diesel before was a number 2 .it's a new fuel filter I would like to know that's normal ..or maybe that's the re… read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,649 satisfied customers
I have a Freightliner Columbia 2004 with the cat engine that
I have a Freightliner Columbia 2004 with the cat engine that the air pressure stopped building up when I start up the truck I walked around and listen for audible air leaks I did not hear anything wha… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
I have an 03 Series 60 in a freightliner columbia. It has
I have an '03 Series 60 in a freightliner columbia. It has 985000 miles on it. Yesterday it started losing power on hills, small and large. It has an auto-shift tranny, and when shifting from 10th to … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,293 satisfied customers
I have a 2004 Freightliner Columbia with a Series 60 Detroit
I have a 2004 Freightliner Columbia with a Series 60 Detroit Diesel. When accelerating under load the engine seems to hiccup (a very short loss of power) shortly after shifting. We changed the fuel fi… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,747 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

5,454 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,293 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,563 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,747 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

1,824 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,806 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

462 satisfied customers

24 years of experience diagnosing & repairing

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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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