Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a 2010 freightliner Columbia day cab with the Detroit
Good morning, I have a 2010 freightliner Columbia day cab with the Detroit series 60 engine 14 ltr. With a 10 speed auto shift, I'm having a problem when the truck gets to operating temperature, it st… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I have a 371 detroit in a motor grader I just bought. I
I have a 371 detroit in a motor grader I just bought. I loosened up the stuck ones and it ran beautifully. After running a while at mid range idle it bogged down, blew white smoke and won't rev. I wou… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
I have a 05 kw with a cummins ISM it generally runs fine
I have a 05 kw with a cummins ISM it generally runs fine until you start going up hill under a load then it bogs down real bad and blows heavy black smoke then it clears up and takes off regaining ful… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
2006 freightliner century Detroit series 60 12.7 510,000
2006 freightliner century Detroit series 60 12.7 510,000 miles Truck burning oil approx 1-2 gallons a week depending on how far truck is driven. Truck has very excessive blow by from crankcase breathe… read more
Roy Belding
Roy Belding
7,584 satisfied customers
2003 Freightliner Century 12.7 VIN K74889. Had front end
2003 Freightliner Century 12.7 VIN K74889. Had front end off, trs, srs, bull gear, and seals done because tone wheel chipped tooth. Not sure if that is related. Left shop and cruise control worked lik… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
4,361 satisfied customers
I have a 5.9 280 hp cummings with allison trans in my 1999
I have a 5.9 280 hp cummings with allison trans in my 1999 winibago 34 foot with a colorado toad and 60000 miles this week going to washington I had problem with overheating up hill rig left on cruise… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I have a 2000 peterbilt with a series 60 Detroit cruise
I have a 2000 peterbilt with a series 60 Detroit cruise control and jake brakes are not working I need help tracing down the problem… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
engine using 1 gal. oil every 500 miles air compressor ok turbo
engine using 1 gal. oil every 500 miles air compressor ok turbo ok no oil leaks normal blow by for 800000 thousand miles no other problems oil is just gone this is a 2009 caskadia… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I have a 79 linkbelt excavator with a 353 Detroit it started
I have a 79 linkbelt excavator with a 353 Detroit it started good this morning been running it every day running about half throttle as I set the bucket down it raced up to full throttle I instinctive… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Buddy, I have 2002 century class with a 60 series Detroit with
Buddy, I have 2002 century class with a 60 series Detroit with 800000 miles on it. This truck went from making 6.5 mpg to 4.5 - 5.25 mpg. It also has sort of a miss or lope at a low idle. If I bump up… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
2001 volvo 12.7 60 series detroit engine (No Codes) Filled
2001 volvo 12.7 60 series detroit engine (No Codes) Filled up with fuel before will left and then drove 219 miles yesterday no problem on the way back about 50 miles from my drop off black smoke start… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have an isx with 385k miles. I get intermittent white and
I have an isx with 385k miles. I get intermittent white and blue smoke occasionaly, I think when the aftertreatment injector kicks in. It smokes for a little while, puffing out about every half second… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I have a 2006 Freightliner with a 14 ltr Detroit 450hp. Upon
I have a 2006 Freightliner with a 14 ltr Detroit 450hp. Upon acceleration i am getting a miss with black smoke coming out the exhaust pipe. Cruising it is fine, as soon as you ask for power is starts … read more
Clayton
Clayton
Technician
Vocational, Technical or Trade Scho
627 satisfied customers
we have a 99 freightliner with a detroit 60 in it we have had
we have a 99 freightliner with a detroit 60 in it we have had a new remanned 6 pack of injectors from detroit put in , new fuel pump,head gasket replaced and it still smokes at idle and acts like its … read more
Clayton
Clayton
Technician
Vocational, Technical or Trade Scho
627 satisfied customers
I have a 2006 Frieghtliner with a 60 series Detroit motor,
I have a 2006 Frieghtliner with a 60 series Detroit motor, after changing fuel filter and refilling resivoir,fuel level is staying full and not dropping when engine is started… read more
DirectInjection
DirectInjection
Field Service
Diplom
56 satisfied customers
My dd15 Detroit engine blows white/grey smoke for 1 or2 seconds
My dd15 Detroit engine blows white/grey smoke for 1 or2 seconds when accelerating after a down hill run. Seems worse if the engine brake was used. Detroit have checked the engine and say nothing is wr… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I,m working on a 1995 Detroit 6V92 with DDEC engine controls
I,m working on a 1995 Detroit 6V92 with DDEC engine controls in a truck that smokes excessively and loses throttle response at initial start up. The excessive smoke and loss of throttle response lasts… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
have a series 60 and it started smoking (blacksmoke)when I
have a series 60 and it started smoking (blacksmoke)when I give it fuel there is no knocking of injectors it seems to choke when I gunned it at takeoff first 5 gears then it runs good what could it be… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 satisfied customers

Owner at DJ Wilson

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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

Jeremy

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

cumminsdr

cumminsdr

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Curtis B.

Curtis B.

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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

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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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