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
I have a 2004 Columbia with a 60 series truck runs fine the
I have a 2004 Columbia with a 60 series truck runs fine the fan clutch turns on and it looses power when the fan clutch turns of the power comes back and runs like nothing happend checked the batterie… read more
james Roberts
james Roberts
Maintenance assistant
Vocational, Technical or Trade School
3 satisfied customers
I have a 2008 freightliner columbia series 60 with a 10
I have a 2008 freightliner columbia series 60 with a 10 speed. I've recently changed both my main harness and turbo harness due to my harness being saturated with oil I still have a few codes one bein… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2005 freightliner Columbia Detroit 60 with 620,000.
I have a 2005 freightliner Columbia Detroit 60 with 620,000. My truck has been sitting for a year. I parked it because it wouldn't crank. I had a rebuilt starter that had the main ground bolt that goe… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Thanks for the question. 2011 international prostar
2011 international prostar maxxsforce 13 475 hp the engine is 09 they call a big bore … read more
Bradey V
Bradey V
Certificate
I have a freightliner with a DDEC vi 14.0l. Columbia 120
the cooling fan has just started cycling on and off but stays on mostly … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
Well freightliner replaced 4 vpods on my 2007 60 detroit and
well freightliner replaced 4 vpods on my 2007 60 detroit and they still dont know whats wrong my truck is loseing power and then picks back up at times it dont have any boost at all … read more
Drue Casey
Drue Casey
Heavy Duty Diesel Mechanic
Vocational, Technical or Trade School
Cat Man. I currently have a 2007 Pete 379 with a NXS acert.
Hi Cat Man. I currently have a 2007 Pete 379 with a NXS acert. It is a factory 475/1850 tune but last weekend I changed it to the 550/1850 brake saver tune and when I went out on the road I could tell… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have 2006 Freightliner Columbia just recently rebuilt
I have 2006 Freightliner Columbia just recently rebuilt engine and also put new harness for ECM. … read more
Anthony Young
Anthony Young
Associates in Diesel Technology
2 satisfied customers
On more level ground i cruise at 75 mph no problem and very
On more level ground i cruise at 75 mph no problem and very little white smoke. When climbing hills or mountain grades i lose speed and power booster guage wont go past 30 on dash. And my exhaust pump… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
Have a 2004 freightliner classic. 500 detroit. Turbo does
Have a 2004 freightliner classic. 500 detroit. Turbo does not work. New turbo new pods new speed sensor. Air lines clear. Have no air coming from pods on start up and while running. Turbo started work… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I was meaning to ask what the correct turbo is for this
i was meaning to ask what the correct turbo is for this motor..haven't had the truck long and am questioning some of the parts on it… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
DIESEL MECHANIC 14.0 L , HESITATION AND LOSS OF POWER
HESITATION AND LOSS OF POWER WHILE RUNNING ON THE HIGHWAY , IT HAPPEN ALL OF A SUDDEN THEN I RELEASE FUEL AND FUEL AGAIN IT FEELS LIKE NO FUEL PEDAL WORKING, BUT SOME TIMES IT DOES GO BACK AND WORK, WHEN I DRIVE AND LETS SAY I AM USING THE CRUISE CONTROL IT START LOSS POWER/ PICK UP POWER ON THE ROW AND SHAKING, I DID CHANGE TURBO, EGR SO FAR DONT KNOW WHAT TO DO , OH YEAH WHEN IT CHOKES ON THE HIGHWAY THE ENGINE LIGHT COMES ON, BUT WHEN LET GO OFF THE FUEL THE LIGHT GOES OFF, WHEN FUEL AGAIN IT COMES ON, AND SO ON, BUT AFTER A LITTLE WHILE ILL BE ABLE TO PICKUP SPEED AND GO, ITS BAD ON INCLINES START DIE FAST , … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have 1996 freightliner with Cummin M-11 yesterday I
Hi I have 1996 freightliner with Cummin M-11 yesterday I started to feel some shaking in 9th gear under 40 mph and 10 gear under. 60 mph… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Does dual exhaust or larger diameter exhaust effect engine temp and performance? 2004 c15
Does dual exhaust or larger diameter exhaust effect engine temp and performance? 2004 c15 475 cat coded to 550, twin turbo with 4 inch single exhaust. 4.10 gear with 18 speed eaton Pulling super-b gra… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
After coasting down a hill, when I give my Detroit motor fuel
After coasting down a hill, when I give my Detroit motor fuel to go up the other side the motor will start missing and discharging black smoke for about one quarter mile. Then it smoothest out and run… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a 2001 Kw with c15 475 cat with a loss of power. No
I have a 2001 Kw with c15 475 cat with a loss of power. No check engine light, no obvious noises for a missing cylinder. Idles and runs perfectly just a loss in overall power and acceleration. No fuel… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Caterpillar 3406B: Already been here once today...Ill rephrase
Already been here once today...I'll rephrase the original way I explained the problem..to recap, I have a 3406B caterpillar w/ less than 100k out of chassis overhaul. Slightest grade deadhead or empty… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Hi Wayne, I am looking at adding another truck to small fleet.
Hi Wayne, I am looking at adding another truck to small fleet. Considering a 2006 Volvo with an ISX450 engine. I have a 2007 Columbia with a Detroit 60 that has been a little quirky. Other trucks bein… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 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

2,740 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