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 need help with my cat 3126. 2005 freightliner m2 with a
hi i need help with my cat 3126 JA: Hi. What is the complete model and serial number of your machine? Customer: 2005 freightliner m2 with a cat 3126 JA: Are you fixing this yourself? What have you tri… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
2000 fl60 5. 5.9 cummins 6 speed check engine light is on.
5.9 cummins 6 speed check engine light is on. Not sure I'm using self diagnostic correctly but first time gave a 422. 30 min later a 52 code … read more
Gary A.
Gary A.
Associates in Diesel Technology and Business Management
8 satisfied customers
2001 freightliner fl60 with 7.2L caterpillar 3126.
2001 freightliner fl60 with 7.2L caterpillar 3126. … read more
TomcM28
TomcM28
Owner
Associates
14 satisfied customers
I've got an 01 fl60 3126 cat showing 32 and 56 using the
I've got an 01 fl60 3126 cat showing 32 and 56 using the cruise control button but can not find a manual to see what the codes are … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
I have a 2001 Thomas Cat 3126 school bus. It will crank and
I have a 2001 Thomas Cat 3126 school bus. It will crank and run but the gas pedal will not engage. We replaced the throttle position sensor and this did not help. Hooked it to a scan tool and it is sa… read more
Scott Anthony
Scott Anthony
Master Technician
HS Diploma
3 satisfied customers
I have a 99 freightliner fl60 with a cat 3126 with huei
I have a 99 freightliner fl60 with a cat 3126 with huei injection system and I accidentally knocked a 10amp fuse out of the fuse panel in the cab on the passenger side while the truck was running.. on… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
1999 freightliner fl60 with cat 3126. Will not start. Wait
1999 freightliner fl60 with cat 3126. Will not start. Wait to start light not coming on and scanner will not communicate with ecm. Unplugged wiring harness going to sensors to rule out a shorted senso… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I'm wanting to swap out my 8yl 3126 out of 2000 c7500 I want
I'm wanting to swap out my 8yl 3126 out of 2000 c7500 I want to put in ckm 2002 3126 for more power Don't know if I use old ecm or new on because for gauges ect … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
I have a 95 freightliner with a 3126 cat motor it kept
I have a 95 freightliner with a 3126 cat motor it kept shutting off so we replaced the computer to it to caterpillar and they programmed it and it runs a min a still shuts off caterpillar sayd it isn'… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I've got a FL60 freightliner with a 3126 Cat and i need to
i've got a FL60 freightliner with a 3126 Cat and i need to replace the water pump v-belt, do I have to remove the harmonic dampener? and if so can i remove the outer bolts or do i have to remove the i… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,947 satisfied customers
We have a cat c7 with flash codes showing nearly all sensors
We have a cat c7 with flash codes showing nearly all sensors having issues, could this be caused by an electrical short somewhere or some other issue causing all sensors to report incorrectlyFlash Cod… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
2006 freight Columbia VIN W07956 throwing fault code Ecu 128
2006 freight Columbia VIN W07956 throwing fault code Ecu 128 Sid 30 fail 07Some research leads towards fan clutch issue. I just need confirmation or help figuring this code out.Thanks… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
1999 Freightliner FL 70. It starts and idles but has no
1999 Freightliner FL 70. It starts and idles but has no throttle response. The fuses all seem to be OK, so I want to check the throttle circuits and don't have an electrical schematic … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Looking at purchasing a 2000 Freightliner FL60 sport chassis
Looking at purchasing a 2000 Freightliner FL60 sport chassis crew cab with the 300/850 CAT 3126 and Alison set up to pull an RV 5th wheel. Its spent its life as a AAA sprint race car hauler and has 20… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Second opinion] My fl60 with allison auto will not go into
Second opinion] My fl60 with allison auto will not go into gear the indicatorlight at the top shows a star… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
2002 Freightliner FL60 bucket truck with a Cat 3126 engine.
2002 Freightliner FL60 bucket truck with a Cat 3126 engine. Engine light comes on while driving, then engine shuts off. Sometimes it will run until I come to a stop and then shuts off (almost like sto… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Dan, from your previous posts I see you have some experience
Dan, from your previous posts I see you have some experience with Cat Engines and remote throttle applications. We have installed a light boom on a FL60 with a Cat 3126 serial number 8YL42194. I need … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a Freightliner FL60 with a 3126 engine with an automatic
I have a Freightliner FL60 with a 3126 engine with an automatic trans. The block is cracked so i have to R&R a new engine. My question is, can I remove the engine and tranny together as a unit or is i… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 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

6,062 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,344 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

5,115 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,756 satisfied customers

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

Curtis B.

Curtis B.

Technician

1,947 satisfied customers

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

cumminsdr

cumminsdr

Mechanic

1,886 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 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