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
Western star 4900 c15 MBn. New egt probe wired under dash
Western star 4900 c15 MBn. New egt probe wired under dash anyone have a wiring diagram or what it could be?… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
Cat c15 2004 western star 4900 abs light comes on but works
Cat c15 2004 western star 4900 abs light comes on but works also when I take fuse out you can tell a braking difference? Any help.… read more
Mike
Mike
Shop Foreman/Triage Tech
Associates
2,808 satisfied customers
Where would I find the ground for the gauges on 2004 western
Where would I find the ground for the gauges on 2004 western star … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
Western star 4900 2004 EGT gauge not working brand new wired
Western star 4900 2004 EGT gauge not working brand new wired under the cab and gauge connected. Will not work.… read more
timdieseltech
timdieseltech
diesel tech
Vocational, Technical or Trade School
120 satisfied customers
How many volts does a WABCO abs module need I have 10.5 need
How many volts does a WABCO abs module need I have 10.5 need info … read more
Mike
Mike
Shop Foreman/Triage Tech
Associates
2,808 satisfied customers
Block pitted, head gasket failure. Western star, 4900 fa,
Block pitted , head gasket failure JA: What's the make/model/year of your truck? Engine type? Customer: western star, 4900 fa, 2005, mercedes JA: Are you fixing your truck yourself? What have you trie… read more
Keiphun Sowell
Keiphun Sowell
AutoDiesel Technology
265 satisfied customers
Where is the abs module on a 2013 western star with a
Where is the abs module on a 2013 western star with a detroit engine? And how can i check it? Is it the one right above the battery box that looks like ECM?… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
I have a cat mxs c15 and it's giving me a code 98. Last week
I have a cat mxs c15 and it's giving me a code 98. Last week it was a 25 so I changed the boost sensor now it giving a 98. Any ideas? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
I've got a 2000 Western star 4900 and I replaced the dash
I've got a 2000 Western star 4900 and I replaced the dash gauge light bulbs and now my headlight buzzer is on constantly and ive lost all electrical gauges, speedometer and tachometer are both pinned … read more
Keiphun Sowell
Keiphun Sowell
AutoDiesel Technology
265 satisfied customers
I am changing a dd15 out of a 2009 western star and
I am changing a dd15 out of a 2009 western star and installing a n14 in its place and am trying to find a wiring harness that will make this work … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
Have active code spn 3711 fmi 31 and spn 3719 fmi 0. 2009
have active code spn 3711 fmi 31 and spn 3719 fmi 0. 2009 western star with a cat c15. will only run for 1 minute. engine light and engine stop lights are on. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
I have a 3406e in a 2000 western star. Flash code is 21 and
Hello. I have a 3406e in a 2000 western star. Flash code is 21 and I have 8 volts to the vref pin like it should. However there is also12v to the signal return pin with the connector disconnected at t… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
I have a 2006 Western Star. I have no lights in the sleeper
I have a 2006 Western Star. I have no lights in the sleeper or side boxes. Everything else works fine. I know I shorted the side box switch. I cannot locate the fuse. It must control all the lights. I… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
2016 western star 4900. Customer came in with a/c not
2016 western star 4900. Customer came in with a/c not working found low charge pressures. Did leak test and found compressor was leaking. Ordered new dealer compressor. Customer could not wait for us … read more
Roy
Roy
shop foreman
Associate Degree
5,403 satisfied customers
Looking to get info on some caterpillar codes. Thanks\ We
looking to get info on some caterpillar codes JA: Sometimes things that you think will be really complicated end up being easy to fix. The Heavy Equipment Mechanic I'm going to connect you with knows … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
I have a 2011 Freightliner Cascadia in my shop with a dd15
I have a 2011 Freightliner Cascadia in my shop with a dd15 Detroit died going down the road fuel filter housing was empty primer pump not working you can hook up a sprayer with a compucheck fitting fu… read more
Roy
Roy
shop foreman
Associate Degree
5,403 satisfied customers
2005 Hino 238 ABS light is on when I do the ABS self test
2005 Hino 238 ABS light is on when I do the ABS self test the ABS light flashes twice. What does this code means?? Please help b/4 I take it to the dealer. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
Exhaust brake quit working, then only one cylendeer
exhaust brake quit working, then only one cylendeer worked.shut down for about an hour and all started to work. … read more
Roy
Roy
shop foreman
Associate Degree
5,403 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

3,632 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.

< 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