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 c15 early 20000 mechanical lift pump i am loosing
i have a c15 early 20000 mechanical lift pump i am loosing prime as i is siphoning the primary filter back to the tank … read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
10 satisfied customers
Mike, - Im loosing coolant I dont know where but I think it
Mike, - Im loosing coolant I dont know where but I think it go to EGR cooler because I dont see any external leak and engine oil doesnt look like mixed with the coolant. How can I check my EGR cooler … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
442 satisfied customers
CATMAN c15 SDP engine. has low power complaint test CAC
CATMAN c15 SDP engine. has low power complaint test CAC found 2 small leaks, which im replacing CAC and hoses.butfuel pressure gauge hooked up to compucheck above fuel filter is showing me to have 270… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
ISX CM2350 just will like your opinion on this, how logical
ISX CM2350 just will like your opinion on this, how logical or possible is to have coolant leaking into the fuel rail making it all the way to the fuel tanks then making it back to the fuel water sepa… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Coolant freezing and seems like the problem in fuel line for
coolant freezing and seems like the problem in fuel line for starting the truck. … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
Where is the hydraulic filter located at on a 1993 D4C
where is the hydraulic filter located at on a 1993 D4C Dozer … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,307 satisfied customers
C15 Cat in a 4900 Western Star losing 2to3 gallons coolant
C15 Cat in a 4900 Western Star losing 2to3 gallons coolant per day. No visible leaks, exhaust not white,not skipping,not blowing out overflow. Help me.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2013 Cummins ISX 15 ( 79798545) Getting coolant in
Hello I have a 2013 Cummins ISX 15 ( 79798545) Getting coolant in fuel . Drained the davco fuel water housing with coolant lines to it pressure test coolant system didn't find anything. Pulled injecto… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
442 satisfied customers
99 Detroit 12.7 L Fuel mixing in oil. Engine has a miss. How
99 Detroit 12.7 L Fuel mixing in oil. Engine has a miss. How can I find out which injector is bad. With Detroit software. No injector codes present… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
442 satisfied customers
Just doing some research on an issue with coolant ending up
Just doing some research on an issue with coolant ending up in my fuel/water separator, Cummins ISX CM 2250 … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
442 satisfied customers
CATMAN 5ek engine .. show very high coolant codes. opened
CATMAN 5ek engine .. show very high coolant codes. opened hood and noticed coolant out over flow hose... did block test. if fluid changes from blue to yellow means combustion gasses present in coolant… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
Mr Catman, i have an issue with a c15 cat engine.. after is
Hello Mr Catman, i have an issue with a c15 cat engine.. after is sitting for 6 hours truck wont start up right away.. i think it might be a check valve that is not holding fuel. No more .. i need to … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
My caterpillar 305 excavator shut down and the oil pressure
my caterpillar 305 excavator shut down and the oil pressure light and alarm went off. i checked the oil and its fine what could be the problem? … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,307 satisfied customers
2012 freightliner cascadia Cummins... 2012 freightliner
2012 freightliner cascadia Cummins... 2012 freightliner cascadia Cummins engine. Fault code 111 fit looks coolant comes on just when I turn on the engine after turning it off for a while. Then it turn… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
Cat man I have a problem with a truck and wanted to see if
Hello cat man I have a problem with a truck and wanted to see if you can help me out, I have a 2001 peterbuilt 387 model with C15 engine and it started to rough idle and started to blow out the exhaus… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
2000 N14 cummins loosing coolant runs great, no overheat, no
2000 N14 cummins loosing coolant runs great, no overheat, no mixing of any fluids, will loose coolant fast 1 gallon in a few hours. can see steam coming from blow by and oil fill tube.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
catman I have an 08 cat c15 eng sn sdp04125. It is building
catman I have an 08 cat c15 eng sn sdp04125. It is building pressure in the coolant. We thought it had a leak but I just looked at it and it appears to be flowing from the cap. the engine was cool lik… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
Have a 2007 model international 9200 with a Cummins ISx. Getting
Have a 2007 model international 9200 with a Cummins ISx. Getting coolant dripping out of the blow by (crankcase ventilation) pipe. Just replaced the oil cooler and air compressor and dont know if eith… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 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

10,250 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