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
We have a C15 that is not overheating but is losing about a
We have a C15 that is not overheating but is losing about a gallon of water a day. It had a negative bottle test. Replaced the air compressor but it is still losing water. Cannot find any leaks … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,219 satisfied customers
I have a 2007 International 4300 that we put antifreeze
I have a 2007 International 4300 that we put antifreeze every day and it didn't change the radiator change the water pump and Reservoir still can't find a leak… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
2014 Kenworth T 800 with a Cummins ISX 15 in it using half a
2014 Kenworth T 800 with a Cummins ISX 15 in it using half a gallon of coolant a day, no visible leaks radiator overflow tank under a enormity pressure ,radiator hoses bulging, help to diagnose… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
404 satisfied customers
My air pressure keeps going down and gets to 60 psi. It
My air pressure keeps going down and gets to 60 psi. It stays there for a couple of minutes and then starts to build pressure. This happens over and over. I took the air line loose coming out of the c… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
404 satisfied customers
I am trying to install the stabilizer bar of my 2004
I am trying to install the stabilizer bar of my 2004 peterbilt C15 475 eng. There is a deference in high in one of the hole that support the stabilizer; what do I have to do to level the stabilizer wi… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I have a 99 Peterbilt 379 with a CAT C 12 engine that's over
I have a 99 Peterbilt 379 with a CAT C 12 engine that's over heating. I have replaced EVERYTHING and it continues to over heat only while loaded and going up a hill. Also only during the summer when t… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,219 satisfied customers
I have a 6nz it through a 62 code so I added antifreeze and
I have a 6nz it through a 62 code so I added antifreeze and it didn't leak any out on high rpm but when u let off idle bunch came out over flow tube now it has code 62 and 26 when I idle below 1000 rp… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Vapor type blow by through blow by tube and oil cap when I
vapor type blow by through blow by tube and oil cap when I open it.....I've checked turbo, no problem, checked air compressor, I did have some oil sipping so I went a head and changed it out.... it di… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,219 satisfied customers
Just in framed my mxs c15 last week its been about 600 miles
just in framed my mxs c15 last week its been about 600 miles and every time i pull a big hill loaded at 105k i lose about a gallon of oil out the blow by tube, which it did that before the inframe and… read more
Eddy
Eddy
HD Truck Tech
GED
2 satisfied customers
I have a 2007 Cat c13 that suddenly got water in the oil and
I have a 2007 Cat c13 that suddenly got water in the oil and some oil in the water. I pulled the pan and pressurized the system to look for liner leaks. Nothing. Let it set overnight pressurized and b… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,219 satisfied customers
I have a C15 twin turbo. Blew top radiator hose fixed that.
I have a C15 twin turbo. Blew top radiator hose fixed that. 2 days later my coolant reservoir sprung a leak and I fixed that Saturday. Left back out on Monday and I noticed the weep hole on the water … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
Been getting oil in coolant on isx 535hp. Changed oil
Been getting oil in coolant on isx 535hp. Changed oil coolers still happening. Dug deeper found #5 liner starting to gald. Had inframed and now still getting oil in water. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have this detroit s60 egr 2006 at my shop whats the
i have this detroit s60 egr 2006 at my shop whats the nominal coolant pressure its building up around 22-25 psi standing without load at high idle i guess its more than normal already changed the air … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
What would make a 14 liter Detroit get water inside the
What would make a 14 liter Detroit get water inside the intake ? The head has been pressure checked and the liners were replaced about 6 months ago. The water pump and air compressor have also been re… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a Volvo D12D. My coolant is being pushed from main
Customer: I have a Volvo D12D. My coolant is being pushed from main tank over to overflow tank? … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
2007 peterbilt 379, isx. Question 1, cruise control will not
2007 peterbilt 379, isx. Question 1, cruise control will not switch on. Clutch and brake switches test ok at dealership. Controls are shifter mounted. Suspect broken wire at shifter base. Should i ck … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
hi,I got a 2005 379 engine peterbilt, every morning it starts
hi,I got a 2005 379 engine peterbilt, every morning it starts ok. and runs for 3 or 4 minutes and then gets kill down and I have to use starter fluid to make it work, I have this problem every morning… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a 2008 peterbilt with caterpillar c13 engine, motor
I have a 2008 peterbilt with caterpillar c13 engine, motor runs good, but it dumps 2-3 gallons of antifreeze from the overflow. i am guessing it builds up too much pressure or its getting air from som… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,219 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

10,219 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