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
Blowing white smoke so assuming a head gasket. Took the air
Blowing white smoke so assuming a blown head gasket. Took the air intake off the block and there's signs of water. Where in the world would that be coming from? … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
96 satisfied customers
2016 Freightliner cascadia dd15 overheating。 replaced the
2016 Freightliner cascadia dd15 overheating。 replaced the thermostat and water temperature sensor. It's still overheating. No fan is heard when the water temperature exceeds 200. The fan will not work… read more
Ramon Capellan
Ramon Capellan
owner / operator
Auto Mechanics
26 satisfied customers
I have a 2006 Freighliner box truck with Cat C7 Engine (SAP
Hi there, I have a 2006 Freighliner box truck with Cat C7 Engine (SAP series). The engine does not overheat while iddling but get very hot when i start driving it at 40 or 50 MPH. We have changed the … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
96 satisfied customers
On a CAT C11, found engine oil over full roughly 5 gallons
On a CAT C11, found engine oil over full roughly 5 gallons (judging from the dipstick. Apparent coolant mixed in oil & found coolant in oil filter. Radiator reservour low on coolant (only minor oil re… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
96 satisfied customers
2011 Peterbilt 386, c-13 acert single turbo conversion, was
2011 Peterbilt 386, c-13 acert single turbo conversion, was running hot,210-220 blew and washed out all 3 radiators, then was having an issue with the drain cap on the plastic reservoir, the threads o… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
What temperature should I turn on the cascadia DD15 2014 fan
Hello, what temperature should I turn on the cascadia DD15 2014 fan clutch, the water temperature stays between 200 and 210 up hills it reaches 225 and the fan clutch is activated and the temperature … read more
Chris (aka-Moose)
Chris (aka-Moose)
Technician
641 satisfied customers
I have an O7 Freightliner where is a C15 acert twin turbo at
I have an O7 Freightliner where is a C15 acert twin turbo at 475 horse I've driven it over 300,000 miles recently I had an overheating issue and it cos they had to crack and I had it in the shop and I… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I HAVE 2008 FRIEGHTLINER COLUMBIA with detriot 60 series
I HAVE 2008 FRIEGHTLINER COLUMBIA with detriot 60 series motor. My truck heatup and after 5 to 10 mints its came at normal like its goes more than 220 and then came back at normal after 5 to mints. Wh… read more
Expert
Expert
5 satisfied customers
I have a bxs c-15 acert twin turbo that all the sudden m/t
i have a bxs c-15 acert twin turbo that all the sudden m/t started to overheat up tp 230 degrees stop making cab heat . the engine hs 560000 original miles on it , i replaced the thermostats and housi… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a 2006 c-15 cat engine that was parked for about an
I have a 2006 c-15 cat engine that was parked for about an year because of fuel in coolant. Replaced injector cups along with orings and fuel injector orings. No more fuel in coolant Road tested and f… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Just wondering if 200 degree water temp normal for a dd15 in
Just wondering if 200 degree water temp normal for a dd15 in a 2013 Cascadia? … read more
Expert
Expert
5 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
We have an 07 pete with c15 acert its pushing antifreeze out
we have an 07 pete with c15 acert its pushing antifreeze out the overflow but only when the turbo boost is above 40 lbs head and head gasket has ben replaced cat has put it on dyno and nobody can find… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Have a 8150 massey that is pushing anti-freeze out of over
hello , have a 8150 massey that is pushing anti-freeze out of over flow , possible problems , clutch-fan going bad , water pump , or possible head gasket ? any thoughts would be helpful thanks neil… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,947 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
5,115 satisfied customers
During Sub-Zero temp, my C-15 Cat (05 FreightLiner Columbia)
During Sub-Zero temp, my C-15 Cat (05 FreightLiner Columbia) would not start, and was towed to CAT dealer. Dealer started my C-15 and diagnosed a Check engine light as VVA issue. We replaced 1&2 VVA a… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have C-15 550 TWIN TURBO CAT, WITH 470,000 MILES ON IT.last
I have C-15 550 TWIN TURBO CAT, WITH 470,000 MILES ON IT.last year my oil was mixing in my radiator. i had it in the shop and the oil cooler was replaced, radiator flushed etc. one year later the prob… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
06 c-13 acert....building pressure in radiator,cap releases
06 c-13 acert....building pressure in radiator,cap releases pressure,pushed out less than 1/2 gallon of coolant in two weeks....engine has a loud rumbling when under load at high elavation rumbling ce… 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