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
Can a bad EGR cooler cause cumbustion in the cooling system?
Can a bad EGR cooler cause cumbustion in the cooling system? I'm loosing coolant and I don't have any visible leaks. … read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
20 satisfied customers
Cat Man, I'm having an issue with a 2002 6nz where I'm
Hello Cat Man,I'm having an issue with a 2002 6nz where I'm losing quite a bit of coolant throughout a days worth of work (350 miles)… read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
20 satisfied customers
Kenworth T660 with Cat C-15 sdp 21414 engine. Recently got
Kenworth T660 with Cat C-15 sdp 21414 engine.Recently got ultrashift clutch replaced and now I have crazy amount of greenish greesy stuff filled in my coolant tank its thick . But truck does not build… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,293 satisfied customers
I have 2006 freightliner century with Detroit 60 12.7 truck
I have 2006 freightliner century with Detroit 60 12.7 truck was running good until 2 days ago, suddenly while I was cruising at 60 mph its start to sputter / jerk fells exactly like cars with distribu… read more
Roy Belding
Roy Belding
7,801 satisfied customers
2014 volvo vnl d13 coolant in the oil Did an oil sample and
2014 volvo vnl d13 coolant in the oil Did an oil sample and came back 0.83% in the sample was coolant and I have been loosing a lot of coola t lately. … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
In Volvo D13 replaced head, was mixing coolant and oil one
Hi, in Volvo D13 replaced head, was mixing coolant and oil one valve was broken and had crack between valves , with new head installed oil and Colman's added but all coolant went straight to oil pan, … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
528 satisfied customers
2010 cascadia has black stuff in coolant tank maybe oil or
2010 cascadia has black stuff in coolant tank maybe oil or maybe other stuff . It dies not blow coolant out of tank nor lose coolant and domt seem to have any extra pressure. Would it be oil cooler or… read more
Roy Belding
Roy Belding
7,801 satisfied customers
2008 Ford F450 6.4 powerstoke 108,000 miles easy life runs
2008 Ford F450 6.4 powerstoke 108,000 miles easy life runs perfect for few minutes then rough idle and surging. No smoke does not overheat coolant in oil only code showing is P2463 the truck does not … read more
Chris (aka-Moose)
Chris (aka-Moose)
Technician
Vocational, Technical or Trade School
462 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
5,293 satisfied customers
The oil in the coolant reservoir is black. oil level is
Hi, the oil in the coolant reservoir is black. oil level is good, no sign of coolant in oil. no sign of coolant in transmission oil but there is oil in my coolant reservoir.o ring changes, injector cu… read more
Roy Belding
Roy Belding
7,801 satisfied customers
1999 7AS 3126 Cat engine in a C6500 tow truck. The engine
1999 7AS 3126 Cat engine in a C6500 tow truck. The engine runs excellent with no symptoms other than massive amounts of engine oil being pumped into the cooling system. The oil looks to be mixing unde… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,293 satisfied customers
3406 CAT ENGINE I BELIEVE ITS A 3406E WITH THE COMPUTER ON
3406 CAT ENGINE I BELIEVE ITS A 3406E WITH THE COMPUTER ON THE SIDE OF THE BLOCK I HAVE COOLANT IN OIL AND I HAVE THE RADIATOR UNDER PRESSURE TOOK THE OIL PAN OFF CANT SEE ANY WATER DROPING ON THE SID… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,293 satisfied customers
Low oil pressure when hot. 2012 IHC with maxxforce 13.
yes fixing. Unit had low oil pressure hot and oil comsumption issues. Chased after oil pressure problem, replaced oil pump did not cure problem, looked at main brgs and found slight scoring. Did a complete out of frame rebuild, put on new head as old one had cracks between valves. Problem seemed ok for first few days running then reoccurred. Oil consumption problem gone now. Just an oil pressure hot problem. … read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
524 satisfied customers
I have 60 series Detroit with oil getting into the coolant
I have 60 series Detroit with oil getting into the coolant have already replaced the oil cooler what else could be the problem… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 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
5,454 satisfied customers
I am currently working on a 14L Detroit 2007 60 series
hello i am currently working on a 14L Detroit 2007 60 series there is oil in coolant 2 months ago i replaced the oil cooler and still has oil in coolant i keep cleaning it out but still going through … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
i replace the injector cups on my 1998 international 466e it
i replace the injector cups on my 1998 international 466e it ran great for two day then i check the oil an found water in oil any ideals… read more
Andy
Andy
Truck Diagnostic Technician
Vocational, Technical or Trade School
3,015 satisfied customers
03dt466e international pre egr idle oil psi is 30 cold when
03dt466e international pre egr idle oil psi is 30 cold when reved up drops to 10 to 15 bounces. changed oil reg, roil relief and oil pump?… read more
sevn103
sevn103
232 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

5,454 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,293 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,563 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,747 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

1,824 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,806 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

462 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