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 got a 3406E with a 208 thermostat and its been about
I got a 3406E with a 208 thermostat and its been about 80s-90s and temp has been running 205-210 and fan hasnt been kicking on till 212-213 and was wondering if that was normal or bad sending unit or … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,222 satisfied customers
I have a 1997 W900L with a 3r06e in it. Ill be driving along
I have a 1997 W900L with a 3r06e in it. Ill be driving along and it starts bucking. Generally it does it pulling a hill or breaking crest of hill. I replaced wiring harness from even out to motor. I'v… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,222 satisfied customers
2004 cat acert c15 Diesel engine over heats only when boost
2004 cat acert c15 Diesel engine over heats only when boost pressure reaches over 30 psi with light loads and 17 psi with heavy loads. No coolant loss or oil. Compression is good on all cylinders. Wil… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,222 satisfied customers
2007 Caterpillar C-15 Acert. 1,314,700 miles on original
2007 Caterpillar C-15 Acert. 1,314,700 miles on original engine. I had an overhead ran and within 2 hours of driving, I got check engine light. Flash codes 94 and 95. I replaced the intake oil pressur… read more
AMANDEEP MAHERU
AMANDEEP MAHERU
1 satisfied customers
Can you put acert water pump on single turbo c15. Cat
2001 Pete 379. Wondering if acert high volume pump would better cool my non acert cat… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,222 satisfied customers
2008 freightliner mt45 running hot at stops and idle. Can u
2008 freightliner mt45 running hot at stops and long idle . Can u verify what temp is normal operating temp and what temp the fan kicks on?… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
419 satisfied customers
CATMAN PLEASE 2006 Pete CAT C15 ACERT the coolant temp gauge
CATMAN PLEASE 2006 Pete CAT C15 ACERT the coolant temp gauge is acting up. seems like when the fan kicks on the guage starts acting up. it starts bouncing around and making the little red light in the… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Got a series 60 engine that was fully rebuilt last year
Got a series 60 engine that was fully rebuilt last year 2015. I took the block to machine shop and they cut the counter bores and shaved the deck. A few months later after assembling engine and pullin… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
C15 cat in 2005 international run hot at 210deg and hoter
c15 cat in 2005 international run hot at 210deg and hoter when in a pull fan will not come on until it gets to 220 de … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,222 satisfied customers
I have a c15 acert mxs engine and is running hot only when
I have a c15 acert mxs engine and is running hot only when pulling a load fan is kicking in fine and is not using any coolant . any ideals ?… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I have a c15 acert and a 2001 c15 single turbo in a Pete can
I have a c15 acert and a 2001 c15 single turbo in a Pete can I swap them and what problems would I have… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,222 satisfied customers
My 2005 international 4300 is heating up and I 't know atg
my 2005 international 4300 is heating up and I don't know atg what temperature its suppose to be running at because no lights turn on? … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
2004 Peterbilt w/C15 Acert (BXS) Okay i finally got fan
2004 Peterbilt w/C15 Acert (BXS) Okay i finally got fan situation figured out and it now cycles on @ 217 and off @206 like it should. BUT now when it gets hot (230 i believe) the buzzer comes on and "… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,222 satisfied customers
2004 Peterbilt 379 w/C15 acert fan will not turn on with
2004 Peterbilt 379 w/C15 acert fan will not turn on with switch in "auto". Gets up to 225-230 with no warning light or buzzer. It just started doing this about a week ago. Prior to that it kicked on a… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,222 satisfied customers
Does dual exhaust or larger diameter exhaust effect engine temp and performance? 2004 c15
Does dual exhaust or larger diameter exhaust effect engine temp and performance? 2004 c15 475 cat coded to 550, twin turbo with 4 inch single exhaust. 4.10 gear with 18 speed eaton Pulling super-b gra… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,222 satisfied customers
Hey Cat Man. I have a 2003 pete with a c15 6nz in it. It runs
Hey Cat Man. I have a 2003 pete with a c15 6nz in it. It runs great with no water or oil loss since an out of frame 115,000 miles ago. Since the rebuild it's ran hot. I've replaced the radiator and th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,222 satisfied customers
Hello, What's the best way to break in a new c15 engine? Do
Hello, What's the best way to break in a new c15 engine? Do I use any special oil ? Thanks… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,222 satisfied customers
Have a 07 Kenworth T800 with a Acert C15 engine. When driver
Have a 07 Kenworth T800 with a Acert C15 engine. When driver pulls a load uphill the oil temp just about reaches the red line. Fan is working and all coolers are free and clear. Last time this happene… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,222 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

10,222 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