Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
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
Expert
Expert
7,205 satisfied customers
It 5.9 Cummins 12 v .... I got work order said smoke coming
It 5.9 Cummins 12 v .... I got work order said white smoke coming out from tail pipe and I was thinking it turbo but the turbo drive shaft is not loose (bearing) it hard the way it supposed to be n no… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,629 satisfied customers
2009 international work star having some major issues with
2009 international work star having some major issues with pushing coolant into over flow and not sucking back into coolant system then low coolant light turns on have to. transfer coolant and is good… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I have DD15 leaking water out of the maifold. Detriot diesal
hello i have DD15 leaking water out of the maifold … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,738 satisfied customers
Man I was on the road and suddenly the water temp jumped
Hey cat man I was on the road and suddenly the water temp jumped from 200 to 220. It cool down back to normal with the fan but white smoke started blowing out the exhaust. I opened the reservoir cap a… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,171 satisfied customers
Have a om 460 engine on a freight liner Columbia. Spewing
Have a om 460 engine on a freight liner Columbia. Spewing black smoke through exhaust although engine is running better than it ever Has.… read more
Expert
Expert
7,205 satisfied customers
I have some question about Cummins ISX 871. Serial number is
yes im fixing it myself i didnt tell you want is the problem … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,738 satisfied customers
I have a 1995 Freightliner FLD with series 60 Detroit. It
Hello there. I have a 1995 Freightliner FLD with series 60 Detroit. It has 482000 miles on the rebuild. The problem I'm having is this, the #1 injector cup seems to keep failing. Last Novemer, 2015 th… read more
Expert
Expert
7,205 satisfied customers
I rebuid this detroit s60 pre egr 6 months ago new
hello i rebuid this detroit s60 pre egr 6 months ago new liner,piston ,head it ran well but now suddenly it start consuming coolant 1 gallon per trip of 1000km no external leak no coolant in oil no co… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,431 satisfied customers
We have 1989 western star with l10 400 hp Cummins motor in
we have 1989 western star with l10 400 hp Cummins motor in it. We did an inframe to the motor, we sent cyl head out for rebuild, head was cracked, after 5 attempts the machine shop found a good core t… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,431 satisfied customers
Cat c15 using coolant and pressure in the overflow
cat c15 using coolant and pressure in the overflow tank.Dealer says could be bad injector cups,wants to change them,doesnt appear to have coolant in the fuel??? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,171 satisfied customers
Working on isx cummins blowing a lot of smoke replaced EGR
Working on isx cummins blowing a lot of white smoke replaced EGR cooler was leaking water and smoke continues 2009 ISX… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,431 satisfied customers
I did the top end of a n14 select it had a bad head gasket,
I did the top end of a n14 select it had a bad head gasket , it ran great test drove ,used the jake and everything was fine , drive took it to day and on the highway you can see oil spots and it ran o… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,893 satisfied customers
Hey, working on a series 60 detroit in a 2000 9400 international.
Hey, working on a series 60 detroit in a 2000 9400 international. Installed a new engine harness and set valve lash/jakes/injector. Now I fired the truck up, she runs relatively smooth but I have some… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Have a c12 cat serial number 9ns03052 it's blowning white smoke
Have a c12 cat serial number 9ns03052 it's blowning white smoke out of exhaust and cracking and popping things I have done are changed wiring harness replaced two injectors ran rack new transfer pump … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,171 satisfied customers
We have a 2000 Cummins ISM 300 motor 400,022 miles on it. That
We have a 2000 Cummins ISM 300 motor 400,022 miles on it. That had a turbo failure. After replacing the turbo we noticed what appears to be a blown head gasket. The coolant was being blown out of the … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,629 satisfied customers
International 4700: oil leaking out of exhaust ports 4, 5,
oil leaking out of exhaust ports 4, 5, 6 only. All valve seals have been replaced, 3 new injectors installed and a new turbo installed. Put back together, started and still have smoke out the exhaust … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
Hi. My boss has a Hino truck which is pressurizing the cooling
Hi. My boss has a Hino truck which is pressurizing the cooling system (bubbles observed). A CO2 test at the radiator was negative, and the compressor head gasket was replaced. Could the turbo or EGR c… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,738 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,431 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,171 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,893 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,738 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

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All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,413 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

311 satisfied customers

16 years of experience

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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.

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