Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
Getting fuel in the oil I have replaced injectors o rings
getting fuel in the oil I have replaced injectors o rings Put new head a year ago what else could cause this Its a Cummins isx engine ser number 79216434 … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
350 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
350 satisfied customers
2014 isx 550. I'm getting coolant coming out of overflow as
2014 isx 550. I'm getting coolant coming out of overflow as well. On a hard pull. When it's down a gallon it reduces the leaking. Should a egr cooler not use coolant rather then pressure the overflow … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
350 satisfied customers
I have a 2011 International Lonestar I'm getting coolant in
I have a 2011 International Lonestar I'm getting coolant in the crank case filter. It's using 2 gal of antifreeze a day. Seems to have no oil in coolant tho. Can it be a head gasket? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
350 satisfied customers
Have a 2009 isx 485 hp just had a short block with cams done
Have a 2009 isx 485 hp just had a short block with cams done everything was fine about 5000miles notice some smoke when starting the truck now after it sits I have what I believed to be oil coming out… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
350 satisfied customers
I am using 2 quarts of anti-freeze a day in a 2016 Kenworth
I am using 2 quarts of anti-freeze a day in a 2016 Kenworth with a Cummins 550 ISX. Checked the EGR cooler and both sides of the turbo and … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,201 satisfied customers
I have a 2013 Kenworth with Cummins ISX 15 450. Truck has
I have a 2013 Kenworth with Cummins ISX 15 450. Truck has been pushing coolant out overflow I did the water bottle test from over flow hose and seen air bubbles and mechanic has done combustion test s… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,201 satisfied customers
I have cummins isx 550 and code is active spn 1569, 2016
Hello I have cummins isx 550 and code is active spn 1569 … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
Coolant coming in intakes 123 front being 1. not the egr its
coolant coming in intakes 123 front being 1. not the egr its caped. not head gasket it was new. No signs of coolant getting passed gasket it upon inspection after removing head. no pressure in coolant… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Second opinion] I have a 2011 Kenworth with Cummins ISX
Second opinion] I have a 2011 Kenworth with Cummins ISX engine in it. In August 2016, head gasket blew and we had it replaced. Truck worked fine up until about a few weeks ago. We noticed the engine w… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,171 satisfied customers
I have an 08 Volvo with an isx that is going through a
I have an 08 Volvo with an isx that is going through a gallon of coolent every 60 mi can't see anything going out the stack EGR cooler is blocked off dpf is deleted. There is coolent vapor in the cran… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,201 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
7,210 satisfied customers
I have a 2005 Dutch Star 40' Motor Home with a Cummins 370
I have a 2005 Dutch Star 40' Motor Home with a Cummins 370 ISL ENGINE - I have oil in the water. Spartan dealer just installed a new oil cooler. Is my oil cooler water cooled or air cooled? … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,413 satisfied customers
Phillip here. Got a 06 Cummins isx. Getting coolant steam
Phillip here. Got a 06 Cummins isx. Getting coolant steam out the stacks. Engine has 60000 on overhaul. Just replaced the head and head gasket again about 10000 ago. It blew the head gasket. Now its s… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,201 satisfied customers
I have a 2010 Kenworth T2000 with a Cummins Motor, I am
I have a 2010 Kenworth T2000 with a Cummins Motor, I am noticing my coolant burning and getting low everyday and smoke coming out of the oil filler cap from the coolant burning. What is causing this a… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,893 satisfied customers
2007 Volvo 670, Cummins engine 425 hp, We keep getting check.oil
2007 Volvo 670, Cummins engine 425 hp, We keep getting check.oil ALERT...TA was changing sensors...made mistake by putting oil sensor in to fuel sensor place... Now after they fixed that for 2 months … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,431 satisfied customers
I have a '07 cummins 400 isx. It builds up 25 lbs. plus pressure
I have a '07 cummins 400 isx. It builds up 25 lbs. plus pressure in the radiator reservoir and it blows antifreeze out. I replaced the air compressor and egr cooler and it still does the same thing. T… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,413 satisfied customers
I am working on a 2010 w900 kenworth with an isx. It is using
I am working on a 2010 w900 kenworth with an isx. It is using about one to two gallons of coolant per week. It does not appear to be leaking anywhere on the engine or truck heating system. I pressuriz… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,201 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

4,201 satisfied customers

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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