Medium and Heavy Trucks

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I have a cummins isx cm871 im getting oil in coolant even
i have a cummins isx cm871 im getting oil in coolant even when engine is off it consume coolant also on the exhaust manifold i fount oil coming out of the exhaust manifold what can cause the problem … read more
SeanM
SeanM
Fleet Maintenance Manager
High School Diploma
10 satisfied customers
Is yellow color in the radiator fluid test for Nox a SURE
Is yellow color in the radiator fluid test for Nox a SURE sign of a broken head gasket … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,296 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
430 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
4,296 satisfied customers
Isx 550 / 600,000 miles using water and psi in the over flow
isx 550 / 600,000 miles using water and psi in the over flow task … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,296 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
4,296 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
4,296 satisfied customers
I had a cummins isx 2009 in my shop Was building pressure
I had a cummins isx 2009 in my shop Was building pressure into 19 psi in coolant Check the egr cooler ok, did the combustion in coolant test Liquid turned blue to green Pull out the cylinder head And … read more
Roy Belding
Roy Belding
7,581 satisfied customers
I have this isx 2009 Building up pressure up to 18 psi and
I have this isx 2009 Building up pressure up to 18 psi and it's loosing coolant one gallon every trip Checked the egr cooler - ok Did the compression test with liquid It's turning green from blue whic… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
I have a 2004 cummins isx 450 it is pushing coolant out of
hi i have a 2004 cummins isx 450 it is pushing coolant out of reservoir tank, pressurizing the system and the coolant is foaming like someone dump soap in it. I did a combustion gas test with a kit I … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,296 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
4,737 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
4,296 satisfied customers
I have a Cummins ISX 15. I'm losing about a gallon of coolant
I have a Cummins ISX 15. I'm losing about a gallon of coolant every 2000 miles. I thought it was going out the exhaust via the egr system, but I have water in the oil? Any ideas?… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,296 satisfied customers
2013 peterbilt isx engine cummins losing coolant had it to
2013 peterbilt isx engine cummins losing coolant had it to cummins had egr cooler removed and tested pressure test system still goes down can't see indications of leaks still losing coolant pressure g… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 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
1,571 satisfied customers
Hey, I have a 2008 kw with a isx. Has DPF and EGR. I have
Hey, I have a 2008 kw with a isx. Has DPF and EGR. I have not done any deletes on it (don't really think its worth it). Engine runs great, normal power, never overheats, no excess pressure in coolant … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,296 satisfied customers
I have 2006 ISX and it is pressurizing coolant from the filler
I have 2006 ISX and it is pressurizing coolant from the filler side to reservoir side and then pushes it out the hose I did combustion test and lab sample and coolant is clean put new compressor on EG… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,296 satisfied customers
I Have a Isuzu Damp Truck (Diesel) 6HH-1, and the coolant is
I Have a Isuzu Damp Truck (Diesel) 6HH-1, and the coolant is pushing out of the Reserve Bottle, what is the Problem… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,296 satisfied customers
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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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