Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
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
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Vocational, Technical or Trade School
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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
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We have another truck issue with the coolant system purging
Hey Mike,We have another truck issue with the coolant system purging out of the pressure relief on the coolant tank. We have read that it could be a few issues. We have replaced the vent cap as a quic… read more
Mike Mcmillan
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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
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I have a 2012 peterbilt 386 w/ isx15. keeps breaking oil
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08 IZ NPR 5.2 vin#***************** Coolant issue; Low
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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
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New head and gasket, new rad, new after market turbo. Truck
New head and gasket, new rad, new after market turbo. Truck is full delete, I'm going through 2 gallons of coolant in a 12/14 hour day. I bypassed def tank, checked compressor, trans and all valves fo… read more
Jeremy
Jeremy
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I have a C15 twin turbo. Blew top radiator hose fixed that.
I have a C15 twin turbo. Blew top radiator hose fixed that. 2 days later my coolant reservoir sprung a leak and I fixed that Saturday. Left back out on Monday and I noticed the weep hole on the water … read more
FIX-IT
FIX-IT
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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
Roy Belding
Roy Belding
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I have Detroit s60 it mixed diesel in the oil panel I takes to the sh
I have Detroit s60 it mixed diesel in the oil panel I takes to the shop they removed all 6 injector and they said number 2 is bad they change number2 and the put the rest back in with new o ring start… read more
Daniel Wilson
Daniel Wilson
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Good afternoon Cat man, I have an 08 KW with a C-15 ESN
Good afternoon Cat man, I have an 08 KW with a C-15 ESN SDP11060. It originally came in with a concern of overheat, customer requests new thermostats and coolant. Upon draining the coolant I found the… read more
Cat Man
Cat Man
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2010 Isuzu nrr, 209,098 miles, came in about month ago for
2010 Isuzu nrr, 209,098 miles, came in about month ago in the exhaust, checked out found main egr cooler was leaking into exhaust. Changed it out with new one, and truck ran fine. Came back a month la… read more
Jeremy
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hello i have C 10 cat in a ford with 780000 miles,stop engine
hello i have C 10 cat in a ford with 780000 miles,stop engine light came on,eng temp was 200deg,check engine,coolant was almost gone,with lot over the coolant bottle,check oil level was about 1/4" to … read more
Cat Man
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I have an International Prostar 2010 truck with cummins ISX.
I have an International Prostar 2010 truck with cummins ISX. When engine warms up, the coolant fluid in the tank starts bubbling like in a jacuzzi and it's not even hot. High pressure builds up in the… read more
Curtis B.
Curtis B.
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Hello, have a new issue 2002 KW T2000 N14 celect plus. Getting
Hello, have a new issue 2002 KW T2000 N14 celect plus. Getting oil into the coolant, replace oil cooler element drain system Did took it for a drive still putting oil in coolant not only that but stil… read more
spankyjr1
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I have a 2005 International w/ DT466E It does not overheat,
I have a 2005 International w/ DT466E It does not overheat, no fuel in coolant no water in oil... but I get a steady stream of air bubbles out of the top return line to the coolant tank... so after ti… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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2006 freightliner, 1FUJA6CK46DV32976, with 14l detroit engine,
2006 freightliner, 1FUJA6CK46DV32976, with 14l detroit engine, columbia. Have had trouble with pushing coolant out the overflow tank. After checking everything we change the head with one directly fro… read more
Daniel Wilson
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Meet the Experts:

Daniel Wilson

Daniel Wilson

11,850 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 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

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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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