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
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High School Diploma
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I have a 5.9 cummins in motorhome. Air compressor is not
Second opinion] I have a 5.9 cummins in motorhome. Air compressor is not supplying enough air for brakes. I rebuilt air dryer and drained tge tanks so far. … read more
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Andy
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Im having to replace air compressor on 2000 Cummins ISM
Im having to replace air compressor on 2000 Cummins ISM engine and am needing information on the procedure including fuel pump removal and installation … read more
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It has a severe amount of blowby. 2006 ism egr. Nothing yet
it has a severe amount of blowby JA: What's the make/model/year of your truck? Engine type? Customer: 2006 ism egr JA: Are you fixing your truck yourself? What have you tried so far? Customer: Yes,not… read more
cumminsdr
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Need OEM ECU plug pinout diagram for 2000 Peterbuilt mod.320
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Very loud hissing sound and loss of power and black smoke .i
Second opinion] Very loud hissing sound and loss of power and black smoke .i have checked all the plumbing on the turbo can not find any leaks … read more
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How do I reset the coolant light on my Peterbilt 365 with
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timdieseltech
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2012 chevy g series Cummins Engine morning im looking for
Second opinion] 2012 chevy g series Cummins Engine morning im looking for torque specs and adjustments specs for valves and injectors… read more
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I got a Cummins ism and low coolant level alarm keeps on
I got a Cummins ism and low coolant level alarm keeps on going off I replaced the sensor but same problem I was told there's a module for the sensor but I can't seem to find it … read more
Eddy
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I have a 2008 cummins ISM 350 that will crank but will not
I have a 2008 cummins ISM 350 that will crank but will not start. Cranking fuel pressure is 18 psi with new cummins reman pump. I have no CEL and no codes. It will start with starting fluid and runs f… read more
Andy
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Are you familiar with ism cummins, Don't have serial number
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2010 peterbilt 397 cummins isx, truck is not building
truck is not building pressure at iddle not even if i hit the gas pedal i replace the air dryer witha new one, replace the hose line on the air governor and the discharge line also … read more
cumminsdr
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I have a 2008 Peterbilt with a C15 Acert. Since owning it
I have a 2008 Peterbilt with a C15 Acert. Since owning it for three years now I have had to put 6 air compressors on it due to oil coming out the air dryer. I want to know how to solve this problem… read more
spankyjr1
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I have an ISM in a 2000 Volvo which is blowing/bubbling
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Wayne
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2000 ISM400 turbo #35000163. Suddenly developed enough crankcase
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cumminsdr
cumminsdr
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I have a Paccar/Cummins PX8/ISC motor that wont build air. I
I have a Paccar/Cummins PX8/ISC motor that wont build air. I have changed the air dryer filter, the air governor but still builds air real slow. I was going to put a new compressor on. Is there anythi… read more
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Vocational, Technical or Trade Scho
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i have a 2005 ism cummins with egr. It seems to have an excessive
i have a 2005 ism cummins with egr. It seems to have an excessive amount of blowby, but I do not have a monometer to test it for sure. I have put a new rocker box on the engine and done injector kill … read more
spankyjr1
spankyjr1
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Vocational, Technical or Trade Scho
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I am working on a 05 IH 8600 with what looks like a cummins
I am working on a 05 IH 8600 with what looks like a cummins m11 with egr. When the air compressor cuts out and purges the air drier the engine makes this loud high pitch noise by the intake manifold w… read more
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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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