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I have a 2004 Cummins ISX with about 956000 miles on it. I
I have a 2004 Cummins ISX with about 956000 miles on it. I was wondering if switching to synthetic motor oil would help this old engine?… read more
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this truck has no power and wil go only about 25-30 miles an
this truck has no power and wil go only about 25-30 miles an hour,but after it gets up to temp, it runs normal.this viscosity sensor above the regulator. is this just a drilled passage or a screwed in… read more
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I am looking at buying a ford cf8000 with 8.3L cummins and
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Very quick no warning, often #1 or #2con rod thru block, cummins says
We have 24 champion graders with the m11 engine& have had 9 catastrophic failures starting at around 5500 hours up to 9500 hours. Very quick no warning, often #1 or #2 con rod thru block, Cummins says… read more
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fine the next it had started missing..steady miss at all rpms.
I have a 2003 FL with a 12.7 detroit. We were moving hay out of a field and one load it was fine the next it had started missing. It is a steady miss at all rpm's. I bought the truck used and dont kno… read more
FIX-IT
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motor coach with a 1007 m11 with 91,000 miles..sounds good
I am looking at a motor coach with a 1007 M11 with 91,000 miles. it has had little use for about 2 years. It seems to have been well taken care of and runs and sounds good. The crankcase blow by breat… read more
DR.Cummins
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Mirage: cummins..alternator, ECM, 4 new air bags..water pump..clutch
Hello, we are looking at buying a prime mover, it has a cummins M11 motor in it, 400hp. the truck has had new starter, alternator, ECM, 4 new air bags,compressor, fuel pump,water pump, timing cover ga… read more
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Ok, i got a N14, 525 recon engine, I put #6 injector..knock..winter
ok, i got a N14, 525 recon engine, I put #6 injector in about 1 year ago, I got a hollow metallic knock. (kinda like when you 1st start it up on a cold winter day). sounds like an injecyor to me, but … read more
DR.Cummins
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Cummings..antifreeze..a quart in one thousand miles
i have a truck with a m11 cummings engine and it is throwing out a small bit of antifreeze. about a quart in one thousand miles… read more
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000 miles..it need an engine rebuild or is it..motors
hello i,m thinking of buying a truck from usa the particular truck has a cat c12 engine that has done 640,000 miles what sort of condition would the engine be in, would it need an engine rebuild or is… read more
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Freightliner..a 370hp Cummins M11 with 350,00 mls on it..known issues
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cummings..vin..241 and why it keeps shutting down on the road..diagram
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Hey Tm I've got a school bus with a Cat 3208T, and in the last little while i've been going through a lot of trouble with that engine. now the mechanics are telling me that i have blow-by and that i'm… read more
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C15: The owner says he changes the oil every 10k and believes he
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oil preasure on an m11 cummins..thousand miles..jumps..positive cables
sometimes i can get oil preasure on an m11 cummins and sometimes i don't when i do get the oil preasure it will hold and no problems for a thousand miles, i can turn the engine over sometimes and it w… read more
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Rebuilt..head gasket..We had to replace cam, crank, bearings, etc
I have a c-12 cat engine that I just rebuilt because the head gasket was leaking water into the oil. We had to replace cam, crank, bearings, etc. The engine was full of slime when we took it apart. No… read more
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Meet the Experts:

Chris (aka - Moose)

Chris (aka - Moose)

Technician

127 satisfied customers

24 years of experience diagnosing & repairing

Tim

Tim

Foreman

338 satisfied customers

23 Years Heavy Equipment and Truck Repairs Shop and Field in the Minning and Construction Industry

Cat Man

Cat Man

Caterpillar Engine Expert

3,777 satisfied customers

23 Years Caterpillar Engine experience.

Wayne

Wayne

Journeyman

17,501 satisfied customers

34 years experiance as engine rebuild and problems.Thermo-King repair and trouble shooting.

DR.Cummins

DR.Cummins

FIELD SERVICE TECHNICIAN

2,389 satisfied customers

16 Years working on Cummins Diesel engines,

Curtis B.

Curtis B.

service manager

2,375 satisfied customers

30 years exp. with diesel engines, heavy equipment and forklifts, including lp forklifts

Don

Don

Mechanic

553 satisfied customers

35 years experience journeyman mechanic transport truck and trailer including off road equipment

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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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