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My freightliner Classic with cat 6nz fan won't come on
My freightliner Classic with cat 6nz fan won't come on automatically I have to manually turn on from fan switch on the dashboard … read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have Cummins isx15 in a kenworth. The oil is hitting 250.
I have Cummins isx15 in a kenworth. The oil is hitting 250. I changed the oil thermostats and coolant thermostats. What's the next step? The only other thing done to it that I don't think related is t… read more
cumminsdr
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I read your response to several questions and you clearly
Hello I read your response to several questions and you clearly are very knowledgeable. I have a question I believe you could help me with. I'm getting yellow engine light on dash 2013 Freightliner Ca… read more
Daniel Wilson
Daniel Wilson
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Peterbilt387, yr 2007. air conditioner problems. air vent is
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Andy
Andy
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2005 kw w900 with an isx cummins and some times come the
2005 kw w900 with an isx cummins and some times come the protection engine light … read more
Wayne
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I have a 2001 Kenworth T2000 with C15 Cat engine. What could
I have a 2001 Kenworth T2000 with C15 Cat engine. What could cause the engine coolant temp gauge and oil temp gauge to constantly read 200 deg?… read more
Jeremy
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Looking for the "CAT MAN" We have a driver here with a c15
Looking for the "CAT MAN" We have a driver here with a c15 accert. He singled out the turbos a while back and has had a bunch of work done to it. Its pushing out around 900H.P. This was all done a few… read more
Cat Man
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2003 kw w900..overheated and blew a rad hose..I shut it down
2003 kw w900..overheated and blew a rad hose..I shut it down b4 the computer did..let it cool..fixed rad hose and filled with water..on attempting restart it did not fire up...sounded like needed prim… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Have a c15acert cat engine! It runs HOt does not use water
Have a c15acert cat engine! It runs HOt does not use water doesn't use oil ! Have cleaned all rads,air to air, air conditioners, changed thermostats , water pump , checkout all hoses for blockages, ad… read more
Cat Man
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My c15 temperature gauge says that the engine is running
My c15 temperature gauge says that the engine is running around 220 degrees and the cooling fan is running all the time. But I can touch the engine and it doesn't feel hot, also the heater isn't very … read more
Cat Man
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Im working on a 2006 T800 Kenworth with a ISX Cummins engine
I'm working on a 2006 T800 Kenworth with a ISX Cummins engine in it, the problem is the oil pressure is low, when you first start it the pressure is about 45, if you rev it up it doesn't really go up … read more
spankyjr1
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kenworth 660 with an acert cat c15, has engine coolant and
kenworth 660 with an acert cat c15, has engine coolant and oil temp jump up intermintantly, followed by shutdown, engine does not have an actual oil temp sensor in it, the dash gauges are all multiple… read more
Cat Man
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I am working ona1997 W900 Kenworth with a N-14 celect plus
I am working ona1997 W900 Kenworth with a N-14 celect plus engine. The engine fan will work with with manual switch but will not come on automaticly with a/c or temp. I need a schematic of the manual … read more
spankyjr1
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Vocational, Technical or Trade Scho
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Hello, I have a Freightliner columbia 07 detroit 60 14.0l .
Hello, I have a Freightliner columbia 07 detroit 60 14.0l . My water gauge keeps dropping down to a 100 stays there for a while then goes back up to normal. Then goes down to 150 stays there and drops… read more
spankyjr1
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How does unhook in discharge line on air compressor let u know
How does unhook in discharge line on air compressor let u know is compressor is pumping air in cooling system on a c15 compressor still pumps just don't charge system… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a 2005 Cat c15 in a 2005 Kenworth T800. I has been running
I have a 2005 Cat c15 in a 2005 Kenworth T800. I has been running perfect with great fuel mileage. I had a PM done a few weeks ago and we alo had to replace the water hose located behind the Fuel cool… read more
Cat Man
Cat Man
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2005 fm1j overheating on pulling up hills I have changed radiator
2005 fm1j overheating on pulling up hills I have changed radiator fan hub thermostat coolant and just rebuilt fuel injectors but still getting hot motor has done 15000 hrs but still goes well… read more
spankyjr1
spankyjr1
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Vocational, Technical or Trade Scho
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I have a Pete 387 cat 435 c15 with 608000 miles my oil temp
I have a Pete 387 cat 435 c15 with 608000 miles my oil temp gauge is running 210/220 with fan running my hoses running across valve cover is melting what is causing this to happen… read more
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Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

2,803 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,530 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

2,892 satisfied customers

worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

Certified Truck/Bus Technician

2,243 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

cumminsdr

cumminsdr

Mechanic

1,351 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

32,980 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

dieseldan55

dieseldan55

Contractor

74 satisfied customers

Road Service mechanic for Volvo Construction.

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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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