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I am looking to add a manual cooling switch if i understand
I am looking to add a manual cooling switch if i understand right to disengage the fan the ecm send 12v to the fan solenoid is this correct … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 04 pete 379 couple years ago it started running
I have a 04 pete 379 couple years ago it started running warmer than normal empty or loaded like it wasn't getting any air but I could flip my fan on and it would cool right back down, so I broke down… read more
james Roberts
james Roberts
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Vocational, Technical or Trade School
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I converted my c15 mxs to a single turbo. got the program to
I converted my c15 mxs to a single turbo. got the program to delete my IVA's. Everything worked well for months then out of nowhere the engine started to derate me whenever I use my eng brake. If I st… read more
Bradey V
Bradey V
Certificate
I have a 05 mxs c15 in a century and I have a coolant sensor
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Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I've got a c15 mbn that will hunt and very in engine rpm
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I have a c15 mbn bridge motor, what can I do to get better
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Kent Van Wagner
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I'm looking for the ECM pin out location and ECMthe wiring
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Daniel Wilson
Daniel Wilson
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I have a cat mbn 525 hp c15 and engine fan is not coming on
i have a cat mbn 525 hp c15 and engine fan is not coming on by itself . it will come on with manual switch and with a/c . tested harness and have 4 volts at sensor and also replaced sensor . also have… read more
Cat Man
Cat Man
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Mbn c15 no power fuel psi at wot 90 psi at idle 80 psi gauge
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Cat Man
Cat Man
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Catman I have Eng sn 6NZ63295. the engine fan is on. I look
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Cat Man
Cat Man
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Working on a 3406e 5ek in 1996 379 pete, eng fan running all
working on a 3406e 5ek in 1996 379 pete, eng fan running all the time, check wiring and fuses and relays all seem to b ok, on the plug that goes on the manual o/r switch in cab all the wires are hot i… read more
Cat Man
Cat Man
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1995 Pete 379 no speedometer Ecm shows the speed on computer
1995 Pete 379 no speedometer Ecm shows the speed on computer cruise works Can't retrieve the distance shows n/a… read more
Daniel Wilson
Daniel Wilson
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1996 Kenworth W900 Fan clutch Problem the high pressure
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Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a 2003 Pete with a C-15 that the ecm ESN doesn't
I have a 2003 Pete with a C-15 that the ecm ESN doesn't match the stamp on the engine. How do i go about changing this? ecm ESN- MBN05367 engine ESN-6NZ20374. I would also like to know the max HP/ tor… read more
Cat Man
Cat Man
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Hello, What's the best way to break in a new c15 engine? Do
Hello, What's the best way to break in a new c15 engine? Do I use any special oil ? Thanks… read more
Cat Man
Cat Man
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Hi cat man I have a 2004 freightliner wit a cat c15 engine Few
Hi cat man I have a 2004 freightliner wit a cat c15 engine Few weeks ago I had a problem the truck switched off the engine and had f8 code and didn't want to switch gears replaced the computer box and… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I am working on a Caterpillar engine, C15 - Sn#6NZ01357. Using
I am working on a Caterpillar engine, C15 - Sn#6NZ01357. Using Cat ET, is there a way to program the temp that the engine cooling fan turns on? Cant get the fan to come on, let the engine get to 215 a… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,251 satisfied customers
I am working on a 379 Pete with a c15. The engine fan does
I am working on a 379 Pete with a c15. The engine fan does not engage when the engine temp rises nor does it engage with the override switch. It does cycle when the a/c is on. The cruise control is al… read more
Cat Man
Cat Man
Cat Engine Expert
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10,251 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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