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Good my truck raises its temperature to 240 and the only
good my truck raises its temperature to 240 and the only fault it shows is 110-3. … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
Air clutch fan not kicking on until about 230-240 degrees.
Air clutch fan not kicking on until about 230-240 degrees … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
My abs lite comes on and goes off when push the brake pedal.
My abs lite comes on and goes off when push the brake pedal … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2013 int with max force 13 engine. engine brake
i have a 2013 int with max force 13 engine. engine brake does not work any more after doing head replacment… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
417 satisfied customers
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
Just had my 2006 Cummins isx 565 rebuilt I have 15000 lbs on
Just had my 2006 Cummins isx 565 rebuilt I have 15000 lbs on the deck my oil temp keeps running at 240 to 250 the coolant will jump to 230 to 240 just rebuilt the motor and new radiator and fan and al… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
417 satisfied customers
My engine fan will not turn on. Either with the manual
My engine fan will not turn on. Either with the manual switch or just letting the ecm do it by water temp. I've replaced the fan air solenoid and it still will not engage. Unless I cut the wires to th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,221 satisfied customers
I have a 2003 379 c15 6nz. My oil tempos at 220 with a new
I have a 2003 379 c15 6nz. My oil tempos at 220 with a new teltek gauge and sensor. My water temp shows around 220-225 when working the motor is working hard. I thought it sounds high. Have new thermo… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,221 satisfied customers
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
Cat Engine Expert
Vocational, Technical or Trade Scho
10,221 satisfied customers
Jake works but I have to push the break pedal in order to
Jake works but I have to push the break pedal in order to activate it..it just started doing this. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,221 satisfied customers
I have a2008 Kw vin R935150, Allison automatic. The the
I have a2008 Kw vin R935150, Allison automatic. The the engine will not stop running. Recently it had a delete done on it for the emission controls ( causing it nothing but problems ). The thermostat … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 05 379 I am having problems with the engine not
I have a 05 379 I am having problems with the engine not picking up the throttle position acts like it wants to but just cant. (Sometimes) it acts like it's starving for fuel and starts fluttering and… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Cat man. I have a c15 that will not engage clutch fan when
Hello cat man. I have a c15 that will not engage clutch fan when coolant temp reaches high temp. Fan will come on manually with switch and comes on with a/c. Temps climb to atleast 220. New temp switc… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,221 satisfied customers
2004 Peterbilt 379 w/C15 acert fan will not turn on with
2004 Peterbilt 379 w/C15 acert fan will not turn on with switch in "auto". Gets up to 225-230 with no warning light or buzzer. It just started doing this about a week ago. Prior to that it kicked on a… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,221 satisfied customers
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
10,221 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
Vocational, Technical or Trade Scho
10,221 satisfied customers
Have cruise set fan clutch kicks in cruise shuts down jakes
Have cruise set fan clutch kicks in cruise shuts down jakes won't work. Fan clutch shuts down cruise and jake will work until fan clutch kicks back in. Temp is around 180… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
What should the coolant temp bein a 2004 Pete with a C-15 when
What should the coolant temp bein a 2004 Pete with a C-15 when driving down the road without a load?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,221 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,221 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

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

Jeremy

Jeremy

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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

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All types of Cummins applications

Curtis B.

Curtis B.

Technician

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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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