Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a C-16 Cat engine in a 2002 379 Pete. The engine fan
I have a C-16 Cat engine in a 2002 379 Pete. The engine fan will not come on until the temp reached 225 degrees. I have checked the temp gauge accuracy with a hand held laser heat gun and a digital th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,221 satisfied customers
I have a 2006 Peterbilt 387 Cat C15. The AC is throwing hot
I have a 2006 Peterbilt 387 Cat C15. The AC is throwing hot air. I checked and the AC hose is frozen. Should I close the heat valves? There's 4 of them I think … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 09 Cummins isx just did a complete overhaul and
I have a 09 Cummins isx just did a complete overhaul and just did 1st oil change after 1000 miles and oil pressure is running 30-32 psi under a load. Before rebuild it ran 38-40 psi under load until i… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
417 satisfied customers
My oil temp getting high up 220, I change oil coler still
hi my oil temp getting high up 220, I change oil coler still same … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,221 satisfied customers
I have a 2005 international 9200 isx 435 hp. The average
Hi, i have a 2005 international 9200 isx 435 hp. The average coolant temperature on the gauge is always around 210 degrees even when parked and the engine oil temp is around 160-180, is that normal? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
417 satisfied customers
Can you put acert water pump on single turbo c15. Cat
2001 Pete 379. Wondering if acert high volume pump would better cool my non acert cat… 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
I have a 2006 c-15 cat engine that was parked for about an
I have a 2006 c-15 cat engine that was parked for about an year because of fuel in coolant. Replaced injector cups along with orings and fuel injector orings. No more fuel in coolant Road tested and f… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,221 satisfied customers
CATMAN PLEASE 2006 Pete CAT C15 ACERT the coolant temp gauge
CATMAN PLEASE 2006 Pete CAT C15 ACERT the coolant temp gauge is acting up. seems like when the fan kicks on the guage starts acting up. it starts bouncing around and making the little red light in the… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
C15 cat in 2005 international run hot at 210deg and hoter
c15 cat in 2005 international run hot at 210deg and hoter when in a pull fan will not come on until it gets to 220 de … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,221 satisfied customers
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
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,221 satisfied customers
Hey Cat Man. I have a 2003 pete with a c15 6nz in it. It runs
Hey Cat Man. I have a 2003 pete with a c15 6nz in it. It runs great with no water or oil loss since an out of frame 115,000 miles ago. Since the rebuild it's ran hot. I've replaced the radiator and th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,221 satisfied customers
I have a c15 cat that wont get over 150 degrees. I replaced
I have a c15 cat that wont get over 150 degrees. I replaced both thermostats and seals, bled air from the system, and still have the same problem. It is a single turbo 6NZ motor. Any ideas?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,221 satisfied customers
Hi I got a c-15 twin turbo runnin hot. Not loaded runs bout
Hi I got a c-15 twin turbo runnin hot. Not loaded runs bout 200 to 210 and loaded I have to manually leave the fan on at all times to keep from overheating. I'm using over a gallon of coolant a week b… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,221 satisfied customers
1) I have a 2008 c15 acert with bully dog gt under normal
1) I have a 2008 c15 acert with bully dog gt under normal driving the engine temp runs at 135 pulling hills it will run to 210 and the fan will then kick on (started after engine was rebuilt) 2) also … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,221 satisfied customers
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
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,221 satisfied customers
My c15 misses under a load under 1500 rpm when oil temp is
My c15 misses under a load under 1500 rpm when oil temp is above 200 any thoughts 07 Pete 379… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,221 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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