Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
Kw t370 fan stays on all the tome. 2014 Cummins esn
and no active faults , key on engine off the fan free spins key all the way off locks down soon as you fire truck up fan locks in and stays engaged, with a/c on or with a/c off , Cummins In site says it's in air conditioning state even with the a/c off… read more
Mike Mcmillan
Mike Mcmillan
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Associates
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I have a kw t660 2013 with a Cummins isx, the radiator fan
I have a kw t660 2013 with a Cummins isx, the radiator fan is kicking on all the time when water temp exceeds 181-183 degrees … read more
Andy
Andy
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Vocational, Technical or Trade School
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Just installed a new block 6nz and having trouble finding
just installed a new long block 6nz and having trouble finding the location to a plug. im thinking its coolant temp because the ecm is reading 194 degreees coolant temp at all times. … read more
catmastertech
catmastertech
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02 pete cat c-15 6nz check engine light on flashed 8 now
02 pete cat c-15 6nz check engine light on flashed 8 now wont flash any codes cat et says oil pres sensor voltage high changed sensor twice changed grey wire from sensor to ecm changed ecm did same th… read more
Cat Man
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2000 Internation 9900 A/C doesn't work. Engine fan stays
2000 Internation 9900 A/C doesn't work. Engine fan stays engaged. When A/C works, engine fan disengages and works like it needs to. New expansion valve. New a/c module. Recharged system with 3lb. … read more
Andy
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truck /coach technician
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Catman, Have a problem with a 5EK not starting, not getting
Hey Catman,Have a problem with a 5EK not starting, not getting any engine speed, do not have any engine speed codes, just needing some advice Thanks… read more
Cat Man
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I have a 3406e in a 99 westernstar, im trying to locate the
I have a 3406e in a 99 westernstar, im trying to locate the temp sensor that turns the fan switch on, I replaced the one in the thermostat housing and the fan still will only come on if you manually d… read more
Cat Man
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6nz catepillar where dies ecm read water temperature from
6nz catepillar where dies ecm read water temperature from what sensor readings are changing in cat et when running when off numbers are stable… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a 2005 W900 with ISX 15 engine. The engine fan does
I have a 2005 W900 with ISX 15 engine. The engine fan does not turn off. I can make it shut off by putting power to air solenoid next to heater housing. Also replaced thermostat sensor/switch by therm… read more
Daniel Wilson
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put bxs engine converted t9o 6nz in 97 pete everything seems
put bxs engine converted t9o 6nz in 97 pete everything seems to be fine except the fan let me explain with the engine harness disconnected I have power on both sides of the ac system also both sides o… read more
Cat Man
Cat Man
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Hi can you help to change water pump in cat 3406E? This is
Hi can you help to change water pump in cat 3406E? This is the serial number 2ws37184. Thanks… read more
Cat Man
Cat Man
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Hi catman, I have read several of your replies and I have a
Hi catman, I have read several of your replies and I have a question for you hopefully you can help. I have a 2006 Peterbilt with a 2008 SDP acert engine. I have swapped everything over to 6nz pre emi… read more
Cat Man
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Vocational, Technical or Trade Scho
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I want to put a 6nz engine in a 1981 Peterbilt that has an
I want to put a 6nz engine in a 1981 Peterbilt that has an A model cat engine in it Would you happen to know how much difference there is in the mounting brackets… read more
Cat Man
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Buddy I have a 2004 Freightliner Century 14 liter Detroit
Buddy I have a 2004 Freightliner Century 14 liter Detroit ,The fan was coming on at 205f going off 190 f .Now it comes on at 190 goes off at 180f I HAVE replaced the A\C high pressure switch and the c… read more
Toby
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I have a 98 western star 4900 detroit 60 Fan runs all the
I have a 98 western star 4900 detroit 60 Fan runs all the time, changer both temp and fan sensor in engine low pressure switch on ac and air control switch cleaned connections at both sides of ecm unh… read more
spankyjr1
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I have an 2002 w900 kw with a c15 475 cat motor. 3406. It
I have an 2002 w900 kw with a c15 475 cat motor. 3406. It is loosing boost power suddenly when the check engine light comes on. The code inside the truck reads 102-04. Its reads that the boost sensor … read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a 2001 w900 kw with a c15 475h cat engine. The problem
I have a 2001 w900 kw with a c15 475h cat engine. The problem I'm having is that the fan runs practically all the time. When it does shut off it only stays off for about 10 to 15 seconds and then come… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
10,214 satisfied customers
sensor power feed problem , 5 volt at plug for temp sensor
my fan hub working all time, put power to pin 11 at ecm : fan hub stop....need check :sensor power feed problem , 5 volt at plug for temp sensor but when plug sensor i lost the 5 volt , cat c12 : kent… read more
Cat Man
Cat Man
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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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