Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a 05 or 04 kw t800 my engin fan will not turn off. It
I have a 05 or 04 kw t800 my engin fan will not turn off. It was hooked to a computer and the coolant temp constantly reads 194 on the ecm … read more
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04 peterbilt 379 with c15. Engine fan won't come on unless I
04 peterbilt 379 with c15 . Engine fan won't come on unless I do it manually with the switch in the dash … read more
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Nich1019
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2001 W9 C15 just replaced oil cooler n thermostats driver
Hello 2001 W9 C15 just replaced oil cooler n thermostats driver says should fan kick in without A/C on at 190 degrees fan is not coming in it's about to hit 210 is this normal? … read more
Nich1019
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I got a c15 acert msx and my water cooling temp runs around
Hi I got a c15 acert msx and my water cooling temp runs around 180-190 and pulling hills 200 and my oil temp stays at 225-250 and I pulled my oil cooler to see if wasn't dirty or anything but it's sti… read more
TomcM28
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I need to get the ecm pin number For the wire that sends
Hello again I need to get the ecm pin number For the wire that sends signal to oil temperature gauge… read more
Cat Man
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2004 cat acert c15 Diesel engine over heats only when boost
2004 cat acert c15 Diesel engine over heats only when boost pressure reaches over 30 psi with light loads and 17 psi with heavy loads. No coolant loss or oil. Compression is good on all cylinders. Wil… read more
Cat Man
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I have an 05 western star with a c15 acert,my radiator was
Hi,I have an 05 western star with a c15 acert,my radiator was shot so I changed it and since it's been changed the engine oil temp at idle is 125 and oil pressure is 60 psi. Running down the road it's… read more
Daniel Wilson
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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
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We have a 2005 freightliner M2 in the shop and we have been
HI we have a 2005 freightliner M2 in the shop and we have been fighting the ac system for the past two days now. This truck has an evaporator probe in the evaporator compartment and every time we take… read more
Jeremy
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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
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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
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I have a 2003 Kenworth T600 with a Caterpillar engine. VIN
I have a 2003 Kenworth T600 with a Caterpillar engine. VIN 1XKADB9XX3J705296 Getting code for temp sensor and fan is staying on. Temp gauge in truck is operating properly.Code: MID 128 PID 110 FMI 3 E… read more
Cat Man
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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
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I have a c15 acert and a 2001 c15 single turbo in a Pete can
I have a c15 acert and a 2001 c15 single turbo in a Pete can I swap them and what problems would I have… read more
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my c15 temp guage is readiding 245 on the guage my fan is staying
my c15 temp guage is readiding 245 on the guage my fan is staying on constant andwhen I checkthe temps with a laser thermometer it reads 180 on the radiator and turbos 325 and oil pan 200 im just rese… read more
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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
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Have a 07 Kenworth T800 with a Acert C15 engine. When driver
Have a 07 Kenworth T800 with a Acert C15 engine. When driver pulls a load uphill the oil temp just about reaches the red line. Fan is working and all coolers are free and clear. Last time this happene… read more
Cat Man
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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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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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