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
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
79 satisfied customers
I just bought a 2009 kenworth my temperature gauge reads
I just bought a 2009 kenworth my temperature gauge reads 200-210 but it's on the 3/4 of the gauge at 200 is this truck running hot … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
79 satisfied customers
2008 kenworth dump pulling a slip in engine oil temp goes up
2008 kenworth dump pulling a slip in engine oil temp goes up to 245/250 and water temp to 220/230 engine light comes on and a beeper. Stop the truck let it cool down drive 2-3 miles and then it heats … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
604 satisfied customers
There have a customer with a Cummins ISX motor. It's in a
Hey there have a customer with a Cummins ISX motor. It's in a kenworth Dumptruck. Complaining about fan coming on way too often. The engine number is ***** I have blown out the radiator, updated the e… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
79 satisfied customers
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
Nich1019
Diesel Technician
Vocational, Technical or Trade School
79 satisfied customers
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
TomcM28
Owner
Associates
14 satisfied customers
Truck running too cool. C15 6nz had thermostat replaced.
Truck running too cool. C15 6nz had thermostat replaced. After warmup, takes 20 miles to get temp to 190. Temp drops 15 degrees going thru a small town, then it will pick back up in few miles. At 800 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
2006 kw with cat c13 motor. Today all of a sudden then oil
Good morning. 2006 kw with cat c13 motor. Today all of a sudden then oil pressure is staying at 18 to 21psi loaded and empty. Check engine light comes on and off as well. We just got done changing thr… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 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
10,344 satisfied customers
DO THEY MAKE A COOLER THERMOSTAT FOR A 3116 CAT, I KNOW OEM
DO THEY MAKE A COOLER THERMOSTAT FOR A 3116 CAT, I KNOW OEM IS AT 190 DEGREES, THIS UNIT SEEMS TO RUN WARM WHEN LOADED. MANUAL GAUGE READS UP TO 220, BUT WHEN CHECK WITH HEAT GUN, THAT IS ONLY READY A… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have a Cummins ISX15 built 01/13 in a 2014 Kenworth T660.
I have a Cummins ISX15 built 01/13 in a 2014 Kenworth T660. It's not holding engine temperature. At startup it warms up slow, on a long grade it warms up and runs normal engine temperatures. The heate… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
I have a c10 that is overheating and I believe not
I have a c10 that is overheating and I believe not circulating coolant. I've replaced water pump took thermostat out and flushed radiator. Still getting hot … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 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
10,344 satisfied customers
GA-RP 2005 kenworth t800 log truck with c-15 twin turbo engine.
2005 kenworth t800 log truck with c-15 twin turbo engine. my problem I been haveing is my water temperature, on the flat roads it doesent come to temperature doesn't get more then 50 degres on gauge ,… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 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
10,344 satisfied customers
I have a 2005 Kenworth T800 with a c-15 cat engine. Truck is
I have a 2005 Kenworth T800 with a c-15 cat engine. Truck is overheating, the fan won't kick in and once I switch the fan to manual, the temperature stays high and doesn't drop. I replaced both thermo… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
1999 international 4400 low pro 4 door hauler e530 engine
1999 international 4400 low pro 4 door hauler e530 engine towing a load constant temp of 210 fan kicks in every 1/4 mile changed radiator, water pump, thermostat any suggestions… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
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
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

6,062 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

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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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ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

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Curtis B.

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cumminsdr

cumminsdr

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All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

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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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