Why does the ECM keep the fan on?
the best thing is take it to the dealer have them hook it up and see why the ecm is holding the fan on. The ecm sends power to the solenoid to shut the fan off. Dont rule out the a/c if the expansion valve gets pluged it will hold pressure for a long time which can keep the fan on. tkilby Thanks this. Having a great time with TMC.
How often does the engine fan stay on?
Discussion in ‘ Trucks [ Eighteen Wheelers ] ‘ started by tkilby, Jun 23, 2010 . 05’ Pete 379 with a Cat ACERT: The last few day’s the engine fan has been staying on 90 % of the time. The air solenoid on the firewall has no power and the manual rocker swich has power only on one side “the yellow/orange wire”.
Why does my engine fan keep coming on when the a / C is off?
You could have a bad high press switch on the A/C. Thats the swtich that will turn the fan on when the A/C is on and say your not moving to get air flow. Unplug the swtich and put a jumper wire on it and if the fan stops you found your porblem. They can go bad and make the fan stay on even with the A/C off.
How to troubleshoot a C13 or C15 engine?
A.Crank the engine and observe the engine speed on the Cat ET status screen. Refer to Troubleshooting, “Speed/Timing – Test” for additional information. Upon initial cranking, the status for engine speed may indicate that the engine speed signal is abnormal.
Is there a 2001 cat C12 engine for sale?
2001 CAT C12 used diesel engine for sale . 410 HP, tested and inspected with warranty. Call or visit website for more info! We’re sorry, we could not issue pre-approval based on the information provided.
How many horsepower does a C-12 cat engine have?
C-12 Cat Engine. 445 HP. Fresh Reman – Complete out of frame major. New head, New Turbo, New oil pump, New water pump, New fuel pump, New injectors, New air compressor, & Reman Jakes. Engine ha… See More Details