How to play Cat C15 fan clutch and switch?
If playback doesn’t begin shortly, try restarting your device. An error occurred. Please try again later. (Playback ID: -MAQdloCDUYPh8Zn)
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.
Is there a problem with my Cat fan?
A few weeks ago I had a problem with my 97 Volvo 3406E; the fan would not come on. So I put in a switch to turn it on when needed. Now i have this 2002 International with the opposite problem.
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.
What should I do if my fan clutch is not working?
Switch on the A/C and turn it down to the coldest setting. If it fails to cool down after several minutes, or seems to be emitting unusually warm air, there could be a problem. Hold your hand a few inches away from the vent so slight variations in temperature will be more noticeable.
How does a torque limiting fan clutch work?
A torque-limiting fan clutch reacts to engine speed. A centrifugal valve opens to allow the flow of heavy silicone fluid, locking the fan blades to the pulley. At idle and low engine speeds, this fan clutch is fully engaged, gradually disengaging as engine speed increases.
What causes radial streaks in a fan clutch?
Radial streaks are another potential clue—this happens when oil escapes from the clutch and is then blown outward in all directions by the fan. Inside the fan clutch, there is a small reservoir filled with a viscous silicone-based oil. The oil flows to and from the main chamber as engine heat fluctuates, engaging and disengaging the clutch.