Very interesting info and could be useful to anyone that has a scope and/or high end scanner or Tech 2. Fan Clutch Symptoms of a Locked-in Fan Clutch. Our community has been around for many years and pride ourselves on offering unbiased, critical discussion among people of all different backgrounds. So, youve noticed some, or all, of the symptoms above and think a possible culprit could be a locked-in fan clutch. Solenoid coil / Actuator check - Try rotating solenoid coil / actuator and see if it's stuck 5. If the fan clutch is going bad or has failed, there are a couple of ways you may notice. Found loose internal connections at the harness connector on the clutch and tightened them up a bit. 2 As engine temperature increases, look for a sudden jump in fan speed. The "drive disc" and the "front half" share these closely spaced rings. 39 0 obj <>/Filter/FlateDecode/ID[<343069EB290844C787926BF2F1BCCBDD>]/Index[14 44]/Info 13 0 R/Length 111/Prev 69591/Root 15 0 R/Size 58/Type/XRef/W[1 2 1]>>stream LEARN MORE >>, Cold-Start Disengagement helps engines warm up faster in the cold. One last thing, check the wiring, especially at the clutch connector to ensure there are no broken wires. Then test the fan clutch by giving it a good push. Fan Clutch Failure Modes and Troubleshooting | GMB Blog I only found it while trying to force it to overheat. The engine temp reads a little low all the time, about 2-3 notches below 210. Inside the fan clutch, there is a small reservoir filled with a viscous silicone-based oil. Equally frustrating is diagnosing the fault. Some viscous properties of the fan hub may vary the res )Qo8Ni{Im'Ur$z3-XfLdE1c=e/ n4 a#I63px&LW42C`?c+fO~ lM |}&&`z`x7tv}3l6yUoo7~0EoeYf eh80/ar;)B]T# Due to their control by the engine computer, they don't experience air leaks. Initially I get a Trans Flush at Hello, everyone. By signing up you are agreeing to receive emails according to our privacy policy. Bad Fan Clutch Symptoms - In The Garage with CarParts.com
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