Ya know the temperature probe in the engine? I gave it a shot when it reached the first mark on the gauge. 183F. Every year I recheck it as an engine replacement is five grand and aluminum cylinder heads are fickle about being roasted.
I sure would pay attention to sjholt's observation about Hayden because a person looking to buy a freezer shouldn't look for reviews emanating from Prudhoe Bay.
"My light bulb failed!"
"Burned out, huh"
"No! It's burning too bright!"
A good fan clutch is not lightweight. It's a taurus and spinning silicone synthetic oil. When it engages fully it spins most rapidly. "The car will go further when starting out with the gas tank almost empty" would be a comparative analogy.
A loss of fluid would make the fan operate erratically spinning more slowly but never more rapidly. A full lock-up failure is so easy to check for. If it won't spin cold, it is seized.
As others have pointed out, uncommonly hot air passing over the bi metallic spring inside the clutch would lock the fan. it is there you start the search. Lock the fan up by running the rig, then shoot the fan clutch. How hot is it?
Is the radiator evenly warm?
I paid almost nine hundred dollars for the Horton (It's OEM) clutch and fan in my rig. Good fan clutches are not cheap. If nothing else WEIGH the OEM and compare it to the HAYDEN.
I can only hope some of this is getting through...
