Chief_Handy
OBS Enthusiast
Hey guys I've replaced the fan clutch the water pump and the t stat. The fan still won't disengage. I don't know why that fan would be spinning all the time following the RPMs engine.
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Exactly.As has been said multiple times, the typical fan clutch will ALWAYS seem to be engaged, even when it isn't. Folks THINK it's spinning fast, moving a lot of air...
...because they haven't seen it or heard it when it's ACTUALLY engaged.
If you've ever had one lock-up, you'll know how much air they can move. You'll see Dorothy and Toto fly past, and the fan howls like a dog baying at the moon. Fuel economy drops, power is noticeably down.
Never noticed that unless the coolant is hot and the PCM is pulling a ton of timing.Exactly.
And no acceleration power from a stop. Like absolutely none lol
Never noticed that unless the coolant is hot and the PCM is pulling a ton of timing.
I've had two locked-up fan clutches. '76 Chevy Nova 350 4bbl., and '03 Trailblazer 4.2L inline six. When the clutch locked, power dropped dramatically, even from cold. The power consumed by spinning the fan is more than I'd have thought a fan belt would transmit.Never noticed that unless the coolant is hot and the PCM is pulling a ton of timing.
As has been said multiple times, the typical fan clutch will ALWAYS seem to be engaged, even when it isn't. Folks THINK it's spinning fast, moving a lot of air...
...because they haven't seen it or heard it when it's ACTUALLY engaged.
If you've ever had one lock-up, you'll know how much air they can move. You'll see Dorothy and Toto fly past, and the fan howls like a dog baying at the moon. Fuel economy drops, power is noticeably down.