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Fan clutch testing 700 1991

This is part of an attempt to optimized A/C performance.

I replaced the fan clutch after reading that the fan should not be able to spin more that 1 turn CCW when the engine is hot (clutch engaged)

A mechanic at an A/C stuck his finger into the fan while the engine was hot and running the the blades immediately stopped, with only a little resitance, indicated the fan was free wheeling on the shaft but the clutch actually engaging.

Seems to be a lot of different opinions on this which is interesting, but I would find it more interesting if my A/C worked better. ;-)






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