Quote:
Originally Posted by cjj737
I have 67 C10 LWB 250 CI.
The other day i was looking at my engine and ujust happened to grab my fan and give it a lil wiggle back and forth in direction of rotation. To my suprise it moved about half an inch in each direction. My guess is that the crank key has sheered and is alowing it to rotate.
Any suggestions.
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so sunday i decided to change water pump and hoses. and find out why my balancer rotates a half an inch each direction. this is what i found..