Someone a couple of years ago had left the IP timing pin in and
turned the engine over, shearing a pin or key somewhere.
there is a key on the shaft that the timing advance rides on. The
outside of the advance is the sprocket the timing chain runs on. The
back side of the shaft drives the ip.
At 11:48 PM 4/17/2007, you wrote:
>> I was surprised to find that I could spin the crank even though the IP
>> was locked with the locking pin.
>
> That test may indeed show something that's broken, or it may cause
> something to break. I'd be really leery of using the IP to keep the
> crank
> from turning.
Something's not right. If you had it far enough apart to
swap pumps you should have seen the sheared spline (or
whatever). Could the timer have come apart internally?
-- Jim
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