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Discussion Starter #22
Bingo

I think Amorget hit the nail on the head - removed the water pump access cover. Chain is on and the pump will turn by hand...sounding like a crank sprocket stripped? Looking like more than I can handle :( ...thanks everyone and I'll keep you posted.
 

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Discussion Starter #24
DaLynda - I'm really sorry to hear that. You are now person #3 (that I know of) that has had that happen to their Kappa recently.

Here was my experience with it: https://www.skyroadster.com/forums/1301841-post26.html

It breaks down what parts I used and what they costed.

Here is another members experience with it: https://www.skyroadster.com/forums/f2/water-pump-issue-95581/

That should give you an idea as to what it costs to get it fixed, either DIY or through the dealership.
Thanks - I really appreciate the clear history that you've laid out for me! I'll keep you posted...bummer no dream cruise this year!
 

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Discussion Starter #25
All - Solstice is back up and running! Did find the crank-sprocket teeth were worn down, and the key for the crank sprocket was bent. Makes me wonder if this is a stick-shift problem?

Anyhow, replaced sprockets on the balance shaft/water pump side of the system, new tension-er, guides and chain. Also replaced the timing chain as a preventative measure since we were so deep into it.

All told ~$750/parts, $600/labor.

Seems to run much smoother, with the balance shafts now lined up correctly! Put ~100 miles on so far and all is well. Really hoping the filter caught all of the debris/chips from the worn sprocket.

Thanks again everyone for help in getting this mystery solved!
 
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