Quote:
Originally Posted by ccooper
I now have another issue to add to my litany of starting problems. My starter motor attempts to spin, but makes a loud "GA-CHUNK" sound and stops, almost as if the flywheel was frozen.
There are two things it seems it could be to me. I do have a cracked head, leaking coolant. First is the cylinders could be rusted. The second is the water vapor has fouled and plugged the catalytic converter. However, aside from the coolant loss, the car has run flawlessly and with no lack of power.
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Coolant is leaking into one cylinder while it's sitting. It doesn't take much coolant to stop rotation of the engine on the compression stroke..........there's not a lot of volume in there. The coolant will eventually drain through the ring end gaps if under compression..........and hence the reason that you can eventually start it.
I'd guess that you never see this problem unless the vehicle sits overnight..........correct?
If you had a starter problem, you'd see the issue on more frequent occasions.