Quote:
Originally Posted by GP67
Been busy.
I pulled the valve cover and the timing chain is loose to the point I can lift it up off the sprocket teeth. Droops below the top chain guide say 1/2 inch or so.
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That can't be good.
Quote:
Originally Posted by GP67
The next thing I'm going to is:
(And correct me if I'm doing anything wrong plz).
1. Check for loose rockers.
2. Turn the crankshaft to put cylinder #1 at TDC which will close both the intake and exhaust valves.
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Only if you are at TDC Compression. TDC Exhaust will assure both valves are slightly open.
Quote:
Originally Posted by GP67
3. Add air pressure through spark plug orifice and check for air at the throttle-body and exhaust.
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And check the radiator for bubbles, and check the valve cover for excess blow-by.
An actual leakdown tester will put numbers to the cylinder leakage. If you've used the leakdown tester on "known-good" engines, you'll have a guide to what's acceptable leakage, and what's excessive. Rings always leak. Valves, castings, and gaskets shouldn't.