What's behind this plug? 2001 4.3L

nola mike · Monday at 2:35 PM

Finally got the flywheel off on my slow motion RMS replacement. Found a plug just above the crankshaft that's ferrous (others on the block were brass already). I don't think its a water passage but want to make sure before I button it back up.

Scott06 · Monday at 2:36 PM

camshaft galley is behind it.

nola mike · Monday at 3:02 PM

Scott06 said:
camshaft galley is behind it.

Cool, that's what I thought. There's one above it as well, couldn't remember which was the cam.

Scott06 · Monday at 3:31 PM

nola mike said:
Cool, that's what I thought. There's one above it as well, couldn't remember which was the cam.

If yours has a balance shaft could be that. Small plugs are for oil galleries

nola mike · Monday at 4:49 PM

Scott06 said:
If yours has a balance shaft could be that. Small plugs are for oil galleries

Yes! That's what that other one is for. Thanks!

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What's behind this plug? 2001 4.3L

nola mike

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