Jump to content
Ultimate Subaru Message Board

1993 Chevy 4.3 Vortec with coolant/water in oil

Recommended Posts

Hey everyone!


Just acquired a 93 Blazer with a 4.3l V6 and its been sitting for a month or two with coolant/water in the oil from either head gasket, cracked head, or intake gasket. But what I want to try and find out is what the best way to flush the oil and get as much water, and maybe rust, out of the engine as I can

Link to comment
Share on other sites

I would just drain it out, leave the plug out while you do your repairs, then refill it and not worry about it.


Its most likely an intake gasket, but you should consider doing the head gaskets while you have it torn down that far. 4.3 heads arent prone to cracking, but do warp sometimes if theyve been real hot, so check for that too.

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.


  • Create New...