My elation at being able to hear myself think due to getting the exhaust leak in the Sentra fixed has been dashed by the fact that I can now hear the very prominent rod knock coming from the engine. Lovely. I lack most of the tools and have no garage or driveway in which to do an engine rebuild. Guess the Nissan is getting parked for a while.
My dad parks his cars in the driveway and garage so I can’t use any of those, and in order to fix this I’d have to remove the engine, tear down the engine, figure out what exactly broke (probably a spun cap bearing, could be a main bearing as well), order the new parts, wait for the new parts, install the new parts, put it all back together, and I’m sure there’s probably something wrong with the trans due to the squeal when the clutch is out in neutral.