Crankcase torque spec

squelchy451 · 05-04-2022, 02:38 PM

I was an idiot and removed one of the crankcase bolts instead of the one holding up the water pump (as well as one of the AC Compressor bolts). The AC compressor bolts I can easily get but not the crankcase bolts...I ended up getting a full set of those bolts.

Does anyone know what the torque spec would be? It came out pretty easy so I might just snug it up and check on it periodically

hassmaschine · 05-04-2022, 04:28 PM

you will need a new bolt - these are TTY bolts, so you can't re-use them.

I don't know it off the top of my head, but it will be an nominal torque value first (to start the stretch) and then 1 or 2 additional angle turns to set the final bolt stretch.

the bottom half of the block supports the crank so it's a pretty important bolt.

05-04-2022, 02:38 PM	#1
squelchy451 Enlisted Member 41 Rep 34 Posts Drives: fast Join Date: Oct 2016 Location: Los Angeles iTrader: (0)	Crankcase torque spec I was an idiot and removed one of the crankcase bolts instead of the one holding up the water pump (as well as one of the AC Compressor bolts). The AC compressor bolts I can easily get but not the crankcase bolts...I ended up getting a full set of those bolts. Does anyone know what the torque spec would be? It came out pretty easy so I might just snug it up and check on it periodically
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05-04-2022, 04:28 PM	#2
hassmaschine Major General 3989 Rep 7,212 Posts Drives: "NBO" 330i Join Date: Jun 2014 Location: earth iTrader: (0)	you will need a new bolt - these are TTY bolts, so you can't re-use them. I don't know it off the top of my head, but it will be an nominal torque value first (to start the stretch) and then 1 or 2 additional angle turns to set the final bolt stretch. the bottom half of the block supports the crank so it's a pretty important bolt.
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