Lower Crankcase - Back View

Fig 1: Locating Bolt On Lower Crankcase - Back View

Courtesy of GENERAL MOTORS CORP.

Service Call Out	Thread Size	Insert	Drill	Counterbore Tool	Tap	Driver	Drill Depth (Maximum)		Tap Depth (Maximum)
J 42385-850							MM	(IN)	MM	(IN)
1	M10 x 1.5	215	211	212	213	214	29.5	1.161	THRU