Engine Block - Bottom View

WARNING: This page is about a different car, the 2007 Isuzu i-370, 2007 GMC Canyon, and 2007 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Engine Block - Bottom View

Courtesy of GENERAL MOTORS CORP.

Service Hole Location	Thread Size	Drill	Counterbore Tool	Stop Collar	Tap	Driver	Insert	Drill Depth (Max)		Tap Depth (Min)
J 42385-400								mm	(in)	mm	(in)
1	M 10 x 1.5	417	n/a	n/a	418	419	420	49	1.93	42	1.655
2	M 8 x 1.25	206	207	n/a	208	209	210	30	1.182	25	0.985
3	M 10 x 1.5	417	n/a	n/a	418	419	420	30	1.182	25	0.985