Engine Block - Right Side View

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Engine Block - Right Side 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)
-								mm	(in)	mm	(in)
1	16 x 1.5	n/a	n/a	n/a	n/a	n/a	n/a	32	1.260	23	0.906
2	16 x 1.5	n/a	n/a	n/a	n/a	n/a	n/a	32	1.260	23	0.906
3	16 x 1.5	n/a	n/a	n/a	n/a	n/a	n/a	32	1.260	23	0.906
4	10 x 1.5	n/a	n/a	n/a	n/a	n/a	n/a	33	1.300	27	1.063
5	16 x 1.5	211	212	n/a	213	214	420	32	1.260	23	0.906
6	10 x 1.5	n/a	n/a	n/a	n/a	n/a	n/a	33	1.300	27	1.063
7	10 x 1.5	211	212	n/a	213	214	420	33	1.300	27	1.063
8	10 x 1.5	211	212	n/a	213	214	420	33	1.300	27	1.063
9	10 x 1.5	211	212	n/a	213	214	420	33	1.300	27	1.063
10	10 x 1.5	211	212	n/a	213	214	420	33	1.300	27	1.063
11	16 x 2	211	212	n/a	213	214	420	24	0.945	16	0.630
12	10 x 1.5	n/a	n/a	n/a	n/a	n/a	n/a	29	1.142	26	1.024
13	8 x 1.25	211	212	n/a	213	214	420	23	0.906	18	0.709
14	10 x 1.5	n/a	n/a	n/a	n/a	n/a	n/a	29	1.142	26	1.024
15	8 x 1.25	211	212	n/a	213	214	420	23	0.906	18	0.709
16	16 x 1.5	206	207	n/a	208	209	210	32	1.260	23	0.906
17	20 x 1.5	n/a	n/a	n/a	n/a	n/a	n/a	29	1.142	26	1.024