Engine Block - Rear 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 - Rear 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	10 x 1.5	211	212	n/a	213	214	216	39	1.536	33	1.300
2	10 x 1.5	211	212	n/a	213	214	420	39	1.536	33	1.300
3	6 x 1	201	202	n/a	203	204	205	20	0.788	16	0.630
4	6 x 1	201	202	n/a	203	204	205	20	0.788	16	0.630
5	10 x 1.5	211	212	n/a	213	214	420	39	1.536	33	1.300
6	16 x 1.5	n/a	n/a	n/a	n/a	n/a	n/a	24	0.945	16	0.630
7	10 x 1.5	211	212	n/a	213	214	420	39	1.536	33	1.300
8	10 x 1.5	211	212	n/a	213	214	215	57	2.245	54	2.127
9	10 x 1.5	211	212	n/a	213	214	420	39	1.536	33	1.300
10	6 x 1	201	202	n/a	203	204	205	20	0.788	16	0.630
11	6 x 1	201	202	n/a	203	204	205	20	0.788	16	0.630
12	6 x 1	201	202	n/a	203	204	205	20	0.788	16	0.630
13	6 x 1	201	202	n/a	203	204	205	20	0.788	16	0.630
14	6 x 1	201	202	n/a	203	204	205	20	0.788	16	0.630
15	6 x 1	201	202	n/a	203	204	205	20	0.788	16	0.630
16	10 x 1.5	211	212	n/a	213	214	215	39	1.536	33	1.300
17	10 x 1.5	211	212	n/a	213	214	215	57	2.245	54	2.127
18	10 x 1.5	211	212	n/a	213	214	420	39	1.536	33	1.300