Home/GMC/Envoy/GMC Envoy II (2001-2009)/Repair manual/Differentials & Drive Axles/Rear Drive Axle: Specifications

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Rear Drive Axle: Specifications GMC Envoy II

Differentials & Drive Axles

Fastener Tightening Specifications

Application	Specification
Application	Metric	English
Bearing Cap Bolts	75 N.m	55 lb ft
Differential Housing Cover Bolts, 8.0" Axle	30 N.m	20 lb ft
Differential Housing Cover Bolts, 8.6" Axle	25 N.m	18 lb ft
Drain Plug	48 N.m	35 lb ft
Fill Plug	33 N.m	24 lb ft
Pinion Shaft Lock Bolt	36 N.m	27 lb ft
Ring Gear Bolts	120 N.m	89 lb ft

Fastener Tightening Specifications

Differential Adjustment Shim Specifications

Number of Notches		Specification
Inside	Outside	Metric	English
0	3	1.016 mm	0.040"
0	4	1.067 mm	0.042"
0	5	1.118 mm	0.044"
1	1	1.168 mm	0.046"
1	2	1.219 mm	0.048"
1	3	1.270 mm	0.050"
1	4	1.321 mm	0.052"
1	5	1.372 mm	0.054"
2	1	1.422 mm	0.056"
2	2	1.473 mm	0.058"
2	3	1.524 mm	0.060"
2	4	1.575 mm	0.062"
2	5	1.626 mm	0.064"
3	1	1.676 mm	0.066"
3	2	1.727 mm	0.068"
3	3	1.778 mm	0.070"
3	4	1.829 mm	0.072"
3	5	1.880 mm	0.074"
4	1	1.930 mm	0.076"
4	2	1.981 mm	0.078"
4	3	2.032 mm	0.080"
4	4	2.083 mm	0.082"
4	5	2.134 mm	0.084"
5	1	2.184 mm	0.086"
5	2	2.235 mm	0.088"
5	3	2.286 mm	0.090"
5	4	2.337 mm	0.092"
5	5	2.388 mm	0.094"
6	1	2.438 mm	0.096"
6	2	2.489 mm	0.098"
6	3	2.540 mm	0.100"

8.0, 8.6 Inch Axle Differential Adjustment Shims Specifications

Axle Preload and Backlash Specifications

Application	Specification
Application	Metric	English
Backlash	0.08-0.25 mm	0.003-0.010 in
Backlash (Preferred)	0.13-0.18 mm	0.005-0.007 in
Pinion Bearing Preload, New Bearings	1.7-3.4 N.m	15-30 lb in
Pinion Bearing Preload, Used Bearings	1.1-2.3 N.m	10-20 lb in
Pinion and Differential Case Bearing Preload, New Bearings	3.4-6.2 N.m	30-55 lb in
Pinion and Differential Case Bearing Preload, Used Bearings	2.8-5.1 N.m	25-45 lb in

Axle Preload and Backlash Specifications