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SMU - Revised Wheel Drive Shaft Nut Torque Specification

Subject:Revised Wheel Drive Shaft Nut Torque Specification

Models:2002-2004 Cadillac Escalade, Escalade EXT
2003-2004 Cadillac Escalade ESV
1999-2004 Chevrolet Silverado
2000-2004 Chevrolet Suburban
2002-2004 Chevrolet Avalanche
2003-2004 Chevrolet Astro, Express
1999-2004 GMC Sierra
2000-2004 GMC Yukon, Yukon XL
2003-2004 GMC Safari, Savana
2003-2004 HUMMER H2



This bulletin is being issued to revise the torque specification for the wheel drive shaft nut in the Wheel Drive Shafts sub-section of the Service Manual. Please replace the current information in the Service Manual with the following information.

The following information has been updated within SI. If you are using a paper version of this Service Manual, please make a reference to this bulletin on the affected page.

The torque specification for the wheel drive shaft nut has been revised as shown in the table below.

Model Year

Model(s)

Revised Specification

SI Documents Affected

2002-2004

Cadillac Escalade, Escalade EXT

240 N·m (177 lb ft)

673317, 673320, 405547, 596638, 875921, 665743, 1368534, 793723, 1297391, 854312, 517002, 290231

2003-2004

Cadillac Escalade ESV

1999-2004

Chevrolet Silverado; GMC Sierra

2000-2004

Chevrolet Suburban; GMC Yukon, Yukon XL

2002-2004

Chevrolet Avalanche

2003-2004

Chevrolet Astro; GMC Safari

235 N·m (173 lb ft)

1462212, 1462214, 1462216, 1462209, 1462197, 1462211

2003-2004

Chevrolet Express; GMC Savana

799062, 833913, 1225934, 1463919, 1225936

2003-2004

HUMMER H2

821237, 1462197, 821253, 797253, 797393