Fig. 113: Identifying Transfer Case Retaining Bolts
Courtesy of GENERAL MOTORS CORP.
NOTE:
This component is made of magnesium. Proper assembly is required to
prevent damage. Ensure the magnesium transfer case housings are
properly insulated from all external steel components, or galvanic
corrosion will occur. New nylon coated case bolts and aluminum washers
must be used. Use only aluminum fill and drain plugs. Use only aluminum
brackets under the case bolts. Ensure new seals are installed that have a
2004 Hummer H2
2004 DRIVELINE/AXLE Transfer Case - Overhaul - BW 4482-NR4