Rear Extension Housing Installation - RPO MH4

Fig 1: View Of Rear Extension Housing-To-Transfer Case Seal

Courtesy of GENERAL MOTORS COMPANY

1. Install a NEW rear extension housing-to-transfer case seal (1).
2. Install the rear extension housing onto the transfer case housing.
Fig 2: Locating Transfer Case Rear Extension Housing Bolts
Courtesy of GENERAL MOTORS COMPANY
CAUTION:

Refer to Fastener Caution .

3. Apply threadlock to the threads of the NEW transfer case-to-rear extension housing bolts. Refer to Adhesives, Fluids, Lubricants, and Sealers .
4. Install the NEW transfer case-to-rear extension housing bolts (1).
   1. Tighten the 10 transfer case-to-rear extension housing bolts (1) a first pass to 25 N.m (18 lb ft).
   2. Tighten the 10 transfer case-to-rear extension housing bolts (1) a second pass to 130 degrees.