Rear Case Half
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2005 GMC Yukon XL, 2005 GMC Yukon, 2005 GMC Sierra, 2005 GMC Cab & Chassis Sierra, and 2005 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
- Clean the rear case half in cleaning solvent and air dry.
- Remove the sealer from the case sealing surfaces.
- Inspect the case for being broken or cracked.
- Replace the case if it is broken or cracked.
- Inspect the sealing surfaces (1) for damage.
- Repair small scratches or nicks with a soft stone.
- Inspect the case threaded bolt holes for damage.
- Repair any damaged threads.
- Inspect the oil pump wear sleeve (5) for wear or damage.
- Replace the oil pump wear sleeve if faulty.
- Inspect the front output shaft rear bearing (4) for the following conditions:
- Roughness
- Brinelling
- Pitting
- Replace the front output shaft rear bearing if any of the above conditions are found. Refer to Transfer Case Disassemble and Transfer Case Assemble .
- Inspect the rear output shaft bearing for the following conditions:
- Roughness
- Brinelling
- Pitting
- Inspect the rear output shaft rear bearing for a spun bearing bore.
- Replace the case if a bearing has spun.
- Inspect the rear output shaft rear bearing retaining ring (2) for being bent or twisted.
- Replace a faulty retaining ring.
- Inspect the rear output shaft bushing (3) for scoring or wear.
- Replace a faulty rear output shaft bushing. Refer to Transfer Case Disassemble and Transfer Case Assemble .
NOTE:
Do not nick, scratch or damage the sealing surface. The sealing surface is a machined surface. Damage to the machined surface can cause leakage.