K 1500 Suburban 4WD V8-6.5L DSL Turbo VIN F (1999)
Seals and Gaskets: Technical Service Bulletins
Transfer Case Outputshaft Seal - Revised Design
File in Section: 04 - Driveline Axle
Bulletin: 00-04-21-001
Date: March, 2000
INFORMATION
Subject:
Revised Transfer Case Front Output Shaft Seal
Models:
1999 Cadillac Escalade with NVG246 Transfer Case (RPO NP8)
1998-99 Chevrolet and GMC C/K Utility Models with NVG246 Transfer Case (RPO NP8)
1999-2000 Chevrolet and GMC Pickup Models (Silverado and Sierra)
with NVG246 (RPO NP8) or NVG261 (RPO NP2) Transfer Case
1999-2000 Chevrolet and GMC Pickup Models (Suburban, Tahoe, Yukon/Yukon XL) with NVG246 Transfer Case (RPO NP8)
INFORMATION
IMPORTANT: Before filling the transfer case, refer to Corporate Bulletin Number 99-04-21-006 for proper fluid usage.
This bulletin contains information regarding a revised transfer case front output shaft seal, P/N 12474947. This new seal replaces P/N 12547656 on the
above listed vehicles, The change in the seal required A change in the tool used to install the revised seal from J 35870 to L43484. Kent Moore shipped J
43484 essential to dealers in September 1999.
Notice: Due to the increased pressure needed to properly install the new seal in the transfer case, always use J 43484 with universal driver handle J 8092.
Failure to do so may result in damage to to seal and or case.
Parts information:
Parts are currently available from GMSPO.
