Input Shaft Seal and Front Output Shaft Seal Installation

WARNING: This page is about a different car, the 2014 GMC Yukon XL 1500, 2014 GMC Yukon, 2014 Chevrolet Tahoe, and 2014 Chevrolet Suburban 1500. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Transfer Case Assembly, Input Shaft Seal & Front Output Shaft Seal

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Transfer Case Input Shaft Seal Procedure Use the DT-50648-A or J-42738 for all 2007-2010 applications and 2011 and later on NQH, NPO and LD NQG applications. Use the DT-50648-A or J-36183 and J-36184 for all 2011 and later NQF and HD NQG applications. NOTE: Ensure the bore of the front case half is free of dirt, oil, and cleaning solvent. Double lip input shaft oil seals are used on applications with a WET adapter cavity and with 4 speed transmission RPOs M30/M70/MW7/M99/ML9 only. Single lip input shaft oil seals are used on applications with a DRY adapter cavity and with 6 speed transmission RPOs MYC/MYD only, and are to be installed with the spring portion of the seal facing inward towards the internals of the transfer case. Special Tools DT-50648-A Seal Installer J-36183 Input and Output Shaft Press Tube J-36184 Press Tube Reducer J-42738 Seal Installer
2	Transfer Case Front Output Shaft Seal Special Tools DT-50649 Seal Installer J-8092 Driver Handle
3	Transfer Case Front Output Shaft Oil Slinger - Model Dependent Procedure The new design front output shaft oil slinger can be installed onto all current and prior model year Magna NQF, NQG, NQH, and NP0 applications providing the new design front output shaft is also installed. Refer to New Product Information . Special Tools J-8092 Driver Handle DT-50649 Seal Installer
4	Transfer Case Assembly Procedure Remove from J-3289-20 Holding Fixture and remove the J-45759 Assembly Fixture from the transfer case. Special Tools J-3289-20 Holding Fixture J-45759 Assembly Fixture