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Home >> Chevrolet >> 2016 >> Suburban 3500 HD LT >> Repair and Diagnosis >> Transmission >> Transfer Case >> Transfer Case - Mp 3023/3024 (NQH) - Repair Instructions - Off Vehicle >> Repair Instructions - Off Vehicle >> Transfer Case Assemble (Heavy Duty) >> Input Shaft Seal and Front Output Shaft Seal Installation

Input Shaft Seal and Front Output Shaft Seal Installation

Fig 1: Input Shaft Seal and Front Output Shaft Seal
GM3802308Courtesy of GENERAL MOTORS COMPANY
Input Shaft Seal and Front Output Shaft Seal Installation

Callout Component Name
1 Transfer Case Input Shaft Seal
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
For equivalent regional tools, refer to Special Tools .
2 Transfer Case Front Output Shaft Seal

Special Tools

  • DT-50649  Seal Installer
  • GE-8092  Driver Handle

For equivalent regional tools, refer to Special Tools .
3 Transfer Case Assembly
Procedure 
Remove from GE-3289-20  Holding Fixture and remove the DT-45759  Assembly Fixture from the transfer case.

Special Tools

  • GE-3289-20  Holding Fixture
  • DT-45759  Assembly Fixture

For equivalent regional tools, refer to Special Tools .
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