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Home >> Chevrolet >> 2024 >> Tahoe Commercial, 4WD >> Repair and Diagnosis >> Transmission >> Transfer Case >> Transfer Case - Mp 3025 (NQH) - Description And Operation >> Description and Operation >> New Product Information >> Assembly and Component Identification

Assembly and Component Identification

  1. GM3766505Courtesy of GENERAL MOTORS COMPANY

    Check the transfer case assembly bar code label (1) to determine if the assembly contains first or second design components. Refer to: Magna Transfer Case Bar Code Label and the Production Assembly Breakpoints Table.

  2. GM3766492Courtesy of GENERAL MOTORS COMPANY

    Separate the case halves. Refer to:Transfer Case Disassemble .

  3. GM3766499Courtesy of GENERAL MOTORS COMPANY

    Removethe rear output shaft assembly (1) and the high/low clutch (2).

  4. GM3766509Courtesy of GENERAL MOTORS COMPANY

    Inspect the rear face of the input shaft. (LD)

    A light duty assembly with first design components can be identified by an input shaft with 2 oil drain holes (1) 180 degreesapart.

    A light duty assembly with second design components can be identified by an input shaft with 3 oil drain holes 120 degreesapart.

  5. GM3766512Courtesy of GENERAL MOTORS COMPANY

    Inspect the rear face of the input shaft. (HD)

    A heavy duty assembly with first design components can be identified by an input shaft with 2 oil drain holes (1) 180 degrees apart.

    A heavy duty assembly with second design components can be identified by an input shaft with 3 oil drain holes 120 degrees apart.

  6. Refer to: Appropriate Parts Identification Table.