Assembly and Component Identification

WARNING: This page is about a different variant/trim than selected.

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.

Fig 1: Transfer Case Assembly Bar Code Label
Courtesy of GENERAL MOTORS COMPANY
Separate the case halves. Refer to Transfer Case Disassemble .

Fig 2: Separated Case Halves
Courtesy of GENERAL MOTORS COMPANY
Remove the rear output shaft assembly (1) and the high/low clutch (2).

Fig 3: Rear Output Shaft Assembly And High/Low Clutch
Courtesy of GENERAL MOTORS COMPANY
Inspect the rear face of the input shaft. (LD)

Fig 4: Oil Drain Holes
Courtesy of GENERAL MOTORS COMPANY

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

A light duty assembly with second design components can be identified by an input shaft with 3 oil drain holes 120 degrees apart.
Inspect the rear face of the input shaft. (HD)

Fig 5: Oil Drain Holes
Courtesy of GENERAL MOTORS COMPANY

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.
Refer to Appropriate Parts Identification Table.