Transmission Housing And Shift Unit

Fig 1: Identifying Transmission Housing And Shift Unit

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1. Bolt
   • 35 Nm
   • Always replace
2. Left Stub Shaft with Spring
   • Removing and installing, refer to LEFT STUB SHAFT AND SEAL .
   • Differential overview, refer to DIFFERENTIAL OVERVIEW .
3. Locking Ring
   • For the grooved ball bearing/input shaft.
4. Sealing Cap
5. Screw
   • 5 Nm
6. Retainer Plate
   • Secure the sealing cap either with the retainer plate or with the retaining bracket -7-. Refer to Figure.
7. Retaining Bracket
   • Secure the sealing cap either with the retaining bracket or with the retainer plate -6-. Refer to Figure.
8. Stud Bolt
   • 20 Nm
9. Nut
   • 20 Nm + 90° (1/4) additional turn.
10. Bolt
    • Not available on US/Canadian vehicles.
11. Transmission Neutral Position Sensor -G701-
    • Not available on US/Canadian vehicles.
12. Back-Up Lamp Switch -F4-
    • 20 Nm
    • Shortly after series introduction of transmission, with a permanent seal
13. Seal
    • Not on all transmissions.
14. Bolt
    • Always replace, for the correct allocation refer to the Parts Information.
    • There are different bolts and tightening specifications:
      • Internal hex round head = >>through build date August 08 2000<<, aluminum M8 bolt = 8 Nm + 180° (1/2) additional turn.
      • Internal hex round head = >>through build date August 08 2000<<, aluminum M9 bolt = 15 Nm + 180° (1/2) additional turn.
      • Outer hex head = steel bolt = 15 Nm + 90° (1/40 additional turn.
      • Only on aluminum transmissions with M8 aluminum bolts = use steel bolts as a replacement part.
      • Aluminum transmission identification, refer to Fig 2.
      • Replacement steel bolt allocation. Refer to Fig 3.
15. O-ring
    • Always replace
16. Shift Unit
    • Overview, refer to SHIFT UNIT OVERVIEW .
17. Bolt
    • 25 Nm
    • Always replace.
18. Clutch Housing
    • Aluminum (shiny), may be installed only on with a aluminum transmission housing.
    • Magnesium (dull gray), may be installed only with a magnesium transmission housing.
    • Clutch and transmission housing identification. Refer to Fig 2.
    • Disassembly and assembly, refer to CLUTCH HOUSING .
19. Transmission Housing
    • Aluminum (shiny), may be installed only with a aluminum clutch housing.
    • Magnesium (dull gray), may be installed only with a magnesium clutch housing.
    • Clutch and transmission housings identification. Refer to Fig 2.
    • Disassembly and assembly, refer to TRANSMISSION HOUSING .
20. Seal
    • Always replace
21. Oil Drain Plug
    • 45 Nm

Fig 2: Aluminum Transmission Identification

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

An aluminum transmission has a plate -arrows 1 and 2- with "AL Si 9Cu 31 (Fe)-D" written on it.

"AL = Aluminum" ; additional data depends on the manufacturing.

Fig 3: Only on Aluminum Transmissions with M8 Aluminum Bolts = Allocation of Steel Bolts as a Replacement Part:

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

The steel bolts have a different length.

• Only the longer steel bolt can be installed near both alignment sleeves.