53. Transmission Fluid Filler Tube Plug and Transmission Case Locating Pin Replacement

Transmission Fluid Filler Tube Plug and Transmission Case Locating Pin Replacement

Special Tools

J 43780 - Transmission Case Locating Pin Installer

For equivalent regional tools, refer to Special Tools (Allison - Automatic Transmission).

Transmission Case Fill Plug Replacement




1. Remove the fill tube plug (1).
2. Remove the fill tube seal (2).
3. Install the fill tube seal (2) into the transmission case.
4. Align the tab on the fill plug (1) with the tang on the transmission case.
Note: The fill plug retaining tab snaps into place over a tang on the transmission case.

5. Install the fill plug (1) into the fill tube seal (2).
6. Press the fill plug down until the retaining tab locks into place.

Transmission Case Locating Pin Replacement





Caution: DO NOT mar the transmission case surface when removing the locating pin. An unmarred surface is required to maintain the seal between the low and reverse clutch housing assembly and the transmission case.

Note: Do not replace the transmission case locating pin unless the locating pin is damaged.

1. Remove the locating pin (1) from the rear surface of the transmission case.
2. Install a new locating pin (1) into J 43780 - installer (2).
3. Using J 43780 - installer (2), drive the locating pin until seated.

Make sure the locating pin is installed to a height of 20.80-21.20 mm (0.819-0.835 in) above the transmission case rear surface.