Extension Housing

Extension Housing








Special Tool(s)

Disassembly





1. Inspect the bearing cups for wear or damage. Install new cups as necessary.
^ If new bearings were installed on the mainshaft or countershaft, install new bearing cups.





2. Using the special tools, remove the mainshaft rear bearing cup.





3. Using the special tools, remove the countershaft rear bearing cup.





4. Remove and discard the oil seal.





5. Using the special tools, remove and discard the shift rail bearing.

6. NOTE: Use care when cleaning the mating surfaces. Nicks and gouges can prevent sealing and cause leaks. Clean the mating surfaces with an oil stone.

Clean the mating surface of the extension housing.

Assembly

NOTE: A preload measurement must be taken after transmission disassembly.

1. Using the Needle Bearing Replacer and the Handle, install the shift rail bearing.
^ Use the Heat Gun to heat the bearing bore to 150°C (300°F).





2. Using the special tools, install the countershaft rear bearing cup.
^ Use the Heat Gun to heat the bearing bore to 150°C (300°F).





3. Using the special tools, install the mainshaft bearing cup.
^ Use the Heat Gun to heat the bearing bore to 150°C (300°F).

4. Install a new output oil seal after the bearing preload is completed during transmission assembly.