911 Carrera Coupe F6-3164cc 3.2L (1984)
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The main shaft with shorter sealing surface were factory installed on transmissions up to M.Y 1976 (Fig. 2)
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Transmissions as of Model Year 1976 could be field repaired using a main shaft with a shorter sealing surface.
FIGURE 2
FIGURE 3
Therefore, it is very important to measure the sealing surface (Fig. 2 and 3) before guide tube replacement.
I - Old version mainshaft II - New version mainshaft
FIGURE 4
Important
Due to the different location of the seal in the guide tube, the installation tool has been modified (was P381, now P381a).
Installation Instructions