Instructions For Disassembly And Assembly (Transmission G86): Assembly

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Check the synchronizing rings for wear.

Fig 1: Checking Synchronizing Rings For Wear
Courtesy of PORSCHE OF NORTH AMERICA, INC.
- Push ring into shift collar.
- Measure gap a using a feeler gauge in positions A, B and C. See Fig 1 .
- Add up the measured values and divide by three. The value obtained must not be less than 0.5.
Insert the spring into the loose gear wheel so that the angled end engages in the hole.

Fig 2: Inserting Spring Into Loose Gear Wheel
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Fit the selector sleeve so that the slant (arrow 1) is facing 4th gear and the offset side (arrow 2) is facing 3rd gear. See Fig 3 .

Fig 3: Fitting Selector Sleeve So That The Slant Is Facing 4Th Gear And The Offset Side Is Facing 3Rd Gear
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Determine the snap ring for 4th gear. To do this, determine the thickest ring which can still be used.
Likewise, determine the snap ring for 5th gear.
Heat the synchronizing elements for 3rd and 4th gears to approx. 100°C and press onto the input shaft. The high collar is facing the 3rd-gear loose gear wheel.

Fig 4: Pressing Synchronizing Elements For 3Rd And 4Th Gears Onto The Input Shaft
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Heat the fixed gear wheel for 5th gear to approx. 100°C and press onto the input shaft. The high collar is facing reverse gear and the oil pockets are facing 4th gear.