911 Carrera Coupe F6-3164cc 3.2L (1984)
Synchronizer Ring: Service and Repair
Disassembly
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Remove the circlip from the gear. Check all parts for wear and damage and replace as necessary.
Checking
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Using a micrometer, check diameter of installed synchronizing ring. Place micrometer at the highest point of the synchronizing ring.
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Diameter: 3rd, 4th, and 5th speed = 76.3 ± 0.18 mm
1st and 2nd speed = 86.37 ± 0.17mm
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Maximum clearance between selector fork and shifting sleeve of 1st through 5th speed.
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Dimension a = 0.5 mm (0.02 in.).
Assembly
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Insert stops and synchronizer ring.