Disassembling And Assembling Synchronizers

The 5-speed manual transmission is equipped with a revised version of the Porsche synchronizers in all forward gears. A special feature of this synchronizer is the omission of circlips for 1st through 3rd gears. 4th and 5th gears employ an improved sychronizer from the standard transmission type 915 (with circlips).

Synchronizer Porsche

1st Gear

Synchronizer ring: Thrust block: Shift band: Stop:

Assembly note:

One groove on face

Two bevelled flanks

Asymmetrical

Two straight flanks

Short side of shift band must be to right of thrust block

4th and 5th Gea

Synchronizer ring: Thrust block: Shift band: Stop:

No markings Two bevelled flanks Two separate shift bands Two bevelled flanks, straight stop surfaces

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