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The Vanagon Dictionary

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Look up Vanagon, EuroVan and Volkswagen Bus terms, then follow the definitions to their sources.

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Transmission and drivetrain

Decoupler

  • vw
  • syncro
  • drivetrain

EN · machine-assisted draft

In a Syncro drivetrain, a driveshaft decoupler disconnects the prop shaft so the front axle is no longer driven through it; it is not the front differential lock. A Gerry discussion on 16 May 2004 compares the original non-viscous-coupling layout, which used a driveshaft decoupler, with viscous-coupling Syncros while debating front-lock behavior. The thread is historical community discussion, not a retrofit procedure; identify the drivetrain configuration before interpreting parts or controls.

Attributed to vanagon_corpus_draftView source

Canonical entry: dictionary.vanagon.com/en/define/decoupler