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The Vanagon Dictionary

Get to know your Volkswagen.

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

About the Dictionary and its data

Definitions and source records come from the shared Dictionary, which remains available at dictionary.vanagon.com.

API and data details

Results for “Syncro”

15 public entries · page 1 of 1

  • Syncro

    Bus terminology

    English · source definition

    The four-wheel drive version of the Vanagon , made between 1986 and 1991. using a viscous coupling arrangement, the front wheels could be made to automatically provide pulling power (at any time the rear wheels began to slip or spin). This term also applies to the four-wheel drive EuroVans , which are unfortunately not imported into the United States.

  • Jagdwagen

    Vehicle models and history

    English · machine-assisted draft

    Special model VW Syncro Doka for hunters and sportsmen

    • vw
    • syncro
    • doka
  • VC

    Transmission and drivetrain

    English · machine-assisted draft

    A device in the front differential of a Syncro that provides the switching action between the rear diff/wheels and the front.

    • syncro
    • viscus
  • Sway bar link lower bushings

    Brakes and suspension

    English · machine-assisted draft

    Resilient sleeves fitted at the lower sway-bar-link connection, locating the joint while allowing controlled movement. Paruzzi lists an early lower bushing for Syncro and non-Syncro applications through the 1984 chassis break, and a different later bushing for non-Syncro models. “Lower” identifies a position; it does not mean one part fits every Vanagon or Syncro.

    • suspension
    • vanagon
    • t25
  • Shock absorber

    Brakes and suspension

    English · machine-assisted draft

    A suspension damper that controls spring oscillation after the wheels cross a bump and helps maintain tire contact and road control. Paruzzi’s front oil-filled listing is for Vanagon/T25 except Syncro, and the catalog lists Syncro dampers separately. “Shock absorber” describes a function, not a complete fitment; front/rear position and Syncro configuration matter.

    • suspension
    • vanagon
    • t25
  • Backdrive shaft

    Transmission and drivetrain

    English · machine-assisted draft

    Shaft that drives the differential in a vehicle

    • differential
    • syncro
    • gearbox
  • Camper model

    Vehicle models and history

    English · machine-assisted draft

    In Gerry’s preserved FAQ alignment article, “Camper model” refers to the heavier Vanagon Syncro camper configuration, with separate alignment values from lighter non-camper vehicles. A Gerry discussion on 15 October 2003 about the “official” Syncro alignment specs quotes the chart for 1986–1991 Syncro campers with dual batteries up front; a 1999 thread separately asks about an almost-empty 1986 Syncro. These historical sources show why the exact load and configuration matter, not a current alignment specification. Use service data for the specific vehicle.

    • model
    • variant
  • Input shaft

    Transmission and drivetrain

    English · machine-assisted draft

    Shaft that transmits power from the engine to the gearbox

    • differential
    • syncro
    • gearbox
  • Limited-slip differential

    Transmission and drivetrain

    English · machine-assisted draft

    Type of differential that limits the slip between the wheels

    • differential
    • syncro
  • Decoupler

    Transmission and drivetrain

    English · 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.

    • vw
    • syncro
    • drivetrain
  • Brake shoe set

    Brakes and suspension

    English · machine-assisted draft

    Set of brake shoes for Vanagon/T25 models, excluding Syncro with 16-inch wheels

    • brakes
    • vanagon
  • Shift rod bushing

    Transmission and drivetrain

    English · machine-assisted draft

    In this glossary entry, “shift rod bushing” refers to the rear guide bushing listed for Vanagon/T25. Paruzzi gives different VIN breakpoints for Syncro and non-Syncro applications around April 1987, so the generic name does not establish fitment. Confirm the chassis/VIN and linkage position before treating a catalog match as compatible.

    • transmission
    • vanagon
    • t25
  • Exhaust pipe before rear silencer

    Engine and fuel systems

    English · machine-assisted draft

    Exhaust pipe located before the rear silencer in Vanagon/T25, excluding Syncro models

    • exhaust
    • vanagon
    • waterboxer
  • Sway bar link

    Brakes and suspension

    English · machine-assisted draft

    A short link connecting the sway bar to the suspension, transferring relative movement so the bar can resist body roll. Paruzzi lists one Vanagon/T25 version through July 1984 and a later version from August 1984 that excludes Syncro; the earlier and later links have different catalog numbers. The name describes the component, not one universal replacement fitment.

    • suspension
    • vanagon
    • t25
  • CV-joint

    Bus terminology

    English · source definition

    ( Constant Velocity Joint ) One of the small circular devices at an end of an axle on a bus . Buses , Vanagons , and EuroVans have four of these, while the Syncro Vanagons have a total of eight. These are necessary to allow the axle to move up and down while still turning to propel the car. the joints need to be keep greased to function properly. when they are worn, they make a knocking-noise that strikes fear into the hearts of bus owners everywhere. Microbuses do not have CV joints, but use a 'swing-axle' and reduction gear box instead.