Get to know your Volkswagen.

English · machine-assisted draft

Term referring to the smaller rear axle nut and reduction box design used in pre-1964 VW Buses

• bus
• vw

English · machine-assisted draft

All-wheel drive, a system where one or more wheels can provide power to the ground at any given time

• vw
• drivetrain
• awd

English · machine-assisted draft

a type of clutch cover that uses a diaphragm to engage and disengage the clutch

• clutch
• cover

English · machine-assisted draft

A replacement handgrip for a manual gear lever, machined from metal stock, often aluminium. “Billet” describes the starting material, not a quality grade; the finished knob may include a hollow compartment. On a Bus or Vanagon, the mounting thread or adapter and any marked shift pattern must suit the fitted lever and transmission.

• shift
• knob

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

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

English · machine-assisted draft

An upper ball joint is a type of ball joint located at the upper part of the suspension.

• ball
• joint
• upper

English · machine-assisted draft

An accessory fitted between a manual gear lever and its knob to raise or reposition the handgrip. It changes reach and leverage, rather than repairing worn linkage or acting as a short-shift kit. GoWesty’s Bus/Vanagon example uses a threaded extension and locating nut; compatibility depends on actual lever and knob dimensions.

• shifter
• extender

English · machine-assisted draft

A replaceable guide bushing for the forward section of the gearshift linkage. Paruzzi separates these front bushings from the middle and rear supports and lists this Vanagon/T25 part for Type-4 or diesel engines through July 1982, and CT or CZ engines through December 1982. Check the actual engine and linkage against that catalog scope; “front” alone does not confirm fitment.

• shift
• rod
• bushing

English · source definition

A type of rear axle that is 'fixed' at the wheel (that is, it is not able to flex up or down), but is able to move up and down at the transmission end. It required the rear wheels to move in an arc, rather than vertically, when hitting bumps. in some cars (beetles and corvairs and some early porsches), it could cause the wheel to tuck under the car during high speed cornering.

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