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English · machine-assisted draft

A mixture in which particles are suspended in a liquid, used to stabilize PTFE in engine oils

• lubricant
• additive

English · machine-assisted draft

Thermoswitch for pre-heating the inlet manifold in Waterboxer engines

• waterboxer
• thermoswitch
• inlet

English · machine-assisted draft

Device used to measure exhaust gas content, including carbon dioxide, carbon monoxide, oxygen, and hydrocarbons.

• emissions
• testing

English · machine-assisted draft

A device that advances the ignition timing in response to vacuum changes in the engine

• ignition
• vacuum

English · machine-assisted draft

A type of manifold used in some engines, with two outlets

• manifold
• engine

English · machine-assisted draft

a device that reduces nitrogen oxide emissions by converting them into nitrogen and water

• emissions
• exhaust
• catalyst

English · machine-assisted draft

A ring that fits around a piston to seal the gap between the piston and cylinder

• engine
• piston

English · machine-assisted draft

Type of engine used in Vanagon/T25 models, with 1.9 or 2.1 liter displacement

• waterboxer
• engine

English · machine-assisted draft

A type of grease recommended for lubricating clutch disc hubs

• lubricant
• clutch

English · machine-assisted draft

Small, flat washers that help to absorb thrust loads on the front bearings

• bearings
• thrust
• washers

English · machine-assisted draft

Volkswagen engine with cylinder banks at a 10.6-degree V angle, allowing for a single cylinder head

• engine
• vr

English · machine-assisted draft

A ring-shaped component that provides a seal between two parts, such as the cylinder head and engine block

• sealing
• ring

English · machine-assisted draft

A type of filter that allows oil to bypass the main filter and flow directly to the engine.

• oil
• filter
• engine

English · machine-assisted draft

Gaps between the piston rings, which must be offset to prevent oil from entering the combustion chamber

• engine
• piston

English · machine-assisted draft

The component that regulates airflow into the engine and the switches that monitor throttle position

• throttle
• switches

English · machine-assisted draft

Gaskets used to seal connection between cylinder head and exhaust manifold

• engine
• exhaust

English · machine-assisted draft

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

• exhaust
• vanagon
• waterboxer

English · machine-assisted draft

A rod connecting the piston to the crankshaft, allowing the piston to move freely up and down in the cylinder.

• engine
• piston
• crankshaft

English · machine-assisted draft

A switch that signals the engine computer when the throttle is in the idle or full throttle position

• engine
• throttle

English · machine-assisted draft

Original type of tire used on VWs through the mid 1960s, with plies that run diagonally from one bead to the other.

• tire
• engine

English · source definition

Air Flow Meter. the silver box next to the air cleaner box on the fuel injection model buses . it measured the volume of air entering the intake system, and allowed the computer to adjust the amount of gasoline required.

English · machine-assisted draft

An aftermarket exhaust system sold under the Monza name. Paruzzi describes chromed rear outlets and lists this Vanagon/T25 configuration for carbureted Type-4 engines. The name refers to exhaust hardware and its sound/appearance, not to an engine upgrade or proof that it fits every Vanagon powerplant.

• exhaust
• type4

English · machine-assisted draft

An intermediate section of the exhaust system that joins adjoining exhaust components before the silencer. Paruzzi lists this part for Vanagon/T25 1.9- and 2.1-liter Waterboxer models from October 1985 through July 1992, with a 50 mm diameter at both ends. Earlier systems and different engine codes may use other sections; match the actual exhaust layout and catalog reference.

• exhaust
• vanagon
• waterboxer

English · machine-assisted draft

A lead-acid battery rating expressed in minutes under a specified discharge test. Gerry’s FAQ describes a 25-amp load at 80 °F until a 12-volt battery reaches 10.5 volts. It is neither amp-hours nor a prediction of camper runtime, which depends on actual loads, conditions and discharge limits.

• batteries
• reserve
• capacity