The Vanagon Dictionary

A heat exchanger that removes heat from engine oil. Air-cooled Type 2 engines use an oil cooler in the engine cooling assembly; design and mounting vary by engine. It is distinct from a Vanagon coolant radiator.

• engine
• air-cooled
• cooling

Switch that monitors high oil pressure in the engine

• oil
• pressure
• switch

Switch that monitors low oil pressure in the engine

• oil
• pressure
• switch

A type of additive used to improve the viscosity of an oil.

• oil
• viscosity

A combination of additives used to enhance the performance and protection of an oil.

• oil
• additives

Engine type where oil is stored in a separate tank, not in the crankcase.

• engine
• oil

A measure of an oil's resistance to changes in viscosity due to temperature fluctuations.

• oil
• lubrication
• engine

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

• oil
• filter
• engine

Type of low-maintenance battery using oil to reduce acid mist and out-gassing

• batteries
• thermoil

A synthetic polymer used as a lubricant and anti-wear additive in engine oils

• lubricant
• additive

A standardized test procedure for evaluating motor oil performance

• test
• engine
• wear

A type of driving condition characterized by normal engine temperature, highway speeds, and a clean environment.

• oil
• service

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

• lubricant
• additive

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

• engine
• piston