This unit measures the amount of gas in the fuel tank and sends that information to your vehicle’s gas gauge and, if equipped, a low gas level warning light.
Category: Glossary of Car Terms
What is Gasket?
A gasket is a piece of material that seals two parts together. The gasket prevents air or fluids from leaking between the parts.
What is Gear Synchronizers?
Gear synchronizers allow you to upshift and downshift a manual transmission without grinding gears. They do this by synchronizing, or matching, the speed of the engine and the speed of the gear you are selecting. If your car didn’t have gear synchronizers (also known as synchromesh), you would either have to match the engine speed…
What is Glazing Belts?
Glazing is a shiny coating on the inside surface of a fan, or serpentine belt. Glazing occurs when the belt slips repeatedly at a high speed. It is a sign that the belt needs replacement.
What is Generator?
A generator is like an alternator in that it generates electrical current to both keep the battery charged and supply electricity for a vehicle’s electric system.
What is Gear Selector?
The gear selector is the lever that lets you select a certain gear with an automatic transmission. In modern cars, the gear selector is often connected to the brake pedal, so that you can only shift into drive or reverse when your foot is on the brake.
What is Gauge?
A gauge is a type of instrument that measures or displays levels of a certain system. For instance, the gas gauge in your car measures the fuel level, while the temperature gauge measures the engine temperature.
What is Gearshift Linkage?
This is a series of rods and/or cables that connect the gearshift lever or gear selector to the transmission.
What is Fiberglass Matting And Resin?
These materials are often used to fill in large rust holes where filler would be unable to work, and where welding in new metal would be difficult.
What is Hub?
Hub is a generic term for the area where a wheel is mounted. For instance, there are hubs for every wheel on your car.
What is Hydrocarbons?
Hydrocarbons (HC) are essentially fuel which was not burned during the combustion process or which has escaped into the atmosphere through fuel evaporation. The main sources of incomplete combustion are rich air/fuel mixtures, low engine temperatures and improper spark timing. The main sources of hydrocarbon emission through fuel evaporation on most vehicles used to be…
What is HC?
An acronym for Hydrocarbons. Any number of compounds of carbon and hydrogen used as fuel, such as gasoline. High levels of hydrocarbons in tailpipe emissions are a result of unburned gasoline.
What is Glow Plugs?
Glow plugs are only found on vehicles with diesel engines. Glow plugs heat up the diesel fuel before the engine has been started, making the engine easier to start.
What is Gearshift Lever?
The gearshift lever is the lever that lets you select gears with a manual transmission.
What is Gas Grade?
This is a general term that refers to a gasoline’s general quality – for instance, its octane rating and package of additives. The two common terms for gas grades are “regular” for low-grade gas, and “premium” for high-grade gas.
What is Ignition Points?
Part of the ignition system which instructs the coil to send voltage to the distributor. They do this by opening and closing, which turns on and off a circuit.
What is Head Gasket?
The head gasket seals the cylinder head to the engine block. It is subject to tremendous pressures, and often fails if and when an engine overheats.
What is Heater Fan?
The heater fan is the interior fan that controls the speed of air being introduced into the interior.
What is Hydraulic circuit?
The hydraulic circuit is a closed system of tubes that contain hydraulic fluid. When pressure is applied at one end of the hydraulic circuit, it travels through the tubes to the other end.
What is Heater System?
The heating system warms the air brought into a vehicle’s interior. The heating system is connected to the cooling system and consists primarily of the heater core, heater valve, and, if equipped, a climate-control system.