Glossary “filler tube” Definition:
Metal tube located under the hood, through which the fluid level is measured and fluid is added.

Glossary “filler under-catalyzation” Definition:
Condition caused by not using enough hardener for the amount of filler.

Glossary “filler undersanding” Definition:
Condition that results when the filled area is higher or thicker than the surrounding panel.

Glossary “filler wire” Definition:
Wire used to add metal to a weld puddle, to create a bead or nugget.

Glossary “filler strip” Definition:
Strip inserted into the rubber gasket after the glass is installed, forcing the gasket against the glass to form a seal and improve the grip. Sometimes called a locking bead or spline.

Glossary “filler over-catalyzation” Definition:
A condition caused by using too much hardener for the amount of filler.

Glossary “filler oversanding” Definition:
A condition that results when the filled area is below the desired level, which makes it necessary to apply more filler.

Glossary “filler rod” Definition:
A plastic rod used in a plastic weld to form a bond and fill a damaged area. Also refers to a metal rod when welding metal.

Glossary “filler mixing board” Definition:
A clean, nonporous surface for mixing filler and hardener.

Glossary “filler neck restrictor” Definition:
Restriction plate located in the inlet of the fuel tank to prevent leaded fuel from being put into the tanks of cars that require unleaded fuel.

Glossary “filler cap” Definition:
Removable lid or seal on the filler neck of a fuel tank, radiator, or other reservoir.

Glossary “filler filling” Definition:
Using a coarse “cheese grater” or body file to rough shape the semi-hard filler.. You will knock off the high spots and rough edges.

Glossary “filler material” Definition:
Material from a wire or rod that is added to the weld joint.

Glossary “filler metal” Definition:
Metal or alloy added for bonding in making a welded, brazed, or soldered joint.