Tom & Ed's Autobody Services Northwest Indiana 24 hours Towing Services

1225 Birch Dr.
Schererville, IN
(219) 322-5220

3111 W. Lincoln Hwy.
Merrillville, IN
(219) 736-0722

10730 Broadway
Crown Point, IN
(219) 661-8877
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Auto Diagram

Know Your Vehicle | Glossary | Request an Estimate

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

Aftermarket Parts

Automotive replacement parts that were not made by the original equipment manufacturer.

Air-drying

The process of drying fully during exposure to air at normal temperatures.
Alternate Term(s): Drying

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B

Basecoat ( BC ) / Clear

A paint system in which the colour effect is given by a highly pigmented basecoat. Gloss and durability are given by a subsequent clearcoat.

Bench

A heavy metal platform used to restore a vehicle's structural geometry to factory specifications. This is done by securing a portion of the vehicle to the platform, then pulling appropriate areas of the vehicle into place using special clamps, chains and hydraulic winches.
Aternate Term(s): Frame Rack, Frame Machine

Betterment

Term used to describe an item replaced due to an accident that has some wear. The practice is often applied to tires and batteries that are several years old. If a battery has used up 3/4 of its life, the Insurance company will pro-rate the item’s cost and in this case will pay 1/4 of the cost to replace the battery and will ask the insured or claimant to pay the remaining 3/4. The premise being that the Insurance Company is only obligated to return the vehicle to its pre-accident condition.

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C

Chip Guard

A chip resistant, protective coating normally applied to lower panels to avoid sharp stones etc. chipping the paint finish.

Chipping

The removal of paint from a substrate by means of impact of sharp stones etc.

Clear or Clear coat

The clearcoat imparts gloss and protection to a basecoat clearcoat system. It is essentially a pigment-free paint.

Coat

A single layer of paint on a surface.

Compounding

The action of using an abrasive polishing material either by hand or by machine.
Alternate Term(s): Polishing

Corrosion

Degradation of the metal substrate by oxidation. That is the formation of an oxide layer on the metal surface. This process requires that the metal surface be exposed to oxygen, and is favoured in the presence of water. In the case of iron and steel, corrosion is often referred to as rusting.

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D

Degreasing

The removal from the substrate of contaminants which would otherwise give rise to surface defects and performance failures. E.g. poor adhesion.

Detailing

Final cleaning both inside and outside of vehicle, application of pinstripes, removal of overspray from underhood, trunk lids etc. as well as polishing

Direct Gloss ( DG )

A topcoat paint which contains pigment and resin, and gives the required gloss level without the need of the application of a clearcoat. A DG Paint film has good weathering and durability characteristics.

DRP

Acronym for Direct Repair Program. These programs often involve a contractual agreement between an Autobody Repair Center and an Insurance Company. For the most part, the agreements set the rules of repair and standardized procedures such as warranties, billing practices and record keeping.

Drying

The process of change of a coating from the liquid to the solid state by evaporation of solvent, chemical reaction of the binding medium, or a combination of these processes. When drying takes place during exposure to air at normal temperatures, it is called 'air-drying'; if it can be accelerated by the application of a moderate degree of heat it is called 'Force-drying' (or Low-bake), as distinct from High-bake.
Alternate Term(s): Binder, Air-drying, Force-drying, Stoving, Low-bake, High-bake

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E

Edge-to-edge repair

A term denoting a complete panel repair as opposed to a touch-up or spot repair.
Alternate Term(s): Spot repair

Enamel

A topcoat paint which forms a film by chemical crosslinking of its component molecules during the cure.

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F

FEA

Acronym for Front End Alignment. Generally appears as a line item on a repair estimate or repair order. It will sometimes be accompanied by 4-W or 4-Wheel alignment. This simply means that the vehicle needs to have all wheels aligned.

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G

Gloss

The degree to which a painted surface possesses the property of reflecting light in a mirror-like manner.

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H

Hazardous Waste

Any unusable by-product derived from the repair and/or painting process that cannot be disposed of through normal waste disposal streams. These products can be potentially harmful to the environment and require special handling as well as professional disposal. Federal, State and Local laws apply and may differ in their scope.

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L

LKQ

Acronym for Like Kind and Quality. Refers to a used part salvaged from another vehicle. It is inspected by the seller and re-inspected by the shop upon receipt and accepted if it is deemed appropriate.

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M

Masking

Temporary covering of areas not to be painted.

Metallic

A term used for finishes incorporating fine metallic particles, usually aluminium, in the paint.

Mica

A naturally occurring mineral, based on silica, which after treatment, is used as an effect pigment in coatings. Their special property is that light falling on a mica particle, depending on the angle of illumination, reflects the light with a change in colour. Because of this they are sometimes referred to as pearls.
Alternate Term(s): Pearl

Motor manufacturer's primer

An undercoat system applied by the manufacturer to the metal surface of a commercial vehicle or to new automobile panel parts to give protection during transit, storage, etc. and which, depending on its type, age and condition, may be able to support the finishing system. It may consist of more than just a simple primer coat.
Alternate Term(s): OE Primer

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P

Pearlescent

See "Mica".
Alternate Term(s): Mica

Pigment

The colouring matter in paint. A pigment is different from a dye in that a pigment is insoluble in the media in which it is used.

Prep

The process of washing, degreasing and lightly abrading a panel prior to applying paint.
Alternate Term(s): Prep Work

Pretreatment (metal)

The chemical treatment of unpainted metal surfaces before painting, for enhanced adhesion and corrosion resistance.

Primer

The first layer of a coating system. Applied to an unpainted surface. Its' role is to protect the substrate and to prepare it for the application of a surfacer or topcoat. It must therefore have above all, excellent adhesion to the substrate and to the coating which will follow.

Primer-Sealer

An undercoat which improves the adhesion of the topcoat, and which seals old painted surfaces that have been sanded.

Primer/surfacer primer/filler

A pigmented composition which acts as a primer and at the same time has filling properties such that it may be sanded to provide a smooth surface for the colour coat that is to follow.

Putty

A plastic material with a high mineral filler content - used for filling deep holes or wide gaps.

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R

R&I

Acronym for Remove and Install. Refers to a part removed from the customer's damaged vehicle to be saved and reinstalled after the repair has been completed.

R&R

Acronym for Remove and Replace. Refers to a part removed from the customer's damaged vehicle that cannot be acceptably repaired. It is replaced with a new part.

Repair Authorization

The point at which a Consumer authorizes the repair to their vehicle (and in some cases contingent upon the Insurance Company settlement process).

Rubbing compound

An abrasive paste that smoothes and polishes paint films.
Alternate Term(s): Polishing compound

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S

Sanding

An abrasive process used to level a coated surface prior to the application of a further coat.
Alternate Term(s): Flatting

Sealer

An undercoat which improves the adhesion of the topcoat, and which seals old painted surfaces that have been sanded.

Solid colour

A coating which contains coloured pigments only, i.e., does not contain pigments such as aluminums and micas.

Solvent

A liquid, usually volatile, which is used to reduce viscosity. This is essential in both manufacturing and application processes. Solvents evaporate during application and drying of paint and therefore do not become a part of the dried film. In conventional coatings the solvents are organic compounds (Alcohols, Esters and Ketones) whilst in waterborne systems there is a mix of organic solvents with water.

Substrate

The uncoated/unpainted surface.

Supplement

Additional repairs needed to complete the repair that were not identified on the original estimate

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T

Tack rag

Cotton fabric, such as cheesecloth, lightly impregnated with a resin, used to remove dust from a surface after rubbing down and prior to further painting. Tack rags should be stored in an airtight container to conserve their tackiness.

Tape marking

The imprint caused by applying masking tape on to a newly-applied paint film before it has time to harden.

Thinner

A blend of volatile organic solvents added to the paint to reduce it to the correct viscosity for application.

Three Coat colour

A topcoat colour which consists of 3 parts, a basecoat, a midcoat and a clear.
Alternate Term(s): Tri-coat

Tint and Blend

The process of mixing toners to match the existing paint finish, then blending or overlapping the color into the adjacent panel to avoid color match problems.

Tinter

Any coloured pigment or paint mixture used to make small adjustments in colour, or to the mix the colour in the first place from a mixing scheme.
Alternate Term(s): Base colour

Top coat

The final layers of a coating system whose role is primarily decorative. However the topcoat often imparts protection to ultra violet light present in sunlight.

Touch-up

A localised repair usually confined to the smallest area possible (for example, repairs due to stone chips damage).

Two-pack

A paint or lacquer supplied in two parts which must be mixed together in the correct proportions before use. The mixture will then remain usable for a limited period only.

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U

U.V. Absorbers

Chemicals added to paint to absorb Ultraviolet radiation present in sunlight.

Ultra Violet Light

That portion of the spectrum which is largely responsible for the degradation of paint films. Invisible to the eye, causes sunburn.

Undercoats

A first coat; primer, sealer or surfacer.

Unibody

The structural support found in most late model vehicles.

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V

VIN

Acronym for Vehicle Identification Number. This is a unique number that identifies your vehicle. Although its primary purpose is to identify your vehicle, it often contains important information concerning the equipment and options that were installed on your vehicle at the factory. This information allows the Repair Center to order the correct parts for your vehicle. Any professional estimate or Repair Order will have this number on it.

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