Automotive servicing

Report by – Kate O. Gonzales

• Automotive Servicing NC II is a technical-
vocational program that trains students
how to inspect, maintain and repair light
and heavy-duty automotive vehicles.
• The Auto Servicing NC II program covers
both mechanical and electrical
components, including the battery,
ignition, clutch, brakes, lighting, steering
and suspension systems.
• The Auto Servicing NC II program is
supervised and accredited by TESDA (a
government agency that regulates
vocational courses), and TESDA-accredited
education institutions may offer this
program.
• The program may also be incorporated in
undergraduate courses such as BS in
Industrial Technology (BSIT) and BS in
Industrial Education (BSIE).

 CLEANING TOOLS
 1. Scraper is a flat thin sheet of metal with wooden or
plastic handle. It is used to scrape hard to remove
dirt or stubborn grime or plastic sticker.
 2. Steel/Wire brush are thin strips of metal inserted
in a wooden or plastic stock. It is used to remove rust,
hard to remove dirt and grime with sweeping action.
 3. Utility rag is a fibrous cloth used in cleaning and
wiping dirt and dust.

Pliers are generally used as all-around tools. They have the capability for bending, crimping,
cutting, holding, stripping and twisting. They are available in various shapes and sizes.
Generally, pliers used for electrical job are insulated, whereas those for mechanical work are
not insulated but sometimes equipped with rubber for gripping. Pliers are not used as
substitute for wrenches.
 Side cutting pliers are tools having a broad, flat, and rough jaw. They have a pair of nipper-
like blades used for cutting and bending wires.
 Combination pliers are equipped with adjustable opening by means of a slip joint. It is used
for gripping object because of its inner notch and also used for cutting and bending small
wires.
 Long nose pliers have a needle-nose ends used for holding or picking small object. They have
a razor-like blade on its jaw for stripping, cutting and bending wires.
 Stripping and crimping pliers have two-half round edges used to strip electrical wire and a
crimping nose to fold and lock wire connector.
 Vise grip or locking jaw pliers are specially designed pliers used for holding work pieces
together. They have a variety of uses such
 Machinist pliers have adjustable and cutting jaws with tooth-edged nose used for holding,
bending and cutting wires.

 Bench vise -is a device for holding and bending pieces of metal. It consists of one
fixed and one movable jaw operated by a clamping action of the screw.

 CUTTING TOOLS
 1. Chisel is a hand tool essentially used for cutting bolts, nuts and rivets. It comes
in different types and sizes. A flat cold chisel is used for general cutting. Special
chisels like a diamond point are used for cutting sharp-bottomed groove and a
round-end chisel for cutting oil grooves.
 Electric Drill is a tool for boring holes. It is made of either carbon steel which
requires frequent sharpening or high speed steel which requires less sharpening.
 File is a hard steel tool used for smoothening metal. It comes in various shapes
such as flat, round, half-round, and triangular.
 Hacksaw is an excellent tool for cutting bolts, tubing and light to fairly thick
metal. It has a light frame handle with blade connected to both ends of the frame.

Hacksaw
Electric Drill
CHISEL
FILE

DRIVING TOOLS
Hammers are generally used for driving or
striking work. It comes in various sizes, weights,
and kinds .
 Ball peen hammer is basically used by
machinists as in automotive applications. It
has a weighty ball-shaped metal at the end of
the handle with flat surface on one side for
striking a chisel or appropriate work and a
rounded shaped for riveting or penning.
 The brass or plastic-tipped hammers are used
for striking soft and delicate part such as
aluminum or plastic to avoid danger of
breaking or marring the surface.

LOOSENING AND TIGHTENING TOOLS
Wrenches are tools for loosening and tightening of bolts and nuts. It comes in different forms and
number in Metric or in English sizes.
 Allen wrench is used in a type of screw bolt with a hexagonal hole on the head.
 Box end wrench is an enclosed end tool used for moderate application for loosening and
tightening bolts and nuts.
 Combination wrench is a tool with an open-end on one side and box-end on the opposite side. It
has the same size on both ends and used in loosening and tightening bolts and nuts.
 Oil filter wrench is a circular-shaped steel with internal tooth and handle. It is inserted to the
oil filter body, tightened as it is turned for removal.
 Open end wrench is a tool with open end used for light application in loosening and tightening
bolts and nuts.
 Socket wrench is a tubular-like tool with an enclosed end used for heavy application for
loosening and tightening bolts and nuts.
 Spark plug wrench is a socket-like wrench intended for removing and installing spark plugs.
 Tire wrench is a cross-like or sometimes L-shaped piece of round bar used to remove the wheels
of the vehicle.

 MARKING TOOLS
 Center punch is a tool made of hardened steel with conical tip point on its end. It is
about 3 to 4 in. long in length and used for marking the material before drilling.
 Scriber is a thin steel rod with pointed tip on its end. It is used for marking fine lines
on metal for layout work.
 Pencil is a thin strip of graphite enclosed in a wooden case and used for making
drawings and marking lines.

 MEASURING TOOLS
 Torque wrench is a special service tool for measuring the twisting force applied when
tightening bolts and nuts.
 Steel rule is a measuring strip of steel available in various lengths in metric and
English system. It is available in 12, 24, 36 and 48 inches size. It is used in linear
measurement of short length or height.
 Caliper is a tool used in measuring the diameter of a circular work. The Inside caliper
is used in measuring the inside diameter whereas the outside caliper is used in
measuring the outside diameter of an object. The caliper is adjustable. The Vernier
caliper is a good example that is capable to measure both the inside and outside
diameter of an object with accuracy. It can also measure the thickness and thinness in
thousandths of an inch.
 Metal tape measure is a push and pull, long strip of thin sheet of metal with
corresponding increments in millimeter and inches graduation..
 Feeler gauge is a thin strip of metal with different thickness used to measure or set
gap and clearance between parts of mechanism.

• Without the engine for your car,
it wouldn't be able to run in the
first place as it burns the fuel
you put in the vehicle to enable
it to run. Thankfully, automotive
servicing is one of the many
saving graces your car can be
granted with (and for you as the
driver as well).
• Automotive servicing plays a
great role in the life of many
people, especially nowadays that
automotive vehicles’ population
is quite increasing. This will be a
great opportunity for the
students who are taking this
course while taking college. Of
course this will be a great help to
those students who are
financially lacking.

 1 Peter 4:10
“Each of you should use whatever gift you have received to serve others, as faithful
stewards of God’s grace in its various forms.”

 http://www.depedbataan.com/resources/9/k_to_12_automotive_learning_module.pd
f
 https://www.youtube.com/watch?v=DuU2mnJcxPM

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Automotive servicing