2005 Hyundai Sonata spark plugs

6
DO-IT-YOURSELF MAINTENANCE
13
!
WARNING:
It is recommended that the engine be cool
or cold when changing the spark plugs. If
the engine is hot, you could burn yourself
on the insulated connector, the spark plug
or the engine itself. 6. Remove the mounting bolt (3) of the ignition
coil with a socket wrench.
7. Pull straight up on the ignition coil (4).
G060C03NF
8. When preparing to remove the spark plug,
guide the socket down over the spark plug,
being careful not to damage the ceramic
insulator.
9. To remove the spark plug, turn the wrench
handle in a counterclockwise direction. (3)
(4)
G060C06NF
G060C05NF
10. To install the new spark plug, guide the
socket down over the spark plug, being
careful not to damage the ceramic insulator.

6
DO-IT-YOURSELF MAINTENANCE
14
G060C04NF
11. Installation is the reverse order of disas-
sembly.NOTE:Spark plugs should be tightened firmly.
(Tightening torque: 18.0 lb.ft (2.5 kgf.m))
Over-tightening can damage the threads in
the aluminum cylinder head. Also, leaving
them too loose can cause the spark plug to
get very hot and possibly result in damage
to the engine.
CAUTION:
o Operating your vehicle without using a
proper air cleaner filter in place can result
in excessive engine wear.
o When removing the air cleaner filter, be
careful that dust or dirt does not enter
the air intake. These may result in dam-
age to the air cleaner filter.
!
CHANGING THE AIR
CLEANER FILTERG070A03Y-AATThe replacement of the air cleaner filter is
performed in the following manner.
1. Unsnap the clips around the cover.
2. When this is done, the cover can be lifted off,
the old filter removed and the new filter put in
its place.
Genuine Hyundai replacement parts are rec-
ommended.
HNF5011

10
INDEX
5
M
Maintenance Intervals
Explanation of scheduled maintenance items .............................. 5-7
Maintenance under severe usage conditions.............................. 5-6
Scheduled maintenance................................................................ 5-4
Service requirements.................................................................... 5-2
Mirrors
Day/night inside rearview ............................................................1-78
Homelink mirror ............................................................................1-79
Outside rearview..........................................................................1-77
Outside rearview mirror heater ..................................................1-78
Multi Box ...........................................................................................1-75
O
Odometer.........................................................................................1-57
Outside Rearview Mirror .................................................................1-77
P
Parking Brake..................................................................................1-85
Power Adjustable Pedals ................................................................2-11
Power Outlets..................................................................................1-67
Power Steering Fluid Level .............................................................6-29R
Rear Seat
Armrest.........................................................................................1-92
Folding rear seatbacks ...............................................................1-19
Rear seatback safety lock ..........................................................1-20
Warning.........................................................................................1-20
Rear Window Defroster Switch ......................................................1-66
Reporting Safety Defects ................................................................8-14
S
Seat
Front.............................................................................................1-14
Rear..............................................................................................1-19
Seat Belts
3-Point system.............................................................................1-24
Adjusting your seat belt ...............................................................1-25
Care of seat belts ........................................................................1-22
Pre-tensioner seat belt ................................................................1-33
Precautions..................................................................................1-21
Rear seat center 3-point system with combination
locking retractor........................................................................1-26
Seatback Pocket.............................................................................1-70
Shopping Bag Holder.......................................................................
1-69
Spark Plugs......................................................................................6-11
Spectacle Case...............................................................................1-74
Speedometer....................................................................................1-57
Starting Procedure............................................................................. 2-5