17 mm
I don't think they have Spark plugs. (Coils)
You will need a 5/8 socket.
spark plug socket extention and rachet pull boots off plugs and have at it
Hyundai 2005 Elantra automatic transmissino drain plug located on the bottom of transmissino housing..
The spark plug gap for a 2000 Hyundai Elantra should be set at .044 inches. New spark plugs will be preset at the factory.
The computer diagnose input plug, on your 2002 automobile, is located below the dashboard on the drivers side. The import plug can be seen near the left knee position of the driver.
Alphabetical
25-30 lb-ft
1.0-1.1 mm (0.039-0.043 in.)
.044 thousand's of an inch
AutoZone.Com will have info about your car.
spark plug cover:)