GMC 19301812 Spark Plug Asm

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The engine's side contains the spark plugs. In order to replace them, you will need a socket for spark plugs, various extensions, gauge for the gap, tool removing wires of the plug and torque wrench. Instead it is more advisable to purchase the new plugs earlier, align them to their desirable gap and change them one at a time. The right type of plug must be obtained that suits to your engine; this information is indicated in the Emission Control Information label found under engine hood. You should give room for cooling off before attempting to remove any plug(s). Meanwhile inspecting new plugs for malfunction and readjust gaps is proper. For removal of spark plug wire from one particular place just pull on the boot while noting that other parts should not be touched by hand. Spark plug holes are dirt-free with air compressors available or using bicycle pumps as alternatives. A socket extension will be necessary since reachability of spark plugs is difficult most times. By turning it anticlockwise will remove plug. Comparing an old one with chart can provide some understanding about engine's condition during operation period. Put anti-seize compound lightly on threads of brand new one and then screw it tightly into that hole with fingers only or use suitable spanner if needed. With a ratchet or torque wrench make it snugly tight after all has been done properly before you attach this second latest piece yank out first and turn around so they are seated properly Attach wire by twisting it until it sits straight down onto top part of each cylinder head Make sure not to mix up wires during replacement process where you'll take out individual ones.

Before attaching the plug wire to the new plug, inspect it.