Pontiac 19308034 Spark Plug Asm

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Replace the spark plugs with new ones at the intervals recommended in the Routine maintenance schedule. The tools necessary for spark plug replacement include a spark plug socket which fits onto a ratchet, various extensions and a gap gauge to check and adjust the gaps on the new plugs. A special plug wire removal tool is available for separating the wire boots from the spark plugs, but it isn't absolutely necessary. A torque wrench should be used to tighten the new plugs. Purchase the new ones in advance, adjust them to the proper gap and replace them one at a time. When buying the new spark plugs, be sure to obtain the correct plug type for your particular engine. Allow the engine to cool completely before attempting to remove any of the plugs. While you're waiting for the engine to cool, check the new plugs for defects and adjust the gaps. The gap is checked by inserting the proper thickness gauge between the electrodes at the tip of the plug. If the gap is incorrect, use the adjuster on the gauge body to bend the curved side electrode slightly until the proper gap is obtained. With the engine cool, remove the spark plug wire from one spark plug. Pull only on the boot at the end of the wire. If compressed air is available, use it to blow any dirt or foreign material away from the spark plug hole. Place the spark plug socket over the plug and remove it from the engine by turning it in a counterclockwise direction. Compare the spark plug to those shown on the Inside back cover to get an indication of the general running condition of the engine. Thread one of the new plugs into the hole until you can no longer turn it with your fingers, then tighten it with a torque wrench or the ratchet. Before pushing the spark plug wire onto the end of the plug, inspect it. Attach the plug wire to the new spark plug, again using a twisting motion on the boot until it's seated on the spark plug. Repeat the procedure for the remaining spark plugs, replacing them one at a time to prevent mixing up the spark plug wires.

To replace the spark plugs, you will require a spark plug socket with a rubber grommet to shield the porcelain insulator. A wire type feeler gauge is used in checking and setting gaps between spark plugs; finally a torque wrench to tighten them correctly. To buy the right ones for your vehicle, refer to specifications, VECI label under hood or owner's manual. When buying new plugs do not pick those with broken porcelain insulators. Check the electrode gap according to given instructions while aligning its side electrode where necessary. Please don't even try fixing it on previously used iridium-coated plugs. Before removing the old ones, get rid of engine cover as well as ignition coils then blow off any dirt so that they can be extracted out smoothly. Examine the previous ones to assess how good or bad is your engine running? Apply anti-seize compound on plug threads before installing them and use rubber tubing for alignment when avoiding cross-threading during installation process. Afterwards reinstall the ignition coils tightening these down at specified torque figures and repeat with other remaining ones in like manner.

Compare the old plugs to the photos provided to assess the engine's running condition.