Assuming you have the proper replacement plugs, a deep socket wrench and the round spark plug gap gauge you are ready. Remove one spark plug wire by gently rotating the cap on the spark plug to break the seal and remove it carefully. Check the gap on the new plug and adjust if not properly preset. The owner's manual has the gap listed as well as the autoparts store. Loosen the plug and replace one by one putting the wire back and pressing it into place until you feel a little snap. Be careful not to get the socket wrench off center as you tighten or you can crack the ceramic of the plug. Follow the directions in the box as to how tight. Look at the web site of the plug manufacturer for more info.
100,000 miles according to the factoryspec.
take it to the dealer
No, the spark plugs and O2 sensor are totally different things. that is not right!! they are the same things!!
The 2003 Chevrolet suburban spark plugs should be changed every 30,000 miles. The life of the spark plug is dependent upon the driving habits of the automobile driver.
when do you change spark plugs
Most came with a V-8 engine, which took 8 spark plugs.
To change the spark plugs in a 1997 astro van do I have to change the spark plugs from the bottom of the engine/
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