To change the plugs, do one at a time so not to mix up the sparkplug wires, remove plug wire from a plug, use sparkplug socket to remove the sparkplug make sure to gap new plugs, ask parts store for the gap setting they will give it to you when plugs are bought, the plug gapper is about $2.00. and that about it, the rear plugs are a little harder to get to but the same way to remove, some buicks came with metal heat sheild over the sparkplug boot in the rear cylinders make sure to reuse, you will know if you have them they will slide right off old boot.
SOURCE: changed plugs and wires on 1999 Buick le sabre
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SOURCE: what is the proper spark plug gap for a 1970 Buick 350 4bbl.
1970 Buick LeSabre 5.7L 350CID V8 GAS CARB - GAP=0.030
SOURCE: how to change the fuel filter in buick le sabre
hi, this is an article and it shows you how to change the fuel filter in buick le sabre 1992.
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