▲ 2 r/autorepair
Do auto mechanics actually use dielectric grease when replacing spark plugs? I was told that it's not necessary for them to function but can help prevent misfires. Any truth to that?
u/ApprehensiveNoise145 — 8 days ago
Do auto mechanics actually use dielectric grease when replacing spark plugs? I was told that it's not necessary for them to function but can help prevent misfires. Any truth to that?