I was told dont change plugs on this car they break in side is it true

Asked by Guru9DGDG9 Nov 21, 2020 at 09:41 PM about the 2004 Mercury Marauder 4 Dr STD Sedan

Question type: Maintenance & Repair

It is 2009 Mercury Grandmarquis

1 Answer

It is true they can break (3V Triton engine). You need to buy a broken plug removal tool before starting. Soak all the plugs with penetrating oil overnight before proceeding.

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