lincoln mkz spark plug replacement 2007 2008 2009

[@naojwett]

and what tool do you use. to torque

[@theoccasionalmechanic4569]

You use a torque wrench to tighten things to a certain amount.

[@naojwett]

what is cross thread

[@theoccasionalmechanic4569]

Cross thread is when the threads on one part end up misaligning with the threads on the mating part. The part goes in crooked.