UNDER PRESSURE
3rd Gen Hemi MDS plugs can be tricky to remove. Even more so to get them out without breaking them! Here’s a simple trick. Spray some penetrating oil around all the plugs, then apply compressed air with a rubber tipped air blower to the MDS drain port located in the middle of each lifter bank. While holding air pressure to the port use your other hand to lightly tap on the top of the plug with a small hammer. As you tap on the plug with air pressure on it, it’ll work up and down and eventually pop right out! Sometimes they really come hustling out, so be careful and wear your safety glasses.
Jake Sampson
Sampson Racing Engines
Inver Grove Heights, MN
DEC, 2022
