Re: 3.6 spark plug change
I would be looking at/ changing front and rear axle fluid and tcase fluid if it were mine and if its a 2011-2013 I would be changing transmission fluid and filter also.
Ordered 7/14/16 Received 9/14/16: 2017 SRT in white, high performance brakes, high performance audio, trailer tow, duel-pane, lightweight forged wheels
Previous: 2005 Wrangler Unlimited Detroit lockers w/4.88 gears on 35's
Current: 2014 Camaro 1LE, 1985 Mazda RX7 GSL-SE, 2013 Kawasaki Ninja 300