It took all day for me because I was being careful, but wasn't hard to actually do. I didn't notice much of a difference in performance, but at least my car doesn't almost stall out on cold mornings anymore. Make sure you have the tools the DIY says you need. You really need them.
Mobil 1. Just use Mobil 1.
Last edited by e4Tsex; 07-07-2012 at 05:46 PM.