Originally Posted by LancerRalliArt

3 hours... because you have to remove the block so that you can put the heater on it. I would let the dealer do it or you void all chances of having any warranty. If you have never removed a block before I would leave it to the guys that know how to do it.

It is actually quite the job!

Correct, it is an extra; however, the dealership has to order the car with the part or it will not come with one. Many of them do not order it.