Yes, the mandatory search, or even a screen strongly suggesting a search be done BEFORE a new thread can be created would be a good idea.
And sure, sometimes a search can be hard to sift through, but spend a bit of time and do some work and you'll learn a lot, even if some of it is off-topic. And how many times can those in the know really be bothered typing the same detailed explanations?
Hen
Moral of the story: Don't expect everything served up on a plate, and go get your hands dirty, we are talking cars after all.