Cris,
Interesting topic I like to keep the car reasonably rattle free where I can, it is a nice "challenge". On the plus-4;
1) Rattle from the bonnet at low revs. Solved with some neoprene & Ducktape on the bonnet catches and the stops. Looks horroble but works so promoted from temporary fix to semi permanent fix. (Can't see it with the bonnet closed anyway)
2) An anoying rattle from the right hand door when going over bumps. Found it was the front window a bit loose in its frame along the top. Cured it by shoving a piece of tie rap by the side of the window. Invisible and cured the rattle but it later fell out so permanent fix under investigation.
3) At crawling speed on bumpy road (to my house so almost every day) a lot of rattle from under the car. Went round tapping on various parts, found it worse when kicking the front tires! Sounds like the springs on the king-pins? Not looked at a fix yet probably wont mess with it if it is the suspension.
4) Quite a bit of rattle from the engine. It is always there, at idle and under load. Thought it was the injectors but I also hear it on overrun so I now think the valves? Checked with the dealer, he says the Duratec has hydraulic tappets. Looked on the internet and found the roadster has hydraulic tappets but not the 2L. However they are "maintenance free" which for the dealer is probably the same thing, they cant be adjusted (unless you take the camshafts out I guess). Anyone else has a noisy 2L Ford engine?

JJW