I recently put some Sportlines on my 02 GT a few weeks ago and after noticed a squeaking noise coming from the rear driver side suspension. I also noticed a few people with the same type of problem. This weekend I solved the problem. To my surprise it wasn't the bushings, it was the ebrake line and bracket. The line was rubbing on the bracket and making a really loud squeaking noise. It baffled me how it was even making the noise. Anyway, I just put some White Lithium Grease all around the bracket and it was fixed.
Just thought I would pass along some info.
Just thought I would pass along some info.