another volvo 440 at work got similar symptoms ramz...i have told her to do same ...although some big garage has told her that her linkages are knackered..i told her to try the lube first and see what happens as silicone lube aint that expensive..her car only creaks at very low speeds..
http://www.volvoforums.org.uk/showthread.php?t=21188
hers the thread i put up for that car..