If your Bose speakers/amps are failing, you might as well replace them with modern higher powered alternatives. The OEM 4" door speakers are way under-powered and they sound horrible. The sub is also very weak and extremely out-dated even for standards back in those days, you'll know what I mean if you ever remove them and see for yourself. Get yourself a good pair of tweeters, 6.5" door speakers, and a 10-12" sub with a compact footwell enclosure. Upgrade your headunit and get a sweet amp to power your new setup. I recommend checking out the SoS website, they offer some nice accessories to make things easier. Double Din consoles, Double Din mounting brackets, trunk mounted amp boards, door speaker mounting boards, wire harnesses, etc. I'm not sure what you intend to spend, but if you like to listen to crisp music and want more of a modern setup, then I say replace all the way rather than repair!