[99eldo]

I have a 1999 Cadillac Eldorado that has developed a squeak in the rear suspension. Has anyone had that problem and if so how was it resolved?

 

[sjwoodruff]

Could be a lot of things. Describe the sound/circumstances a little bit more in depth so that others can evaluate if they've been there too.

On a hunch, I'd say that your shocks are beginning to wear. They'll begin to squeak a little bit when traversing bumps as they age and wear out. If you're over 100K on your Eldo, then I'd be willing to bet this is the issue.