2000 Volkswagen Golf VW Bushings?

Suspension problem
2000 Volkswagen Golf 4 cyl Manual 180000 miles

I just drove a 2000 VW Golf from Maine to the very southern tip of South America. The car exceeded every expectation that I had, but during the last 36 hours (of the 3 month trip), a bunch of things broke. In December I need to return to Ushuaia, repair the car and get it out of Argentina. I know that I need a new windshield, left rear brake line, engine mount bolt, oil pan and power steering pump. The problem that I am really concerned about, however, is the suspention in the right rear tire. At the slightest of little bumps, the tire makes a booming, banging sound. I thought the shock might have gone, but someone looked at it and thought the shock looked alright. They thought that it might be a bushing. I want to arrive down in Argentina with all the parts I need. What can you tell me about the right rear bushing(s). Is there one or two? Is a missing or broken bushing consistent with the sounds that I am hearing? Are they easy to replace? What other problems might make these noises? Any help would be greatly appreciated and save me weeks of waiting for the right part to make it down there! Any other advice? (Junking the car is not an option in Argentina.) (You can read about the trip at www. Justinandsilveral. Com Look at the second part of the Argentina page for the car breakage description)