How Do I Fix The Speedometer On My 95 Taurus

My speedometer goes crazy when I reach about 50 mph. I makes a rattling noise and goes back and forth between 45 and 80. How do I fix it?

Answers for The Question

  1. saveahorse_ridea_cowgirl
  2. speeddemon_747
  3. kayef57
  4. Joshua S
  5. Josh S