Expansion tank puzzler

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Across
  1. 4. responsible for your Vw badge being stolen in the 80s
  2. 5. tailpipe found on 16V golf
  3. 6. place where 71 golfs were hand built
  4. 9. flagship Vw during the 80s
  5. 10. Another brick in the wall Cabrio
Down
  1. 1. Vw call it an estate but what is the Audi
  2. 2. Factory responsible for American Rabbits
  3. 3. weather system found on Sciroccos and corrados
  4. 7. a small lump of gold or yellow found on corrado
  5. 8. Toyota Hilux with a Vw badge