Vauxhall Astra Noises Knock

Hi Guys, I've Had My Astra Around 6 Months And Not A Problem Until Now. The Last 2 Weeks I've Noticed A Loud Knocking Noise From The Centre...

When Reversing At Slow Speed Or Coasting If You Apply The Brakes You Get A Clunncking/knocking Noise I Cant Quite Pinpoint Where Its Coming...

Hi I Recently Purchased Astra 1.6 16v Auto That, I Was Told The Head Gasket Had Gone Its Has An Lpg Conversion On It, Anyway I Started The...