To remove the HT leads from the top of the spark plugs you need a special tool, or else you will knacker your HT leads trying to pull them out. The Golf came with the tool - Do you have a plastic tube like thing attached to the bonnet stay? If you have then thats the tool, if not you can buy them seperatly. Note: If you are fortunate enough to still have the tool, remember its plastic and will melt if used on a hot engine. The coil pack is bolted to the RHS of the engine (it has all the HT leads going into it). The pack about 6" x 4" and is black. However, you may not have a coilpack and