2002 Opel Astra G Service And Repair Manual 2002 Opel Astra G Service And Repair Manual. Fixing problems in your vehicle is a do-it-approach with the Auto Repair Manuals as they contain comprehensive instructions and procedures on how to fix the problems in your ride. Opel/astra 2002 manual - Fixya Opel/astra 2002 manual - Astra Opel Cars & Trucks. Posted by Anonymous on Jul 11, 2012. I have done the walsh plugs at the rear of the block on an opel astra 2002 evotech i have removed the injector rail and the manifold to get to the walsh plugs but when i have put it all back then the.