Install 8 new 12-mm bolts and tighten in the 2 stage sequence. Stage 1: Tighten to 12 Nm (9 lb-ft). Stage 2: Tighten to 25 Nm (18 lb-ft). Install 2 new 8-mm bolts and Tighten to 32 Nm (24 lb-ft). Tighten the eight 12-mm bolts in the 2 stage sequence. Stage 1: Tighten 90 degrees. Stage 2: Tighten an additional 90 degrees.