Checking Tightness of Wheel Bolts M39810 Check wheel bolts often during the first 100 hours of operation. Tighten every other bolt in sequence until all bolts are at 88 N·m (65 lb-ft). Raising Hood M71489 1. Lift front of hood up. 105 16 x 7.50 - 8 2 56-83 kPa (8-12 psi) 18 x 8.50 - 8 4 40-152 kPa (6-22 psi) 23 x 8.50 -12 2 40-70 kPa (6-10 psi) 23 x 10.50 -12 2 40-70 kPa (6-10 psi) 26 x 12.00 -12 2 40-70 kPa (6-10 psi) 26 x 12.00 -12 4 40-138 kPa (6-20 psi)