1. Tighten the head bolts in the following order(in increments of 19ft-lbs)
>
27>21>15>9
26>20>14>8
25>19>13>7
24>18>12>6
23>17>11>5
22> 16> 10> 4
3 > 31>29>1
2. After the first tightening, repeat the tightening sequence using the appropriate torque:
>
STEP: TORQUE
Step 1: 72.5 lb/ft (98.3 N.m)
Step 2: 72.5 + 44 lb/ft (98.3 + 60 N.m)
Step 3: Final torque: 80 lb/ft (108.5 N.m)