The shop manual should have a picture of the head bolt tightening sequence. If there is no shop manual or technical data available, the best tightening sequence would be:
A) Tighten from left to right all of the top row [intake side] first, then tighten all of the bottom row [exhaust] bolts right to left
B) Tighten from left to right all of the bottom row bolts [exhaust side] first, then tighten all of the top row [intake] bolts right to left
C) A circular pattern beginning in the center and ending on the outboard ends
D) A circular pattern working from the outside toward the center

Question

Quizplus · Accepted Answer

Starting from the center and working outward helps distribute the pressure evenly across the head, reducing the risk of warping or uneven pressure.

The Shop Manual Should Have a Picture of the Head