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Normally they are done from the middle working their way out in a zig zag pattern. Most use a lighter torque then a finishing torque and all of this is to minimize the possibility of warping the head by too much pressure on one side.

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Q: Way should head gasket bolts be tightened in a crisscross sequence?
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What is the order of tighten of the head bolts?

The head bolts should be tightened in a specific sequence to ensure even distribution of pressure on the head gasket. Typically, this involves tightening them in a criss-cross pattern starting from the center and working outwards. It's important to consult your vehicle's service manual for the exact tightening sequence and torque specifications.


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