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What is the sequence for removing and installing cylinder head bolts?

1 Answers

PresleyLynn

08/27/25 6:41am

Here is the sequence for removing and installing cylinder head bolts: 1. Remove the bolts in three stages, working from both sides towards the center in a crisscross and symmetrical order. 2. Use a torque wrench or a special socket to loosen each cylinder head bolt in a crisscross and symmetrical order from both sides towards the center. 3. Continue using the torque wrench or special socket to remove the bolts from the cylinder head in the same order. 4. Remove the cylinder head and bolts, and place them in a specific location, arranged in order. 5. Before installation, clean the cylinder block, cylinder bore, and cylinder head surface with a clean cloth. 6. Install a new cylinder head gasket, apply a layer of sealant on the gasket, and align the gasket with the threaded holes on the cylinder block. 7. Lubricate and install new cylinder head bolts. 8. Tighten the cylinder head bolts in three to four stages from the center towards both sides in a crisscross pattern according to the specified torque.

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