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What is the torque setting for Chevy blazer 4.3 head bolts?

The torque spec for the head bolts on a Chevy 4.3L engine (specifically in a Blazer) isn't a single number. It's a multi-stage tightening process that requires a torque wrench and often a degree-based tightening after the initial torque stages. The exact sequence and values depend on the year of your Blazer.

You absolutely MUST consult a factory service manual for your specific year and model Blazer. The service manual will provide the correct torque sequence and specifications, which are critical to prevent head gasket damage or head cracking. Using the wrong torque will likely lead to engine failure.

Searching online for general torque values might give you incorrect information that could cause significant engine damage. A Haynes or Chilton repair manual specific to your vehicle is a cheaper alternative to a dealership's factory manual.

Don't risk damaging your engine by using an incorrect torque specification. Find the correct service manual for your vehicle.

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