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All makes / Buick

Buick Grand National torque specs

Pick your years and engine.

1987 Grand National 3.8L V6 Turbo
1986 Grand National 3.8L V6 Turbo
1985 Grand National 3.8L V6 Turbo
1984 Grand National 3.8L V6 Turbo

Torque specs come from the Open Labor Project, the free automotive repair database. Specs marked verified were transcribed from OEM workshop data or checked by hand. For engine internals and safety parts, confirm the value and tightening sequence in the factory service manual.

How the data is built API access Open Labor Project