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Buick
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1997
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Skylark V6-3100 3.1L VIN M SFI
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Repair and Diagnosis
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Specifications
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Mechanical Specifications
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Engine
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Cylinder Head Assembly
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System Specifications
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Intake Manifold Torque & Sequence
Intake Manifold Torque & Sequence
TIGHTENING SPECIFICATIONS
Upper Bolts
25 Nm (18 lb ft)
Lower Bolts
Tighten the lower bolts in two steps.
1st step torque vertical bolts
13 Nm (115 lb in)
2nd step torque diagonal bolts
13 Nm (115 lb in)