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Buick
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1989
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Reatta V6-231 3.8L VIN C SFI
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Repair and Diagnosis
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Mechanical Specifications
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Engine
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Cylinder Head Assembly
Cylinder Head Assembly
Cylinder Head Bolts
Cylinder Head Bolts Tightening Sequence:
In the sequence shown (refer to image):
A.
Torque bolts to
35 ft. lbs.
B.
Tighten all bolts an additional
130°
C.
Tighten center four bolts an additional
30°