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Question by  anita50 (29)

What is the torque spec for 1997 3.8 Buick Lesabre intake manifold?

 
+7

Answer by  tkarlav (1502)

The torque specs for that engines intake manifold are tighten the upper intake manifold bolts to 8 foot pounds and the lowers get tightened to 11 foot pounds. Make sure you follow the tightening sequence, and re torque the bolts after the first warm up and cool down cycle, this helps prevent loosness from heat distortion.

 
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