Lower Intake Manifold Torque and Sequence

NOTICE: Proper lower intake manifold fastener tightening sequence and torque is critical. Always follow the tightening sequence, and torque the intake manifold bolts using the 3 step method. Failing to do so may distort the crankshaft bearing bore alignment and cause damage to the crankshaft bearings.





1. Tighten the bolts on the first pass in sequence (1-8) to 3 Nm (27 inch lbs.).
2. Tighten the bolts on the second pass in sequence (1-8) to 12 Nm (106 inch lbs.).
3. Tighten the bolts on the final pass in sequence (1-8) to 15 Nm (11 ft. lbs.).