Intake Manifold: Specifications

Lower Intake Manifold Bolt - Center 20 N.m 15 lb ft
Lower Intake Manifold Bolt - Corner 25 N.m 18 lb ft

Notice: Failure to tighten vertical bolts before the diagonal bolts may cause an oil leak.

Upper Intake Manifold Bolt/Stud 25 N.m 18 lb ft

Throttle Body Bolt 10 N.m 89 lb in
Throttle Body Stud 6 N.m 53 lb in