[KempDobro]

Does anyone happen to know what I need to tighten my exhaust manifold bolts on a 97 Nissan Sentra with a GA16DE engine in it?

 

[Asleep]

german torque - gutundtite.

 

[Jeff]

I'm guessing...

Install the exhaust manifold with a new gasket. Torque the manifold fasteners from the center outward in several stages to 13-16 ft. lbs. (18-22 Nm)