It's not important, just tighten it.
Yes, they share the same gasket and bolts.
Its a bit of a job because it is held on by the same bolts as the intake manifold, and the easiest way is to remove them both, otherwise the rusted exhaust bolts holding the tubing to the manifold is the worst.
My manual says 20-25 ftlbs...
It depends on where you purchase them from.
The intake manifold, on your Jeep grand Cherokee, is located on the front side of the engine. The exhaust manifold is bolted to the engine.
There are no tricks. It is part of the exhaust manifold.There are no tricks. It is part of the exhaust manifold.
Yes.
Drivers side of the engine in the exhaust pipe below the exhaust manifold.
In a 1998 Jeep Wrangler, the oxygen sensor is located in the exhaust pipe. It can be found just below the junction of the exhaust manifold and the exhaust pipe.
thank you
Torque specs for main bearing
it is located on the drivers side of the engine under the air intake manifold