When you interchange the exhaust manifold, pennies the gasket.
In a faultless universe, an exhaust manifold would ultimate forever. As beautiful as that would be, all the more of your boat's exhaust development Testament extremity to be replaced every rare age, or your exhaust system Testament element burning spots and "terminal damage" to your boat's engine. This funds that every sporadic oldness you'll hold to interchange the exhaust manifold gaskets also.
Instructions
1. Be undeniable you posses the correctly gaskets for the exhaust development for your Engine. Determine the gasket place by the motor model number.
2. Use a wrench to remove the bolts that hold the exhaust manifold in place. Stash the bolts in a shirt pocket so they don't become misplaced.
3. Inspect the gaskets for the exhaust manifold. Hold the gasket in place to check its general fit--ensure the holes are in the correct locations, and that the holes are the right size and oriented properly. Inspect the general condition of the gaskets. They should be free of tears or other major imperfections.
4. Hang a gasket on the studs that extend from the engine block where the exhaust manifold was bolted and slide it back against the block. If the block is painted, there's no need to remove the paint.
Performance Product Technologies, an exhaust system manufacturer, recommends tightening the bolts to Ten foot-pounds in a "uniform sequence," then tightening the bolts to Twenty five foot pounds in the same sequence. After that, tighten the bolts to the recommended torque.5. Set the exhaust manifold back in place and reinstall the bolts to hold it in place. Torque the bolts to the manufacturer's recommended torque.
