Thursday, January 23, 2014
How to Install an Exhaust on a Truck
The exhaust system on a truck helps to direct the exhaust gases away from the engine bay and safely out the rear of the vehicle. Since exhaust gases coming out of the engine are extremely hot, its best to work on the exhaust system only after the truck has completely cooled down. Over time, most exhaust systems---unless they are stainless steel---will rust or corrode, especially if you live in the northern hemisphere, due to the corrosive nature of the salt and sand that is frequently spread across the roads in winter months to melt ice and snow. Once the rust or corrosion happens, youll have to take off the exhaust system. But youll also need to know how to install an exhaust on a truck.
Instructions
- 1
Place the new exhaust system on top of the jack stands so that the entire exhaust is raised off the ground. If your truck does not sit high enough off the ground, youll need to simply rest the exhaust system on the ground while you work. Make sure the exhaust is oriented so that the catalytic converter or converters are toward the front of the vehicle and the muffler is toward the rear.
2Slide the exhaust system onto the hangers underneath the truck that are attached to the body. The hangers are composed of a metal hook with a rubber loop. The new exhaust will have a metal hook also. Youll need to slide the metal hook on the exhaust system through the rubber loop attached to the bodys metal hooks.
3Install the O2 sensors into the exhaust using the O2 sensor tool and socket wrench. The O2 sensor will thread into the exhaust like a bolt, and youll need to turn it clockwise to tighten.
4Plug the electrical connectors into the O2 sensor(s).
5Place a gasket over the end of the exhaust piping, and bolt the exhaust piping to the exhaust manifold on the engine.
6Turn on the truck and check for any exhaust leaks. You will be able to visibly see any exhaust gases leaking from the connection at the exhaust manifold. If there is a leak, separate the exhaust piping from the manifold, and readjust the gasket or replace it with a new gasket.
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