Sunday, October 20, 2013
How to Find the Inlet Outlet of a Catalytic Converter
Catalytic converters are used in almost every modern internal combustion engine (gasoline or diesel) to filter toxic elements out of the engine exhaust. This mainly works by using a catalyst such as platinum or rhodium to chemically bond oxygen to the toxic chemicals, thus rendering them harmless and keeping them from being released into the atmosphere. Catalytic converters can be damaged by coolant leaks and overheating, and are sometimes stolen for the precious metals they contain, and since most countries require their use by law, they must be replaced immediately. They have a front inlet pipe and a rear outlet pipe, which can look similar. It is critical to identify which pipe is which before installation.
Instructions
- 1
Look up proper catalytic converter to buy for your make and model of car in a parts guide or at an auto shop, where it will have part catalogs for your car. The catalytic converter you purchase will be made specifically to fit your car.
2Consult a diagram of your cars exhaust system once you have purchased the new converter, so that you can see where the converter needs to be installed. Note the shape of the converter and compare it to the diagram. This will tell you which pipe should face forward and which should face backwards. The forward-facing pipe is the inlet, and the rear-facing pipe is the outlet.
3Mark the inlet and outlet on the new catalytic converter with a piece of chalk or a pencil so that, when you remove the old converter and get ready to install the new, you will immediately know which pipe goes forward (inlet) and which faces back (outlet).
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