Rabu, 29 Juni 2011

How to Replace EGR Valve on Nissan Sentra

Your Nissan Sentra's Exhaust Gas Recirculation (EGR) Valve is designed to send the unburned emissions fumes back into the engine so it can burn as much of the fuel as possible. This reduces the amount of emissions fumes expelled from the tailpipe. Occasionally, you will want to replace the EGR valve to keep the engine running efficiently. You can replace the valve yourself in just a few minutes.
Difficulty: Moderately Easy
Instructions
Things You'll Need
Socket wrench set
1

Pop your hood and locate the EGR valve, which is attached to the metal emissions tube above the intake manifold next to the firewall. Look for a round, metal cylinder with a rubber vacuum hose running from the top of the valve.
2

Slide the rubber vacuum hose off the EGR valve port by hand and set the hose out of the way. Unfasten the bolts securing the valve to the metal emissions tube with a socket wrench.
3

Remove the EGR valve from the engine compartment. Attach the new EGR valve to the metal emissions tube with the bolts.
4

Plug the rubber vacuum hose into the EGR valve port at the top of the valve to complete the part replacement.

Tips & Warnings

Allow the engine to cool down before attempting to replace the EGR valve.

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