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How to Clean a Chevy Blazer EGR Valve

2012-02-18   Views:14

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The Blazer is a midsize sport utility vehicle deigned and manufactured by Chevrolet. The Blazer is equipped with an exhaust gas recirculation valve, commonly called the EGR. The EGR is the main component that controls the exhaust as it enters the eng

How to Clean a Chevy Blazer EGR Valve

The Blazer is a midsize sport utility vehicle deigned and manufactured by Chevrolet. The Blazer is equipped with an exhaust gas recirculation valve, commonly called the EGR. The EGR is the main component that controls the exhaust as it enters the engine intake manifold. The intake manifold cools the exhaust, preventing the engine from overheating. If the EGR is dirty, it will not function properly and exhaust will not get cooled. It's important to clean the EGR to ensure the Blazer runs efficiently.

Skill level:Moderate

Things you need

Socket wrenchCarburettor cleanerWire brushRags

Instructions

1 Place the Blazer in "Park" on a level surface. Turn the engine off and remove the key. Allow the Blazer to cool for a half hour to prevent components under the bonnet from being too hot.

2 Open the bonnet of the Blazer by pulling the handle located inside the Blazer on the lower left side of the instrument panel. Locate the EGR valve; the valve is behind the air conditioner compressor just above the thermostat on Chevy Blazers.

3 Remove the valve using a socket wrench. Loosen the four bolts securing the valve in place. Once the bolts are removed, the EGR can be lifted off the mount. Removal of the valve may require some force due to excessive carbon build-up in and around the component.

4 Apply carburettor cleaner to the valve, making sure cleaner is sprayed inside and outside. Apply cleaner to the valve mount as well. For excessive build-up, allow the cleaner to soak the components for five minutes. Remove the deposits and grime using a wire brush and rag.

5 Reinstall the EGR by placing it back onto the valve mount. Replace the four bolts and tighten using the socket wrench. Close the bonnet of the Blazer. Repeat these steps anytime maintenance of the valve is necessary.

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