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A-Premium®Part # APTHB036

Throttle Body Assembly with Sensor for Chevy Silverado 1500 2003-2005 GMC Buick Cadillac

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$81.99

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2-year warranty

90 days free return

Fits 2004 - 2004 Buick Rainier, 2003 - 2005 Cadillac Escalade, 2003 - 2006 Cadillac Escalade, 2003 - 2006 Cadillac Escalade ESV, 2003 - 2006 Cadillac Escalade EXT, 2003 - 2006 Chevrolet Avalanche 1500, 2007 - 2007 Chevrolet Express 1500, 2007 - 2007 Chevrolet Express 2500, 2007 - 2007 Chevrolet Express 2500, 2003 - 2006 Chevrolet Express 2500, 2007 - 2007 Chevrolet Express 3500, 2007 - 2007 Chevrolet Express 3500, 2003 - 2006 Chevrolet Express 3500, 2003 - 2006 Chevrolet Silverado 1500, 2003 - 2006 Chevrolet Silverado 1500, 2003 - 2006 Chevrolet Silverado 1500, 2007 - 2007 Chevrolet Silverado 1500 Classic, 2007 - 2007 Chevrolet Silverado 1500 Classic, 2007 - 2007 Chevrolet Silverado 1500 Classic, 2003 - 2003 Chevrolet Silverado 1500 HD, 2007 - 2007 Chevrolet Silverado 1500 HD Classic, 2003 - 2004 Chevrolet Silverado 2500, 2003 - 2006 Chevrolet Silverado 2500 HD, 2007 - 2007 Chevrolet Silverado 2500 HD Classic, 2003 - 2006 Chevrolet Silverado 3500, 2007 - 2007 Chevrolet Silverado 3500 Classic, 2003 - 2004 Chevrolet SSR, 2003 - 2006 Chevrolet Suburban 1500, 2006 - 2006 Chevrolet Suburban 1500, 2003 - 2006 Chevrolet Suburban 2500, 2003 - 2006 Chevrolet Tahoe, 2003 - 2006 Chevrolet Tahoe, 2004 - 2004 Chevrolet Trailblazer EXT, 2003 - 2007 Chevrolet W3500 Tiltmaster, 2003 - 2007 Chevrolet W4500 Tiltmaster, 2003 - 2004 GMC Envoy XL, 2007 - 2007 GMC Savana 1500, 2007 - 2007 GMC Savana 2500, 2007 - 2007 GMC Savana 2500, 2003 - 2006 GMC Savana 2500, 2007 - 2007 GMC Savana 3500, 2007 - 2007 GMC Savana 3500, 2003 - 2006 GMC Savana 3500, 2003 - 2006 GMC Sierra 1500, 2003 - 2005 GMC Sierra 1500, 2003 - 2006 GMC Sierra 1500, 2007 - 2007 GMC Sierra 1500 Classic, 2007 - 2007 GMC Sierra 1500 Classic, 2007 - 2007 GMC Sierra 1500 Classic, 2003 - 2003 GMC Sierra 1500 HD, 2007 - 2007 GMC Sierra 1500 HD Classic, 2003 - 2004 GMC Sierra 2500, 2003 - 2006 GMC Sierra 2500 HD, 2007 - 2007 GMC Sierra 2500 HD Classic, 2003 - 2006 GMC Sierra 3500, 2007 - 2007 GMC Sierra 3500 Classic, 2004 - 2007 GMC W3500 Forward, 2003 - 2007 GMC W4500 Forward, 2003 - 2006 GMC Yukon, 2003 - 2006 GMC Yukon, 2003 - 2006 GMC Yukon XL 1500, 2003 - 2006 GMC Yukon XL 2500, 2003 - 2007 Hummer H2, 2005 - 2006 Chevrolet Silverado 1500 HD, 2005 - 2006 GMC Sierra 1500 HD

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Item LocatedUnited States

Quantity1

ColorGray, Black

Part interchange

12570800, 12679525, 977-307, 217-2293, 337-05400, 67-3000, S20006, TB1008

item #1003D31D

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What does a throttle body do?

The throttle body acts as a valve between the air intake system and the engine's intake manifold. It controls the flow of air into the engine. When you press the accelerator pedal, the throttle body opens, allowing more air to enter, which in turn increases engine power. Inside the throttle body, there is a throttle plate that can rotate. When you press the accelerator, it opens to allow more air in. Releasing the accelerator causes the throttle plate to close, reducing the airflow.

The throttle body plays a crucial role in controlling the engine's idle speed. When the vehicle is at a standstill or moving at low speeds, the throttle plate may be partially closed to limit the amount of air entering the engine. This helps maintain a stable and efficient idle. By adjusting the position of the throttle plate, the engine control unit (ECU) can regulate the air-fuel mixture to optimize performance and fuel efficiency. When you need more power, the throttle plate opens wider to allow more air for combustion.

How to clean a throttle body?

Tools needed:

Screwdriver or socket set

Throttle body cleaner

Clean cloth or paper towels

Safety glasses and gloves

Steps:

Safety Precautions:

Ensure the engine is cool.

Wear safety glasses and gloves.

Disconnect the battery.

Locate the Throttle Body: Find it between the air intake hose and the intake manifold.

Remove Air Intake Tube: If needed, detach the air intake tube to access the throttle body.

Inspect and Clean: Use a throttle body cleaner to spray and clean the throttle plate and interior surfaces. Wipe away residue with a cloth.

Reassemble: Reattach the air intake tube and reconnect the battery.

Start and Test: Start the engine and take it for a test drive to ensure smooth operation.

Remember to use a cleaner designed for throttle bodies and avoid abrasive materials.

Throttle Body

What does a throttle body do?

How to clean a throttle body?

Tools needed:

Steps:

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