How to replace the throttle body assembly on 2003 Chevrolet Avalanche 1500?

Carefully handle the electronic throttle control parts in order to replace the throttle body assembly. Turn off the cooling system, take out the air cleaner out duct and undo the throttle actuator motor. Unmount the throttle body, gasket, and replace it with a new one and mount the throttle body. Reconnect, fill-up the cooling system and check the throttle.

OEM 2003 Chevrolet Avalanche 1500 Throttle Body

Fuel Injection Throttle Body

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2003 Chevrolet Avalanche 1500 Throttle Body Part Number: 19420713
$196.41 MSRP: $398.92
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Product Specifications
- Other Name: Body, Fuel Injection Air Meter
- Replaces: 12679525, 12570800
- Condition: New
- SKU: 19420713
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2003 Chevrolet Avalanche 1500 Submodels:
- Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS

2003 Chevrolet Avalanche 1500 Throttle Body

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2003 Chevrolet Avalanche 1500 Throttle Body Parts and Q&A

Q: How to replace the throttle body assembly on 2003 Chevrolet Avalanche 1500?
A: Carefully handle the electronic throttle control parts in order to replace the throttle body assembly. Turn off the cooling system, take out the air cleaner out duct and undo the throttle actuator motor. Unmount the throttle body, gasket, and replace it with a new one and mount the throttle body. Reconnect, fill-up the cooling system and check the throttle.