How to Properly Service and Replace the Intake Manifold on 2002 Chevrolet Avalanche 2500?

In order to change the intake manifold, loosen clamps, take off the air cleaner outlet duct, and loosen several sensors and harnesses. Take out intake manifold bolts and the intake manifold and dispose of gaskets. Install new manifold and gaskets, tighten bolts in order and reattach all parts and sensors. Last but not least, install air cleaner out duct.

OEM 2002 Chevrolet Avalanche 2500 Intake Manifold

Engine Intake Manifold

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2002 Chevrolet Avalanche 2500 Intake Manifold Part Number: 12581115
Product Specifications
- Other Name: Manifold, Engine Fuel Intake Manifold; Manifold
- Item Weight: 45.80 Pounds
- Item Dimensions: 31.3 x 16.6 x 16.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12581115
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2002 Chevrolet Avalanche 2500 Submodels:
- Base, LS, LT | 8 Cyl 8.1 L GAS

2002 Chevrolet Avalanche 2500 Intake Manifold

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2002 Chevrolet Avalanche 2500 Intake Manifold Parts and Q&A

Q: How to Properly Service and Replace the Intake Manifold on 2002 Chevrolet Avalanche 2500?
A: In order to change the intake manifold, loosen clamps, take off the air cleaner outlet duct, and loosen several sensors and harnesses. Take out intake manifold bolts and the intake manifold and dispose of gaskets. Install new manifold and gaskets, tighten bolts in order and reattach all parts and sensors. Last but not least, install air cleaner out duct.