How to replace the intake manifold on Chevrolet Trailblazer?

The process begins by removing the Throttle Body along with the pcm and engine harness bracket connectors before releasing the front differential vent hose from its bracket clip. Start by removing the engine harness bracket bolt before removing the bracket followed by disconnecting the MAP Sensor electrical connector and the crankcase ventilation hose along with the brake hose at the booster. The first step involves generator removal before starting the bolt loosening procedure of Intake Manifold bolts followed by Intake Manifold removal. Begin by applying a new Intake Manifold Gasket and afterward position the Intake Manifold onto the engine while tightening bolts at 10 nm (89 inch lbs.). After reinstalling the generator and booster brake hose you must apply gm p/n 12345884 (Canadian P/N 5728223) lubricant to the inner diameter of the crankcase ventilation hose before installing it. Secure the engine harness bracket by torquing its bolt to 50 nm (37 ft. Lbs.) after reconnecting the MAP Sensor electrical connector. Secure the front differential vent hose to the engine harness bracket clip then replace all engine harnesses to their proper locations on the bracket before reinstalling the pcm which requires reinstalling the Throttle Body.

OEM Chevrolet Trailblazer Intake Manifold

Engine Intake Manifold

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6 Intake Manifolds found

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Chevrolet Trailblazer Intake Manifold Part Number: 89017800
$312.17 MSRP: $495.64
You Save: $183.47 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Manifold Assembly, Intake (Service); Manifold, Engine Fuel Intake Manifold
- Replaces: 12570882, 89017551
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2007 Chevrolet Trailblazer | LS, LT, LTZ, North Face | 6 Cyl 4.2 L GAS
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Chevrolet Trailblazer Intake Manifold Part Number: 25204837
$22.42 MSRP: $35.59
You Save: $13.17 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Manifold, Engine Fuel Intake Manifold
- Replaces: 55496066
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | L, LS, LT | 3 Cyl 1.2 L GAS
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Chevrolet Trailblazer Intake Manifold Part Number: 12688239
$32.64 MSRP: $51.81
You Save: $19.17 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Manifold, Engine Fuel Intake Manifold
- Replaced by: 12684024
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | ACTIV, LS, LT, RS | 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Intake Manifold Part Number: 12580420
$187.90 MSRP: $295.65
You Save: $107.75 (37%)
Product Specifications
- Other Name: Manifold, Engine Fuel Intake Manifold; Manifold
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2008 Chevrolet Trailblazer | Base, LS, LT, SS | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Trailblazer Intake Manifold Part Number: 12620308
$223.16 MSRP: $351.12
You Save: $127.96 (37%)
Product Specifications
- Other Name: Manifold, Engine Fuel Intake Manifold; Manifold
- Replaces: 12597598
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009 Chevrolet Trailblazer | SS | 8 Cyl 6.0 L GAS
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Chevrolet Trailblazer Intake Manifold Part Number: 89060570
Product Specifications
- Other Name: Manifold Assembly, Intake (Service); Manifold, Engine Fuel Intake Manifold
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Chevrolet Trailblazer | Base, LT | 6 Cyl 4.2 L GAS

Chevrolet Trailblazer Intake Manifold

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The Intake Manifold of Chevrolet Trailblazer automobiles is responsible for delivering either air or air/fuel mixture to the cylinders with a lot of pressure, this part has a huge effect to the horsepower and torque of the car. It functions in this manner by sucking air from the throttle body or carburetor with slight differences in its design according to the type of the engine. For example, older models with carburetors or Throttle Body Injection mix fuel within the manifold and the most of modern multi port fuel injection relies on individual injectors. Chevrolet Trailblazer intake manifolds have gradually replaced the older conventional metallic intakes such as the cast iron and the aluminum, with the modern light weight, composite plastic intakes that increase the fuel efficiency and cooling. Some designs have variable-length intake manifolds (VLIM) that assists in flow control and enhances performance when reacting to change in engine load condition. In all, the Intake Manifold plays a vital role in the combustion chamber and the efficiency of the Chevrolet Trailblazer vehicles.

Chevrolet Trailblazer Intake Manifold Parts and Q&A

Intake Manifold
89017800
Q: How to replace the intake manifold on Chevrolet Trailblazer?
A:
The process begins by removing the Throttle Body along with the pcm and engine harness bracket connectors before releasing the front differential vent hose from its bracket clip. Start by removing the engine harness bracket bolt before removing the bracket followed by disconnecting the MAP Sensor electrical connector and the crankcase ventilation hose along with the brake hose at the booster. The first step involves generator removal before starting the bolt loosening procedure of Intake Manifold bolts followed by Intake Manifold removal. Begin by applying a new Intake Manifold Gasket and afterward position the Intake Manifold onto the engine while tightening bolts at 10 nm (89 inch lbs.). After reinstalling the generator and booster brake hose you must apply gm p/n 12345884 (Canadian P/N 5728223) lubricant to the inner diameter of the crankcase ventilation hose before installing it. Secure the engine harness bracket by torquing its bolt to 50 nm (37 ft. Lbs.) after reconnecting the MAP Sensor electrical connector. Secure the front differential vent hose to the engine harness bracket clip then replace all engine harnesses to their proper locations on the bracket before reinstalling the pcm which requires reinstalling the Throttle Body.