How to replace the intake manifold on Chevrolet Trailblazer?

Begin Intake Manifold replacement by removing the Throttle Body and pcm followed by removing all harnesses from the engine harness bracket. The front differential vent hose should be detached from its bracket clip followed by removal of the engine harness bracket bolt to pull off the bracket. The first step includes disconnecting the map sensor electrical connector followed by braking the crankcase ventilation hose and booster hose. Caps off the generator before loosening the Intake Manifold bolts to finally extract the Intake Manifold itself. The installation process includes placing a new Intake Manifold Gasket before setting the Intake Manifold on the engine and tightening its bolts to 10 nm (89 inch lbs.). Put the booster generator and brake hose back into their correct position. Apply gm p/n 12345884 (Canadian P/N 5728223) equivalent lubricant to the inner hose diameter before reinstalling the hose and attaching the map sensor electrical connector. Reattach the engine harness bracket, securing it with the bolt tightened to 50 nm (37 ft. Lbs.)next comes installation of the front differential vent hose to engine harness bracket clip. The last step includes connecting all harnesses to their correct locations while installing the pcm followed by reinstallation of 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: 12620308
$216.35 MSRP: $351.12
You Save: $134.77 (39%)
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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: 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
$22.72 MSRP: $35.59
You Save: $12.87 (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
$40.45 MSRP: $63.36
You Save: $22.91 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Manifold, Engine Fuel Intake Manifold
- 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: 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 Questions & Experts Answers

Intake Manifold
89017800
Q: How to replace the intake manifold on Chevrolet Trailblazer?
A:
Begin Intake Manifold replacement by removing the Throttle Body and pcm followed by removing all harnesses from the engine harness bracket. The front differential vent hose should be detached from its bracket clip followed by removal of the engine harness bracket bolt to pull off the bracket. The first step includes disconnecting the map sensor electrical connector followed by braking the crankcase ventilation hose and booster hose. Caps off the generator before loosening the Intake Manifold bolts to finally extract the Intake Manifold itself. The installation process includes placing a new Intake Manifold Gasket before setting the Intake Manifold on the engine and tightening its bolts to 10 nm (89 inch lbs.). Put the booster generator and brake hose back into their correct position. Apply gm p/n 12345884 (Canadian P/N 5728223) equivalent lubricant to the inner hose diameter before reinstalling the hose and attaching the map sensor electrical connector. Reattach the engine harness bracket, securing it with the bolt tightened to 50 nm (37 ft. Lbs.)next comes installation of the front differential vent hose to engine harness bracket clip. The last step includes connecting all harnesses to their correct locations while installing the pcm followed by reinstallation of the Throttle Body.