How to service and repair the Brake Master Cylinder on Chevrolet Trailblazer?

Begin repairs on the Brake Master Cylinder by placing its mounting flange in a bench vise to locate the primary Piston at the back. Install correct fittings on master cylinder ports that match necessary flared-seam standards and enable hose connections. Place these fittings on master cylinder ports and join them with transparent hoses into the reservoir. Place delco supreme 11 gm brake fluid reference numbers 12377967 and 992667 or equivalent dot-3 brake fluid in the reservoir until it reaches halfway while completely immersing hose ends in a clean sealed fluid container. Depress the primary Piston into a cylinder 25 mm using a smooth blunt instrument and watch fluid flow from both ports. You will notice air exits the primary and secondary pistons during the process as pushing force grows stronger and depression distance shortens. Push and release the primary Piston again to know fluid flows out of ports without trapped air. Replace the transparent hoses in the reservoir. Put back the master cylinder reservoir parts and take off the fittings with hoses from the provider ports. Soften spills during removal with shop cloth before taking the master cylinder out of the vise.

OEM Chevrolet Trailblazer Brake Master Cylinder

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Chevrolet Trailblazer Master Cylinder
Part Number: 15142479
$53.25 MSRP: $100.00
You Save: $46.75 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cylinder, Brake Master Cylinder; Brake Master Cylinder
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2008 Chevrolet Trailblazer | Base, LS, LT, SS | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Trailblazer ABS Control Unit
Part Number: 42790149
$761.24 MSRP: $1203.15
You Save: $441.91 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Valve Kit, Electronic Brake Control; Cylinder, Brake Master Cylinder
- Replaced by: 42907267
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023 Chevrolet Trailblazer | ACTIV, LS, LT, RS | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Modulator Valve
Part Number: 42742904
$738.31 MSRP: $1330.28
You Save: $591.97 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve Kit, Electronic Brake Control; ABS Control Module; ABS Control Unit; Cylinder, Brake Master Cylinder
- Replaced by: 42769597
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2022 Chevrolet Trailblazer | ACTIV, L, LS, LT, RS | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Master Cylinder
Part Number: 19417223
$163.38 MSRP: $293.06
You Save: $129.68 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder, Brake Master Cylinder
- Replaces: 25828524, 84164395
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009 Chevrolet Trailblazer | LT, SS | 6 Cyl 4.2 L GAS, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Trailblazer Master Cylinder
Part Number: 19209266
Product Specifications
- Other Name: Cylinder, Brake Master Cylinder; Brake Master Cylinder
- Replaces: 18060788, 18044393
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2005 Chevrolet Trailblazer | LS, LT, LTZ, North Face | 6 Cyl 4.2 L GAS

Chevrolet Trailblazer Brake Master Cylinder

Our website offers an extensive catalog of genuine Chevrolet Trailblazer Brake Master Cylinder at unbeatable prices. Every OEM Chevrolet Trailblazer Brake Master Cylinder comes with a manufacturer's warranty, an easy return policy, and rapid delivery service. Don't miss out on this great opportunity!

Chevrolet Trailblazer Brake Master Cylinder Parts Questions & Experts Answers

Master Cylinder
19209266
Q: How to service and repair the Brake Master Cylinder on Chevrolet Trailblazer?
A: Begin repairs on the Brake Master Cylinder by placing its mounting flange in a bench vise to locate the primary Piston at the back. Install correct fittings on master cylinder ports that match necessary flared-seam standards and enable hose connections. Place these fittings on master cylinder ports and join them with transparent hoses into the reservoir. Place delco supreme 11 gm brake fluid reference numbers 12377967 and 992667 or equivalent dot-3 brake fluid in the reservoir until it reaches halfway while completely immersing hose ends in a clean sealed fluid container. Depress the primary Piston into a cylinder 25 mm using a smooth blunt instrument and watch fluid flow from both ports. You will notice air exits the primary and secondary pistons during the process as pushing force grows stronger and depression distance shortens. Push and release the primary Piston again to know fluid flows out of ports without trapped air. Replace the transparent hoses in the reservoir. Put back the master cylinder reservoir parts and take off the fittings with hoses from the provider ports. Soften spills during removal with shop cloth before taking the master cylinder out of the vise.