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

Secure the Brake Master Cylinder mounting flange on a workbench vise so you can access the back of the main Piston. Put suitable fittings on top of master cylinder ports so they match the brake line flare seat and can connect to hoses. Attach transparent hoses to the master cylinder ports through their fittings before placing them inside the reservoir. Put complete delco supreme 11 (R) gm brake fluid p/n 12377967 or its canadian equivalent dot-3 into the reservoir until the fluid lines reach their destination. Use sealed clean fluids from the original container. Push and let go the main Piston with a round tool for up to 25mm depths several times to check fluid flow through the ports. Pressing the primary cylinder requires more force and reduces its movement due to the air evacuation from the primary and secondary pistons. Regularly depress the primary Piston until the ports let out fluid without showing air bubbles. Replace the clear hoses inside the reservoir and put back the master cylinder parts. Next disconnect the hose fittings from their ports and use a cloth to cover the master cylinder before taking it off.

OEM Chevrolet Colorado Brake Master Cylinder

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Chevrolet Colorado Master Cylinder Part Number: 19417194
$131.76 MSRP: $236.37
You Save: $104.61 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cylinder, Brake Master Cylinder
- Replaced by: 19432750
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2012 Chevrolet Colorado | LT, WT | 4 Cyl 2.9 L GAS, 5 Cyl 3.7 L GAS, 8 Cyl 5.3 L GAS
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Chevrolet Colorado Master Cylinder Part Number: 84764333
$42.88 MSRP: $76.58
You Save: $33.70 (45%)
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Product Specifications
- Other Name: Cylinder Kit, Brake Master Cylinder; Brake Master Cylinder
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2022 Chevrolet Colorado | LT, WT, Z71, ZR2 | 4 Cyl 2.5 L GAS, 4 Cyl 2.8 L DIESEL, 6 Cyl 3.6 L GAS
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Chevrolet Colorado Master Cylinder Part Number: 19209275
Product Specifications
- Other Name: Cylinder, Brake Master Cylinder; Brake Master Cylinder
- Replaces: 89040283
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2008 Chevrolet Colorado | Base, LS, LT, Sport, Sport LS, WT, Z71, Z71 LS, Z85, Z85 LS | 4 Cyl 2.8 L GAS, 4 Cyl 2.9 L GAS, 5 Cyl 3.5 L GAS, 5 Cyl 3.7 L GAS
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Chevrolet Colorado Master Cylinder Part Number: 84749956
$72.76 MSRP: $129.92
You Save: $57.16 (44%)
Product Specifications
- Other Name: Cylinder Kit, Brake Master Cylinder; Brake Master Cylinder
- Replaces: 23234982, 84367261
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2020 Chevrolet Colorado | Base, LT, WT, Z71, ZR2 | 4 Cyl 2.5 L GAS, 4 Cyl 2.8 L DIESEL, 6 Cyl 3.6 L GAS

Chevrolet Colorado Brake Master Cylinder

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The Brake Master Cylinder is one of the crucial units of the braking system in Chevrolet Colorado vehicles as it translates the foot's pedal pressure into hydraulic. This hydraulic pressure transfers to the slave cylinders and thus cause the brakes to engage and produce the needed friction to halt the car. Common brake designs in Chevrolet Colorado include the dual circuit master cylinder, which means that if one circuit is a failure, the other one should offer enough for the brake. Chevrolet over the years has been using both cast iron and aluminum Brake Master Cylinder housings The type of housing used differed with the design of the reservoir as an integral part or external. The internal reservoirs are closed with one cap, while the external ones may be closed with a single threaded or two threaded caps. However, there are situations like leakage of brake fluid or failure within the brake system which definitely is an indication of inefficiency of the brakes, thus the need to have brake master cylinder for the safety and efficiency of the Chevrolet Colorado.

Chevrolet Colorado Brake Master Cylinder Parts Questions & Experts Answers

Master Cylinder
19209275
Q: How to service and repair the Brake Master Cylinder on Chevrolet Colorado?
A:
Secure the Brake Master Cylinder mounting flange on a workbench vise so you can access the back of the main Piston. Put suitable fittings on top of master cylinder ports so they match the brake line flare seat and can connect to hoses. Attach transparent hoses to the master cylinder ports through their fittings before placing them inside the reservoir. Put complete delco supreme 11 (R) gm brake fluid p/n 12377967 or its canadian equivalent dot-3 into the reservoir until the fluid lines reach their destination. Use sealed clean fluids from the original container. Push and let go the main Piston with a round tool for up to 25mm depths several times to check fluid flow through the ports. Pressing the primary cylinder requires more force and reduces its movement due to the air evacuation from the primary and secondary pistons. Regularly depress the primary Piston until the ports let out fluid without showing air bubbles. Replace the clear hoses inside the reservoir and put back the master cylinder parts. Next disconnect the hose fittings from their ports and use a cloth to cover the master cylinder before taking it off.