How to replace the brake master cylinder on 2003 GMC Sonoma?

To start replacing the brake master cylinder, use the parking brake and block the wheels. Separate the brake pipes from the master cylinder and cover the bare pipe ends with rubber caps or plugs so brake fluid does not leak out and get contaminated. After blocking the brake pipe openings, loosen the master cylinder nuts and bolts and take it out. Take out all brake fluid from the master cylinder reservoir. Then, you should bleed the master cylinder on the bench and reinstall it into the car. After you install and tighten the master cylinder bolts and nuts to 36 Nm, connect the brake pipes and tighten their nuts to 30 Nm. In the end, bleed the hydraulic brake system.

OEM 2003 GMC Sonoma Brake Master Cylinder

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1 Brake Master Cylinder found

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2003 GMC Sonoma Master Cylinder Part Number: 19209269
Product Specifications
- Other Name: Cylinder, Brake Master Cylinder; Brake Master Cylinder
- Replaces: 18042802, 18060793
- Item Weight: 2.30 Pounds
- Item Dimensions: 9.6 x 7.5 x 9.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19209269
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 GMC Sonoma Submodels:
- SL, SLE, SLS | 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS, 6 Cyl 4.3 L GAS

2003 GMC Sonoma Brake Master Cylinder

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2003 GMC Sonoma Brake Master Cylinder Parts and Q&A

Q: How to replace the brake master cylinder on 2003 GMC Sonoma?
A: To start replacing the brake master cylinder, use the parking brake and block the wheels. Separate the brake pipes from the master cylinder and cover the bare pipe ends with rubber caps or plugs so brake fluid does not leak out and get contaminated. After blocking the brake pipe openings, loosen the master cylinder nuts and bolts and take it out. Take out all brake fluid from the master cylinder reservoir. Then, you should bleed the master cylinder on the bench and reinstall it into the car. After you install and tighten the master cylinder bolts and nuts to 36 Nm, connect the brake pipes and tighten their nuts to 30 Nm. In the end, bleed the hydraulic brake system.