Chevrolet Trax: Master cylinder replacement

Removal Procedure

WARNING: Refer to Brake Fluid Irritant Warning .

CAUTION: Refer to Brake Fluid Effects on Paint and Electrical Components Caution .

1. Place the ignition switch in the OFF position.
2. Remove the battery. Refer to Battery Replacement .
3. Disconnect the brake fluid level indicator switch electrical connector.
4. Using a suitable suction device, remove and properly discard the brake fluid from the brake master cylinder reservoir.

Fig. 16: Clutch Master Cylinder Reservoir Hose

5. On manual transmission equipped vehicles, disconnect the clutch master cylinder reservoir hose (1).

Fig. 17: Master Cylinder Outlet Port

6. Disconnect the master cylinder secondary brake pipe fitting (1).
7. Cap the brake pipe fitting and plug the master cylinder outlet port to prevent brake fluid loss and contamination.

Fig. 18: Master Cylinder Primary Brake Pipe Fitting

8. Disconnect the master cylinder primary brake pipe fitting (1).
9. Cap the brake pipe fitting and plug the master cylinder outlet port to prevent brake fluid loss and contamination.

Fig. 19: Brake Master Cylinder And Nuts

10. Remove the master cylinder nuts (1).
11. Remove the brake master cylinder.

Fig. 20: Master Cylinder Seal

12. Remove the master cylinder seal (1).
13. Inspect the master cylinder seal for damage or deterioration and replace, if necessary.
14. Remove the brake fluid level indicator switch, if necessary. Refer to Brake Fluid Level Indicator Switch Replacement.
15. Remove the master cylinder reservoir, if necessary. Refer to Master Cylinder Reservoir Replacement.

Installation Procedure

1. Install the master cylinder reservoir, if removed. Refer to Master Cylinder Reservoir Replacement.
2. Bench bleed the master cylinder. Refer to Master Cylinder Bench Bleeding.
3. Install the brake fluid level indicator switch, if removed. Refer to Brake Fluid Level Indicator Switch Replacement.

Fig. 21: Master Cylinder Seal

4. Install the master cylinder seal (1).
5. Install the master cylinder to the power vacuum brake booster.

Fig. 22: Brake Master Cylinder And Nuts

CAUTION: Refer to Fastener Caution

6. Install the master cylinder nuts (1) and tighten to 19 (14 lb ft).

Fig. 23: Master Cylinder Primary Brake Pipe Fitting

7. Connect the master cylinder primary brake pipe fitting (1) and tighten to 18 N.m (13 lb ft).

Fig. 24: Master Cylinder Outlet Port

8. Connect the master cylinder secondary brake pipe fitting (1) and tighten to 18 N.m (13 lb ft).

Fig. 25: Clutch Master Cylinder Reservoir Hose

9. On manual transmission equipped vehicles, connect the clutch master cylinder reservoir hose (1).
10. Connect the brake fluid level indicator switch electrical connector.
11. Install the battery. Refer to Battery Replacement .
12. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Manual), Hydraulic Brake System Bleeding (Pressure).

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