Chevrolet Trax Owners & Service Manuals

Chevrolet Trax: Power brake booster pump replacement

Chevrolet Trax (2013-2022) Workshop Manual / Brakes / Hydraulic Brakes / Repair instructions / Power brake booster pump replacement

Removal Procedure

  1. With the engine OFF, apply and release the brake pedal several times until the brake pedal becomes firm to deplete the power brake booster vacuum reserve.
  2. Remove the battery tray. Refer to Battery Tray Replacement .
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

Fig. 181: Power Brake Booster Vacuum Hose Quick Connect
Fig. 181: Power Brake Booster Vacuum Hose Quick Connect

  1. Through the left front wheehouse, disconnect the power brake booster vacuum hose quick connect (1) from the power brake booster pump port.
  2. Lower the vehicle.
  3. Disconnect the power brake booster pump electrical connector.

Fig. 182: Power Brake Booster Pump Vent Hose And Grommet
Fig. 182: Power Brake Booster Pump Vent Hose And Grommet

  1. Release the power brake booster pump vent hose and grommet (1) from the left side rail.

Fig. 183: Brake Booster Pump Bracket Nuts
Fig. 183: Brake Booster Pump Bracket Nuts

  1. Remove the power brake booster pump bracket nuts (1).
  2. Remove the power brake booster pump assembly.
  3. If replacing the power brake booster pump, remove the power brake booster pump bracket. Refer to Power Brake Booster Pump Bracket Replacement.

Installation Procedure

  1. Install the power brake booster pump bracket, if removed. Refer to Power Brake Booster Pump Bracket Replacement.
  2. Install the power brake booster pump assembly.

Fig. 184: Brake Booster Pump Bracket Nuts
Fig. 184: Brake Booster Pump Bracket Nuts

CAUTION: Refer to Fastener Caution .

  1. Install the power brake booster pump bracket nuts (1).
  • 5 speed manual transmission: Tighten the nuts to 58 (43 lb ft)
  • 6 speed automatic transmission, 6 speed manual transmission: Tighten the nuts to 22 (16 lb ft)

Fig. 185: Power Brake Booster Pump Vent Hose And Grommet
Fig. 185: Power Brake Booster Pump Vent Hose And Grommet

  1. Install the power brake booster pump vent hose and grommet (1) to the left side rail.
  2. Connect the power brake booster pump electrical connector.
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

Fig. 186: Power Brake Booster Vacuum Hose Quick Connect
Fig. 186: Power Brake Booster Vacuum Hose Quick Connect

  1. Through the left front wheelhouse, connect the power brake booster vacuum hose quick connect (1) to the power brake booster pump port.
  2. Install the battery tray. Refer to Battery Tray Replacement .

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