GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Cobalt 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Power Brake Booster Vacuum Check Valve and Hose Replacement

Power Brake Booster Vacuum Check Valve and Hose Replacement 2.2L


Object Number: 1539018 Size: LF

Callout

Component Name

Preliminary Procedures

  1. Place the ignition switch in the OFF position.
  2. Apply and release the brake pedal several times until the pedal becomes firm to deplete the power brake booster vacuum reserve.

1

Vacuum Brake Booster Hose Quick Connect

2

Vacuum Brake Booster Check Valve

Tip
If necessary, a small amount of denatured alcohol can be used as an assembly aid for installing the vacuum brake booster check valve to the vacuum booster grommet. Do not use soap.

3

Vacuum Brake Booster Hose Clamp

4

Vacuum Brake Booster Hose

Tip
If necessary, a small amount of denatured alcohol can be used as an assembly aid for installing the vacuum hose to the vacuum brake booster check valve. Do not use soap.

Power Brake Booster Vacuum Check Valve and Hose Replacement 2.0L

Removal Procedure

    Object Number: 1912331 Size: SH
  1. Apply and release the brake pedal several times until the pedal becomes firm to deplete the power brake booster vacuum reserve.
  2. Disconnect the power brake booster vacuum sensor electrical connector.
  3. Remove the power brake booster vacuum sensor (1) from the power vacuum brake booster.
  4. Release the hose clamp (2) and remove the vacuum hose (3) from the vacuum sensor.

    5. Object Number: 1912334 Size: SH
  5. Release the hose clamp (1) and disconnect the vacuum hose from the intake manifold vacuum port.

Installation Procedure

    Object Number: 1912334 Size: SH
  1. Position the hose clamp (1) to the vacuum hose and install the hose to the intake manifold vacuum port.

    2. Object Number: 1912331 Size: SH
  2. Install the power brake booster vacuum sensor (1) to the power vacuum brake booster.

    3. If necessary, a small amount of denatured alcohol can be used as an assembly aid for installing the vacuum sensor to the vacuum booster grommet. Do not use soap.

  3. Position the hose clamp (2) to the vacuum hose (3) and install the hose to the power brake booster vacuum sensor.

    4. If necessary, a small amount of denatured alcohol can be used as an assembly aid for installing the vacuum hose to the vacuum sensor. Do not use soap.

  4. Connect the power brake booster vacuum sensor electrical connector.