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For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 CTS 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Power Brake Booster Vacuum Check Valve and Hose Replacement

Power Brake Booster Vacuum Check Valve and Hose Replacement LLT

Removal Procedure

    Object Number: 1919905 Size: SH
  1. Apply the brake pedal several times until the pedal becomes firm to deplete the vacuum reserve in the brake booster.
  2. Remove the check valve (1) from the vacuum brake booster.

    3. Object Number: 1919913 Size: SH
  3. Remove and discard the vacuum hose clamp (1).
  4. Remove the vacuum hose (2) from the vacuum port on the LH side of the intake manifold.

    5. Object Number: 1919921 Size: SH
  5. Release the vacuum brake booster hose quick connect (1) from the power brake booster auxiliary pump.
  6. Remove the check valve from the vacuum brake booster hose, if necessary.

Installation Procedure

    Object Number: 1919921 Size: SH
  1. Install the vacuum brake booster hose quick connect (1) to the power brake booster auxiliary pump.

    2. Object Number: 1919913 Size: SH
  2. Position a new hose clamp (1) to the vacuum brake booster hose.
  3. Install the vacuum hose (2) to the vacuum port on the LH side of the intake manifold.
  4. Using a suitable tool, compress the clamp to secure the vacuum brake booster hose to the vacuum port fitting.

    5. Object Number: 1919905 Size: SH
  5. Install the check valve to the vacuum brake booster hose, if removed.
  6. Install the check valve (1) to the vacuum brake booster.

    7. If necessary, a small amount of denatured alcohol may be used as a lubricant for assembly. Do not use soap.

Power Brake Booster Vacuum Check Valve and Hose Replacement LP1, LY7

Removal Procedure

    Object Number: 1919905 Size: SH
  1. Apply the brake pedal several times until the pedal becomes firm to deplete the vacuum reserve in the brake booster.
  2. Remove the check valve (1) from the vacuum brake booster.
  3. Remove the check valve from the vacuum brake booster hose, if necessary.

    4. Object Number: 924495 Size: SH
  4. Remove the vacuum hose (2) from the vacuum port (1) on the LH side of the intake manifold.

Installation Procedure

    Object Number: 924495 Size: SH
  1. Install the vacuum hose (2) to the vacuum port (1) on the LH side of the intake manifold.

    2. If necessary, a small amount of denatured alcohol may be used as a lubricant for assembly. Do not use soap.


    Object Number: 1919905 Size: SH
  2. Install the check valve to the vacuum brake booster hose, if removed.
  3. Install the check valve (1) to the vacuum brake booster.

    4. If necessary, a small amount of denatured alcohol may be used as a lubricant for assembly. Do not use soap.