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For 1990-2009 cars only

Power Brake Booster Vacuum Check Valve and Hose Replacement w/RPO L61

Removal Procedure


    Object Number: 1395530  Size: SH
  1. Disconnect the brake booster vacuum check valve (2) from the brake booster.
  2. If the vacuum check valve (2) needs to be separated from the vacuum hose (3), release and reposition the clamp (4) on the vacuum hose (3) and remove the check valve (2) from the hose (3).
  3. If replacing the vacuum check valve (2), remove the grommet (1) from the brake booster and discard the grommet.

  4. Object Number: 891931  Size: SH
  5. If vacuum hose removal is necessary, and if the vehicle is equipped w/RPO M75, release the vacuum hose from the retaining clip (1).
  6. If removing the vacuum hose, release the vacuum hose connector retainer, then disconnect the connector from the vacuum port on the engine intake manifold.
  7. Take note of the vacuum hose routing, then remove the vacuum hose from the vehicle.

Installation Procedure

Important: A small amount of denatured alcohol can be used as an assembly aid when installing the vacuum check valve and/or grommet. Do NOT use soap.


    Object Number: 891931  Size: SH
  1. If the vacuum hose was removed, install the vacuum hose into position on the vehicle, as noted prior to removal.
  2. If the vacuum hose was removed, connect the vacuum hose connector to the vacuum port on the intake manifold. Press the connector retainer down firmly to secure the connector to the port.
  3. If the vacuum hose was removed, and if the vehicle is equipped w/RPO M75, secure the vacuum hose to the retaining clip (1).

  4. Object Number: 1395530  Size: SH
  5. If the vacuum check valve (2) is being replaced, install a NEW grommet (1) to the brake booster.
  6. If the vacuum check valve (2) was separated from the vacuum hose (3), install the check valve (2) to the vacuum hose (3). Install and secure the clamp (4) into position on the hose (3).
  7. Connect the brake booster vacuum check valve (2) to the brake booster.

Power Brake Booster Vacuum Check Valve and Hose Replacement w/RPO LSJ

Removal Procedure


    Object Number: 1395530  Size: SH
  1. Disconnect the brake booster vacuum check valve (2) from the brake booster.
  2. If the vacuum check valve (2) needs to be separated from the vacuum hose (3), release and reposition the clamp (4) on the vacuum hose (3) and remove the check valve (2) from the hose (3).
  3. If replacing the vacuum check valve (2), remove the grommet (1) from the brake booster and discard the grommet.

  4. Object Number: 1395525  Size: SH
  5. If vacuum hose removal is necessary, release the vacuum hose (2) connector retainer, then disconnect the connector from the vacuum port (1) on the engine intake manifold.
  6. Take note of the vacuum hose routing, then remove the vacuum hose from the vehicle.

Installation Procedure

Important: A small amount of denatured alcohol can be used as an assembly aid when installing the vacuum check valve and/or grommet. Do NOT use soap.


    Object Number: 1395525  Size: SH
  1. If the vacuum hose was removed, install the vacuum hose into position on the vehicle, as noted prior to removal.
  2. If the vacuum hose was removed, connect the vacuum hose (2) connector to the vacuum port (1) on the intake manifold. Press the connector retainer down firmly to secure the connector to the port.

  3. Object Number: 1395530  Size: SH
  4. If the vacuum check valve (2) is being replaced, install a NEW grommet (1) to the brake booster.
  5. If the vacuum check valve (2) was separated from the vacuum hose (3), install the check valve (2) to the vacuum hose (3). Install and secure the clamp (4) into position on the hose (3).
  6. Connect the brake booster vacuum check valve (2) to the brake booster.

Power Brake Booster Vacuum Check Valve and Hose Replacement w/RPO LE5


Object Number: 1676174  Size: SF

Callout

Component Name

Preliminary Procedure

Remove the intake manifold cover replacement. Refer to Intake Manifold Cover Replacement .

1

Power Brake Booster Vacuum Check Valve

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

2

Brake Booster Vacuum Hose Clamp

3

Power Brake Booster Vacuum Hose Assembly