GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 2013141  Size: SH
  1. Loosen the hose clamp (1) and remove the vacuum hose from the check valve (2).
  2. Remove the check valve from the booster (4).
  3. Remove the check valve grommet (3) from the booster.
  4. Discard the grommet.

Installation Procedure


    Object Number: 2013141  Size: SH
  1. Install a NEW check valve grommet (3) to the booster (4).
  2. Install the check valve (2) to the booster.
  3. Install the vacuum hose to the check valve.
  4. Install the hose clamp (1) in order to retain the vacuum hose to the check valve.