GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 176823  Size: SH
  1. Disconnect the vacuum hose (2) from vacuum brake booster (1).

  2. Object Number: 177473  Size: SH
  3. Disconnect the vacuum hose from the intake manifold.

Installation Procedure


    Object Number: 177473  Size: SH
  1. Connect the vacuum hose to the intake manifold.

  2. Object Number: 176823  Size: SH
  3. Connect the vacuum hose (2) to vacuum brake booster (1).