GM Service Manual Online
For 1990-2009 cars only

Vacuum Modulator Pipe Replacement 3100 L82

Removal Procedure


    Object Number: 161009  Size: SH
  1. Remove the vacuum line from the upper intake manifold.
  2. Remove the vacuum line from the vacuum modulator.

Installation Procedure


    Object Number: 161009  Size: SH
  1. Install the vacuum line to the vacuum modulator.
  2. Install the vacuum line to the upper intake manifold.

Vacuum Modulator Pipe Replacement 3800 L36

Removal Procedure


    Object Number: 161011  Size: SH
  1. Remove the vacuum line from the upper intake manifold.
  2. Remove the vacuum line from the vacuum modulator.

Installation Procedure


    Object Number: 161011  Size: SH
  1. Install the vacuum line to the vacuum modulator.
  2. Install the vacuum line to the upper intake manifold.