GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 604507  Size: SH
  1. Remove the HVAC module. Refer to HVAC Module Assembly Replacement .
  2. Remove the violet vacuum hose from the vacuum tank.
  3. Remove the vacuum tank screw.

  4. Object Number: 604511  Size: SH
  5. Remove the vacuum tank from the HVAC module.
  6. Slide the mounting tab from the bracket.

Installation Procedure


    Object Number: 604511  Size: SH
  1. Install the vacuum tank to the HVAC module.
  2. Slide the mounting tab into the bracket.


    Object Number: 604507  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the vacuum tank screw.
  4. Tighten
    Tighten the vacuum tank screw to 1 N·m (9 lb in).

  5. Connect the violet vacuum tank hose.
  6. Install the HVAC module. Refer to HVAC Module Assembly Replacement .