GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Body Repair 🢒 Frame and Underbody 🢒 Vacuum Tank Replacement

Removal Procedure
  1. Remove the right wheel house panel. Refer to Wheelhouse Panel Replacement.

    2. Object Number: 791362 Size: SH
  2. Disconnect the vacuum hose (1) from the vacuum tank.

    3. Object Number: 791374 Size: SH
  3. Remove the nuts (4) from the vacuum tank retaining studs.
  4. Remove the vacuum tank (3).

Installation Procedure

    Object Number: 791374 Size: SH
  1. Install the vacuum tank (3).

    2. 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.

  2. Install the nuts (4) to the vacuum tank retaining studs.

    3. Tighten
    Tighten the nuts to 6 N·m (53 lb in).


    Object Number: 791362 Size: SH
  3. Connect the vacuum hose (1).
  4. Install the right wheel house panel. Refer to Wheelhouse Panel Replacement.