GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 TopKick C-Series (Conventional) C6/C7/C8 🢒 HVAC 🢒 HVAC - Manual 🢒 Vacuum Pump Assembly Replacement

Removal Procedure

    Object Number: 790274 Size: SH
  1. Disconnect the vacuum hoses.
  2. Disconnect the vacuum pump electrical connector.
  3. Remove the vacuum pump retaining bolts.
  4. Remove the vacuum pump assembly (2).

Installation Procedure

    Object Number: 790274 Size: SH
  1. Install the vacuum pump assembly (2).

    2. Caution: Refer to Fastener Caution in the Preface section.

  2. Install the vacuum pump retaining bolts.

    3. Tighten
    Tighten the bolts to 3 N·m (27 lb in).

  3. Connect the vacuum pump electrical connector.
  4. Connect the vacuum hoses.