GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra - 4WD 🢒 Transmission 🢒 Automatic Transmission - Allison 🢒 Transmission Vent Installation

    Object Number: 1216973 Size: SH
  1. Install the vent (1).
  2. Gently tap the vent until seated.