GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Sierra Denali 🢒 Transmission/Transaxle 🢒 Automatic Transmission - Allison 🢒 Transmission Vent Removal

    Object Number: 1216973 Size: SH
  1. Gently pry the vent (2) from the transmission case.
  2. If the vent cap (1) comes off, gently pry the stem from the transmission case.