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Sierra Classic 1500 2WD V8-5.3L Hybrid
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Allison - Automatic Transmission
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6. Case Vent Removal
6. Case Vent Removal
Case Vent Removal
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.