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Home >> Hummer >> 2008 >> H3 Adventure, Automatic >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L60-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> On-Vehicle Repair Instructions >> Vent Hose Replacement (3.7L) >> Removal Procedure

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. IMPORTANT: Make a note of the routing in order to aid during reassembly.
    Fig 1: Transmission Vent Hose & Retainers
    GM1302098Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the transmission vent hose retainer (1, 6) from the following:
    • The heater pipe bracket (2)
    • The transmission range selector cable bracket (5)
  4. Disconnect the transmission vent hose (3) from the transmission vent tube (4).
  5. Remove the transmission vent hose (3).