GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 Envoy - 2WD 🢒 Driveline/Axle 🢒 Front Drive Axle 🢒 Vent Hose Replacement

Removal Procedure
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .

    2. Important: Make note of the routing in order to aid in reassembly.


    Object Number: 755290 Size: SH
  2. Remove the vent hose from the top of the differential carrier assembly.
  3. Remove the vent hose from the clip on the engine wiring harness bracket.
  4. Remove the vent hose.

Installation Procedure

    Object Number: 755290 Size: SH
  1. Install the vent hose to the differential carrier assembly.
    2. • Route the same way as when removed.
    • Ensure that the hose is free of kinks and is routed clear of sharp objects.
    • Ensure that the vent is not plugged.
  2. Install the vent hose in the clip on the engine wiring harness bracket.
  3. Lower the vehicle.