Removal Procedure
- Remove the front grill assembly. Refer to Fascia Grille Replacement (Escalade) or Fascia Grille Replacement (Z71) or Fascia Grille Replacement (GMC Denali XL) or Fascia Grille Replacement (Suburban, Tahoe) or Fascia Grille Replacement (Yukon) .
- Place a drain pan under the vehicle.
- Disconnect the transmission oil cooler lines from the auxiliary cooler. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection .
- Remove the auxiliary oil cooler bolts (1) and push pins (2).
- Remove the auxiliary oil cooler from the vehicle.