Automatic Transmission - 4L80-E/4L85-E

Transmission Fluid Cooler Hose/Pipe Replacement

Removal Procedure





1. Remove the grille assembly. Refer to Grille Replacement (Cadillac) or Grille Replacement (Avalanche) or Grille Replacement (Chevrolet) or Grille Replacement (GMC) in Exterior Trim.
2. Remove the transmission fluid cooler hose from the Auxiliary oil cooler. Refer to Transmission Oil Cooler Line Quick Connect Fitting





3. Remove the transmission fluid cooler hose from the radiator. Refer to Transmission Oil Cooler Line Quick Connect Fitting.





4. Raise the vehicle. Refer to Vehicle Lifting
5. Remove the engine protection shield. Refer to Engine Protection Shield Replacement.
6. Remove the transmission fluid cooler hoses from the transmission. Refer to Transmission Oil Cooler Line Quick Connect Fitting
7. Remove the transmission fluid cooler hoses from the retainer on the engine.
8. Remove the transmission fluid cooler hoses from the vehicle.

Installation Procedure





1. Install the transmission fluid cooler hoses to the vehicle.
2. Install the transmission fluid cooler hoses to the transmission. Refer to Transmission Oil Cooler Line Quick Connect Fitting.
3. Install the transmission fluid cooler hoses to the retainer on the engine.
4. Install the engine protection shield. Refer to Engine Protection Shield Replacement.
5. Lower the vehicle.





6. Install the transmission fluid cooler hose to the radiator. Refer to Transmission Oil Cooler Line Quick Connect Fitting.





7. Install the transmission fluid cooler hose from the Auxiliary oil cooler. Refer to Transmission Oil Cooler Line Quick Connect Fitting.
8. Install the grille assembly. Refer to Grille Replacement (Cadillac) or Grille Replacement (Avalanche) or Grille Replacement (Chevrolet) or Grille Replacement (GMC) in Exterior Trim.