Transmission Fluid Auxiliary Cooler Replacement

Transmission Fluid Auxiliary Cooler Replacement (LMM Diesel)

Removal Procedure




1. Remove the radiator grille. Refer to Radiator Grille Replacement (Chevrolet) (Radiator Grille Replacement)Radiator Grille Replacement (GMC) (Radiator Grille Replacement)Radiator Grille Replacement (Chevrolet HD) (Radiator Grille Replacement (Chevrolet HD))Radiator Grille Replacement (GMC HD) (Radiator Grille Replacement (GMC HD)).
2. Place a drain pan under the vehicle.
3. Disconnect the transmission oil cooler lines from the auxiliary cooler. Refer to Transmission Fluid Cooler Hose/Pipe Replacement (Service and Repair).
4. Remove the auxiliary oil cooler bolts (1).
5. Remove the auxiliary oil cooler from the vehicle (2).

Installation Procedure




1. Install the auxiliary oil cooler to the vehicle (2).

Caution: Refer to Fastener Caution (Fastener Caution).

2. Install the auxiliary oil cooler bolts (1).

Tighten the bolts to 12 Nm (106 lb in).

3. Connect the transmission oil cooler lines to the auxiliary cooler. Refer to Transmission Fluid Cooler Hose/Pipe Replacement (Service and Repair).
4. Install the radiator grille. Refer to Radiator Grille Replacement (Chevrolet) (Radiator Grille Replacement)Radiator Grille Replacement (GMC) (Radiator Grille Replacement)Radiator Grille Replacement (Chevrolet HD) (Radiator Grille Replacement (Chevrolet HD))Radiator Grille Replacement (GMC HD) (Radiator Grille Replacement (GMC HD)).
5. Check and add transmission fluid as necessary.