Auxiliary Oil Cooler: Removal
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, 2004 Chevrolet Cab & Chassis Silverado, and 2003 GMC Sierra. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the front grill assembly.
- Place a drain pan under the vehicle.
- Disconnect the transmission oil cooler lines from the auxiliary cooler. See AUXILIARY OIL COOLER HOSE/PIPES & FITTINGS .
- Remove the auxiliary oil cooler bolts (1) and push pins (2). See Fig 1 .
- Remove the auxiliary oil cooler from the vehicle.