Express 1/2 Ton Van V8-305 5.0L VIN M SFI (1998)
Fluid Filter - A/T: Service and Repair
4L80-E Automatic Transmission
REMOVAL PROCEDURE
1. Raise and support the vehicle.
2. Place a drain pan under the transmission oil pan.
3. Remove all of the oil pan bolts except for the rear bolts.
4. Loosen the rear oil pan bolts approximately 4 turns.
5. Lightly pry down the front of the oil pan and allow the oil to drain.
IMPORTANT: Do not damage the transmission case at the oil pan sealing surfaces.
6. Remove the remaining oil pan bolts.
7. Remove the oil pan.
8. Remove the gasket.
9. Remove the magnet.
10. Remove the oil filter.
11. Remove the filter neck seal.
12. Transmission oil pan gasket (29) is reusable.
Inspect the gasket and replace as needed.
13. Clean the transmission case and the oil pan gasket surfaces with solvent.
14. Air dry the transmission case and surfaces.
INSTALLATION PROCEDURE
1. Install the filter neck seal.
2. Install the oil filter.
3. Install the oil pan gasket to the pan.
4. Install the magnet into the bottom of the pan.
