Sierra 1500 4WD V8-6.0L VIN U (2006)
Fluid Filter - A/T: Service and Repair
4L60-E/4L65-E/4L70-E - Automatic Transmission
Automatic Transmission Fluid/Filter Replacement
Removal Procedure
Caution: When the transmission is at operating temperatures, take necessary precautions when removing the drain plug, to avoid being burned by
draining fluid.
1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Place a drain pan under the transmission oil pan.
3. Remove the oil pan drain plug, if equipped.
4. If necessary, remove the bolts and position aside the range selector cable bracket for clearance while lowering the pan. It is not necessary to
remove the cable from the lever or bracket.
5. Remove the oil pan bolts from the front and sides of the pan only.
6. Loosen the rear oil pan bolts approximately 4 turns.
7. Lightly tap the oil pan with a rubber mallet in order to loosen the pan to allow the fluid to drain.
8. Remove the remaining oil pan bolts.
9. Remove the oil pan and the gasket.