Sierra 1500 4WD V8-5.3L (2008)
Automatic Transmission Dipstick - Dipstick Tube: Service and Repair
4L60-E/4L65-E/4L70-E - Automatic Transmission
Transmission Fluid Filler Tube and Seal Replacement
Removal Procedure
1. Remove the intake manifold. Refer to Intake Manifold Replacement (L92 - First Design) Intake Manifold Replacement (L92 - Second Design)
Intake Manifold Replacement (LY2 and LY6) Intake Manifold Replacement (LH6, LMG, LY5 and L76) .
2. Unlock the transmission oil level indicator.
3. Remove the transmission oil level indicator.
4. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
5. Support the transmission using a suitable jack.
6. Remove the transmission crossmember. Refer to Transmission Support Crossmember Replacement (2WD 2500 HD/3500) Transmission Support
Crossmember Replacement (2WD 1500/2500) Transmission Support Crossmember Replacement (4WD 1500/2500) Transmission Support
Crossmember Replacement (4WD 2500 HD/3500) .
7. Loosen the left exhaust pipe nuts.
8. Loosen the right exhaust pipe nuts.