Sierra 1500 4WD V6-4.3L (2008)
11. Tighten the left exhaust pipe nuts.
Tighten the nuts to 50 N.m (37 lb ft).
12. Install 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) .
13. Remove the support from the transmission.
14. Lower the vehicle.
15. Install the transmission oil level indicator.
16. Lock the transmission oil level indicator.
17. Install 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) .
