C 2500 Yukon XL 2WD V8-8.1L VIN G (2002)
13. Install the nuts (2) that secure the auxiliary HVAC module to the vehicle.
Tighten
Tighten the nuts to 9 N.m (80 lb in).
14. Install the air conditioning lines (2,3) and the nut (4) to the auxiliary HVAC module.
Tighten
Tighten the nut to 16 N.m (12 lb ft).
