Silicone grease on weatherstrips will make them last longer, seal better, and not stick or squeak. Apply silicone grease with a clean cloth. During very cold, damp weather frequent application may be required.
See Recommended Fluids and Lubricants.
Care of Safety Belts
Washing Your VehicleChevrolet Cobalt Service & Repair Manual. Exhaust Manifold Gasket R&R
1.
Remove the secondary air injection
bolts (2) and nuts (1), Fig. 1.
2.
Remove the secondary air injection
studs (3 and 4), Fig. 2.
3.
Remove the secondary air injection
valve assembly (1), Fig. ...