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.
Chevrolet Cobalt Service & Repair Manual. Engine Rebuild Specifications
Cylinder Head, Valve Guide, & Valve Seat
All Measurements Given In Inches
Unless Otherwise Specified
Engine (VIN) 1
Year
Cylinder Head Warpage Limit
Cylinder Head Height/Thickness
Valve Guides
V ...