To replace a CHMSL bulb: 1. Open the trunk.
2. Press the tabs to release the bulb assembly.
3. Pull the bulb assembly down to access the bulbs.
4. Pull the old bulb straight out.
5. Push the new bulb straight in until it clicks.
6. Align the tabs in the bulb assembly with the assembly in the trunk lid. Push the bulb assembly back into place until it snaps in. You may need to use a tool to guide the tabs into the assembly.
Chevrolet Cobalt Service & Repair Manual. Engine Valves R&R
Valve stem oil seal alignment
and position is critical. An improperly installed valve stem oil seal may
lead to excessive oil consumption, and increased vehicle emissions.
When replacing multiple valves
simultaneously, mark valves in relation to cylinder/port. Keep al ...