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Chevrolet Malibu Electrical/Lighting
Removal is easy; upper two bolts holding light to chassis and the assembly lifts up and can be flipped over. Lamp covers are round lids that turn easilly to pop out exposing the bulb holder, which also turns easilly and pops out. The connections in both of my headlight turnsignals were ok (no corrosion). however, I replaced the blackened turn signal bulbs and cleaned the lamp contacts with a good electrical contact cleaner before reassembling everything.
The headlights could indeed bounce up and down if the two tabs holding up the underside of the lights are bent downward (were flimsy sheet metal). Either using shrink wrap tubing on the pins under the lights, or plastic foam on light housing underside, would help quell any vibration.
On Maxx, undo two screws and the assembly simply pulls out. Same deal with the sockets and blackened bulbs and contact cleaner.