Warning Signs of a Failing Black Power Side/Door Mirror:
- Mirror doesn't adjust when you use the power controls.
- Mirror moves slowly or erratically.
- You hear a grinding or clicking noise when trying to adjust the mirror.
- The mirror is loose or wobbly.
- The mirror glass is cracked or broken.
- The heated mirror function (if equipped) doesn't work.
Testing the Power Side/Door Mirror:
- Check the power: Make sure your car is on and the power mirror switch is working. Try adjusting the mirror on the opposite side to confirm the switch is functioning.
- Inspect the wiring: Look for any damaged or frayed wires connected to the mirror.
- Listen for motor activity: When you try to adjust the mirror, listen closely for any sounds coming from the mirror assembly. If you hear a motor running but the mirror isn't moving, there could be a mechanical problem.
- Visual Inspection: Look for any physical damage to the mirror housing or glass.
Common Failure Causes:
- Motor failure: The small motor that adjusts the mirror can wear out over time.
- Damaged wiring: Wires can become corroded, broken, or disconnected.
- Broken gears: The gears inside the mirror assembly can strip or break.
- Impact damage: Accidents or bumps can damage the mirror housing or internal components.
- Corrosion: Exposure to the elements can cause corrosion, leading to failure.