Tip & How-To about Cars & Trucks

2010 Acadia Repeated Headlight Failure Fix

A few years of GMC Acadia near about 2010, a I've heard a few Audis using H11 low-beam bulbs have an issue where the bulbs start to fail on an almost monthly basis. The first bulb failed after 6 years of flawless operation. The replacement failed weeks later. Eventually I had replaced 6 bulbs over the next 6 months.

No, it is not bad bulbs, it's melted sockets. The melted sockets make intermittent connections which rapidly cause bulbs to fail. I tried ordering sockets off of Amazon looking for ones with good reviews, but they melted too in a matter of months. The ceramic options are extremely delicate, and most people crack their first one before they finish installation.

I was in an Oreilly's one day to go buy a bulb to change yet again so that we could make a 3 hour drive home safely, and noticed that they sold H11 bulb sockets. I bought one, changed it in their parking lot (sinice I had already changed them once, I had more wire to work with, it was pretty easy to do through the fender) and never had another problem. The bulb that was in there wasn't even bad, the Amazon socket was just completely shot.

With the Oreilly off-the-shelf sockets the headlights have worked for flawlessly for about 2 years now. Those are the sockets I suggest you run when your Acadia starts eating bulbs. I would even consider replacing the socket by default the first time you have to change a bulb.

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