Question about 2003 Chevrolet Trailblazer Ext
Behind the low beam and high beam lamps, on the back of the assembly, you can see and feel a round, cup-like, hard plastic piece. This is really just a rubber cap covering a plastic cylindrical housing, and is the "back-door" for lamp access. This rubber cap, or lid, can be pulled off with your fingers...if you can grip it just right and pull off. If this is too hard to do, then take a flat tip screwdriver and gently "pry" it off. Once you see how it is attached, your going to do a 180 and say, "gee, this is a pretty easy design" !
The bulbs do not pull out!! They are removed with a 90 degree twist.
If you are going to replace the passenger side low beam remove the air cleaner assembly first. To do this remove the cross brace, then the 3 screws on the air cleaner assembly. This will give you easy access to the bulb assembly. Test the bulb before you reassemble. ADDITIONAL OPTION: On each side of the assembly, you will see a small, thin release bar that will pull up (I needed a small pliers to get one loose). Once both are in the "up" position, the entire assembly can be gently eased out. You won't get far because the other bulbs are still plugged in. However, you don't have to unplug any of the other bulbs or remove the air cleaner. Easing out the assembly simply proves more room for your hand to get a better angle at the bulbs. I simply reached around and removed the old bulbs as specified above and did the reverse to insert the new ones.
Posted on Dec 10, 2008
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Posted on Jan 02, 2017
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