How to replace headlight bulbs? - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Exterior Exterior

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  #1  
Old 07-22-2005, 02:26 PM
jehansley jehansley is offline
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2003 Chevy TrailBlazer LT
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How to replace headlight bulbs?

Just bought a used 2003 Trailblazer LX and the passenger low-beam bulb burned out (sounds like a common problem from this board!). How is it replaced... from behind or do I take the clear lens cover off and replace from the front? THX
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  #2  
Old 07-22-2005, 03:27 PM
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Dacomputernerd Dacomputernerd is offline
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2005 Chevy TrailBlazer LT EXT
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It is replaced from behind The method that most people use is to take off the grille and take out the whole lighting accembly. Personally, i have just unbolted or removed parts in the way and worked with the grille on.

If your still unsure, i would be happy to assist with pictures and a step-by-step.
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Pics of my TB & Also check out my Eight-Beam Headlight setup here
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  #3  
Old 07-22-2005, 03:37 PM
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Blulytes Blulytes is offline
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Most people will agree that the grill removal is fastest and easiest on your hands. It's my personal recommendation.
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  #4  
Old 07-22-2005, 03:39 PM
lgrpup lgrpup is offline
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Well first off, not to be a jerk or anything but you don't have a Trailblazer LX. Its either a LS, LT, or LTZ maybe just a typo. I have never heard of an issue with the TB's headlamp bulbs burning out too often, they do have some problems with the tail light, but that should be taken care of by the recall. There are different ways to get to your bulbs, but I will tell you the way I like to do it. First you need to pop the hood. Your grille and chrome bar are held to your truck with I think eight clips. You can see the top clips if you look. First VERY GENTLY!!! start pulling your grille untill you start popping those clips out. Keep an eye on your chrome bar, because it is clipped into the headlight. GENTLY pull on the chrome bar at the headlight untill the clips come off, then work your way over to the other headlight. The goal is to be take your time and be gentle untill you have all the clips released. Set your grille aside(be carefull not to scratch it). Each head light has two metal tabs on top of it, the outer tabs are slightly hidden in the fender. If you pull these tabs up, it will release the headlight from the frame of the truck(be carefull not to let the headlight fall out and scratch your bumper). Once you have the headlight assembly out, pop off the circle rubber cover on the back of the unit. Your bulbs will be inside there, and make sure you don't touch the bulb when removing it. Just reverse the process when your done changing your bulbs. Oh yea, don't forget to put the rubber cap back on the headlamp unit before you re-install it, that really sucks! Good luck.
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Old 07-22-2005, 03:41 PM
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Dacomputernerd Dacomputernerd is offline
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Quote:
Originally Posted by Blulytes
easiest on your hands.
Definately!! If you want to find out more information I would sujest doing a search for grille removal or similar. That is the best way to do it and the easiest
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Pics of my TB & Also check out my Eight-Beam Headlight setup here
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  #6  
Old 11-16-2008, 01:50 PM
done done is offline
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This worked great - it is fairly easy to change the bulb

I was a little afraid to pull off the grill, but it was actually simple. I did have to use two screwdrivers to pop up the tab under the fender; one to pry and the other as the fulcrum. The slide tab under the fender is not as easy to work as the one on the radiator side. Also, I disconnected the wire to the blinker bulb so I could pull the assembly out farther.
Quote:
Originally Posted by lgrpup View Post
First VERY GENTLY!!! start pulling your grille untill you start popping those clips out. Keep an eye on your chrome bar, because it is clipped into the headlight. GENTLY pull on the chrome bar at the headlight untill the clips come off, then work your way over to the other headlight. The goal is to be take your time and be gentle untill you have all the clips released. Set your grille aside(be carefull not to scratch it). Each head light has two metal tabs on top of it, the outer tabs are slightly hidden in the fender. If you pull these tabs up, it will release the headlight from the frame of the truck(be carefull not to let the headlight fall out and scratch your bumper). Once you have the headlight assembly out, pop off the circle rubber cover on the back of the unit. Your bulbs will be inside there, and make sure you don't touch the bulb when removing it. Just reverse the process when your done changing your bulbs. Oh yea, don't forget to put the rubber cap back on the headlamp unit before you re-install it, that really sucks! Good luck.
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  #7  
Old 12-29-2008, 05:00 PM
mjgunderson mjgunderson is offline
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Best Solution for headlight replacement on TB's

It's my wifes truck we are in MN... Most shops have low flat rates for replacing them, Precision Tunes, Car X's and Rapid Oil Change places.



I ended up going to a local Pep Boys, found an online coupon for 20% off any service work. They charged me $55.00 to replace both the high and low beam. 30.00 labor, 10.99 for each bulb, then I got 20% off so it was like $46.00 total for both!

Well worth it , and yes the guy did have to remove the entire grill of the vehicle to do it for the passenger bulbs.

Maybe would not be as big of a deal in the South or when it was warm, but can only imagine how much it would cost to replace a grill that snapped in the cold weather up here.

I also drive a 06 Platinum Escalade, which is far easier for almost anything under the hood than the Trailblazer. Mike Eagan MN
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  #8  
Old 01-03-2009, 03:42 PM
Bluwolfe LTZ Bluwolfe LTZ is offline
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Smile headlight lo-beam change

Just did my pass light, i decided to go the both front and back (grill and air box)
just for the fun of it. To the one who needs specific direction.. the rubber covers just pull off. the bulbs are under them.

this forum did help. never took the grill off before... sure wold have made it easier to install the Chome billet bowtie....

thanks guys.. lookin forward to more adventures....
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  #9  
Old 01-09-2009, 08:59 PM
Freesled Freesled is offline
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Piece of cake!

I just finished replacing both low beam lamps and it took less than 10 minutes. I did NOT have to remove the grill.

The rubber caps behind the bulbs come off easily if you dig your fingernails into them. If you're a nail-biter, use a small screwdriver. They are flexible rubber caps, that come off easily. Twist the bulb holder 90 degrees to unlock it, and there is a small clip securing the bulb in the holder. Just pop the new bulb in the holder, (don't touch the glass!) and twist the holder back in, and replace the rubber cap.

On the passenger side, remove the air cleaner cover and air filter for easier access. My TB did not have a cross brace, and one of the 3 screws securing the air cleaner cover was missing. You do not have to actually remove the screws, just back them out until the cover comes off. The air filter and attached plastic tube simply snap out of the housing and you can easily access the rubber cap, etc.
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  #10  
Old 01-10-2009, 08:51 AM
Bluwolfe LTZ Bluwolfe LTZ is offline
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sounds like a good job. my airbox has a screw missin' too the one by the fender.( mabee there all that way)

thanks for the comeback.. did you have to remove the batt for the drivers side?

later friends
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