rear hatch air dam - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 Appearance > Exterior

Exterior Exterior

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  #1  
Old 06-09-2019, 09:10 PM
6519 6519 is offline
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2006 Chevy TrailBlazer LS EXT
Dark Gray Metallic 4.2L I6 4X4
Join Date: May 2015
Location: Malta, Mt.
Posts: 1
rear hatch air dam

my rear hatch air spoiler fell off, does anyone have a good way to reinstall it so it will stay on, thank you.
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  #2  
Old 06-10-2019, 08:49 AM
mddombrowski mddombrowski is offline
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2006 Chevy TrailBlazer LT EXT
Summit White 4.2L I6 4X4
Join Date: Jan 2017
Location: Charlotte, NC
Posts: 195
I think this is what you are referring to. Pretty straight forward on attachment, but if it fell off, I would suspect it is already broken. This "spoiler" takes a lot of wind drag if not aligned correctly. In that scenario, I would recommend replacing the entire panel.
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  #3  
Old 06-11-2019, 08:26 PM
Grinder's Avatar
Grinder Grinder is offline
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2004 Chevy TrailBlazer LT
Indigo Blue Metallic 4.2L I6 4X4
Join Date: May 2011
Location: Sunbury , Pa
Posts: 40
Did the 4 torx bolts shear off , fall out or did it crack at the mounting points ?
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  #4  
Old 06-12-2019, 07:45 PM
Dlaker Dlaker is offline
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Join Date: Mar 2019
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This is not an easy site to navigate. Maybe it's just me but surely it could be more intuitive. What are all those bouncing images?
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  #5  
Old 06-12-2019, 08:55 PM
edwinhil edwinhil is offline
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2004 Chevy TrailBlazer LT EXT
Silverstone Metallic 4.2L I6 4X4
Join Date: Sep 2011
Location: chicago
Posts: 28
ref rear spoiler

Mine has come off twice, once caused by an ice buildup and opening the rear hatch causing the spoiler to break, and the second time by a combination of high winds, (tornado), and a screw coming loose. I was able to super glue the bolt slot into the correct spot and attach the new spoiler. Lucky i quess. Be sure that the tabs that the spoiler attaches to are aligned correctly, they are pretty tricky. If you get ice on the roof, don't open the hatch until you clear it from the lip on top of the hatch.
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  #6  
Old 06-20-2019, 08:10 AM
Videot Videot is offline
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2002 Chevy TrailBlazer LT EXT
Pewter Metallic 4.2L I6 2WD
Join Date: Aug 2009
Location: Missouri
Posts: 14
We had this happen to us as well. We have not replaced the part, but decided that we could repair it. Although we did have to work on it twice.
The first time I was able to snap it back in place. It stayed in place for probably a year or two; then high winds blew it off.
The second time, I had to glue the captive bolts back in place, as well as the metal bar that goes across it. I used clamps to help it set in place.
It does help to work on it with the window open, kind of alternating between the whole hatch open and the window to allow you access to different places.
Several months later, it is still in place!
Oh yeah, and I had to re-do the brake light wiring, but that wasn't a big deal either.
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  #7  
Old 06-20-2019, 09:17 AM
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Grinder Grinder is offline
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2004 Chevy TrailBlazer LT
Indigo Blue Metallic 4.2L I6 4X4
Join Date: May 2011
Location: Sunbury , Pa
Posts: 40
If the mounts are stripped out then 4 properly sized Stainless carriage bolts w/nuts & lockwashers replacing the Torx after a precision drilling through the original mounts would be a strong repair.
Just remember to use some sealant at the bolt heads.
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  #8  
Old 06-20-2019, 03:20 PM
Becaff Becaff is offline
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2005 Chevy TrailBlazer LS EXT
Silver Mist Metallic 4.2L I6 4X4
Join Date: Dec 2013
Location: Staten Island,NY
Posts: 5
I had the same thing happen twice to my 2005 Trailblazer EXT. First time replaced under 5 year-warranty coverage. 2nd time replaced by a Auto Repair shop($250 bucks)
Third time, I had enough. I made 2 cuts over the hinges on each side and threaded through heavy duty zip ties and cinched them tight and trimmed the tails off. I used two on each cut through.
Hadn’t had a problem since 2013.
Once the clips bend a little there is no chance of resetting them to hold.
Also, both problems I had were because of opening the glass with ice and snow on top.
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