Rear lift glass release button on hatch - HOW TO REPAIR - - Blazer Forum - Chevy Blazer Forums


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Old 05-20-2014, 08:11 PM
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Default Rear lift glass release button on hatch - HOW TO REPAIR -

So it's an all too common issue, the button on the rear gate stops working, but you can still release the lift glass with the button on the dash and the key fob. Believe it or not, it's a super simple fix that doesn't require you buying ANYTHING, just taking something apart and putting it back together (unless you break something in the process...). I've done this repair 4 times now, once on a work vehicle, twice on friends Blazers, and now on the Blazer I own, and it's worked flawlessly every time.

You will need:

*Phillips head screwdriver
*Flat head screwdriver (normal size and small size)
*7mm socket
*10mm socket
*Something to turn those sockets with (a ratchet is fine, but if you have a small battery power impact that'll save you some time)
*15-20 minutes of your time




Start off by removing the handle on the inside of the lower gate by removing the two screws.





Then remove the gate trim panel by removing the two screws on the sides just above the latches, and the one in the center where the glass latches into the gate. Once those are removed, give the trim panel a firm tug upwards from the top of the gate.







Once removed, check the gate to make sure none of the metal retainers are still stuck in it, they like to stay behind sometimes. If there are just pop them out and pop them back onto the trim panel.





Set the panel aside and now you're here.





Couple of things to pop off the back panel before we begin removing it. First, the rod that attaches to the handle we removed earlier. Stick a normal sized flat head screwdriver in between the rod and the latch hing and give it a firm counter clockwise twist, and the rod should pop out of the white plastic holder.









Towards the right side is a small plastic clip sticking out. It's holding a wire against the panel on the other side. It's easier just to pop this out now. Squeeze the tabs together and just push it down into the hold and let it drop into the gate.





Now to pop out the rods going to the latches on either side of the gate. Just take your normal sized screwdriver, place it against the rod, and give the handle of the screwdriver a firm hit with just the palm of your hand and the rod should pop out of the plastic retainer.








Now is where having a small battery powered impact comes in handy. There are 12, count them, 12, 7mm screws holding the black panel to the gate. Remove all 12 screws. Once they're all removed, you can lift the black panel up and unplug the actuator that's mounted to it (this is the actuator that actually releases the glass, so DON'T BREAK IT)





Good thing to point out. If you're having issues with the glass not opening AT ALL, but you can here the actuator moving, it's most likely the link on the end of the actuator, which can be replaced without replacing the actuator itself. They will snap sometimes... The purple part.





So now we're here.





We need to get the latch mechanism out of the way to get to the button. Start off by popping off the rod joint that has the green plastic holder. Then 3 10mm bolts and it lifts off. No need to unplug it, just flop it out of the way.







Now that we can see the button, let's unplug it before we go to removing it. If you trace the wire back to the plug, you'll notice it runs under the bracketry for the rear wiper motor. And of coarse the plug is too big to fit under it... Good news is you don't have to remove the wiper motor assembly, just remove the two 10mm bolts on the bottom and you can lift it up high enough to snake the plug through.





Now that you've got it unplugged and the wire loose, to get the button out, you will need to pop it's retainer clip off. Take your normal sized flathead and pry it over. You'll notice there's a large flange on the right side of it. I've found it easiest to pry near the top of it. It'll take a little wiggling, but you will have to get the retainer completely free of the button in order to get the button out. If it's touching the button at all, it's going to cause you issues in the next step.









Now with the clip all the way over and not touching the button, just press the button down from the back of the gate and out of the bottom. It should just push right through with little effort.







Now to pull the button apart. You'll notice on the back of the button are 4 small tabs. You'll have to depress two of these at the same time to pop one side loose, then do the other two on the opposite side. Once you do that and they all 4 release, the button will separate. The wire will feed through the base of the the button.







Now we need to get the rubber boot off the button. Easiest way I've found to do this is with a small flathead screwdriver. Wedge it in under the boot and work your way around it. Doesn't really matter witch way you go with it, I decided to push it on over the wire so I didn't misplace it.







Now if you look at the body of the button, there's 4 more tabs around the outside of it. Take the same small screwdriver and pop those tabs off one at time all the way around to separate the button. Be careful, there's a spring inside that will bounce out of sight if you're not ready for it... It's not under a lot of tension, it's just one of those things that's easy to loose lol.






Now that we've got the button torn apart, we can finally see the culprit!



There's two contacts down inside the button. Take a close look at them. One will more than likely be nice and shiny, and the other, not so much... This dull colored contact is what's causing the button to not work. The corrosion over the years from the small electrical arc that's created when the button is pressed has created enough film over the contact so that it no longer completes the circuit to pop the latch.

Notice how the bottom one is nearly black.






The solution? Take your small flathead and just scrape it on the contact and basically use the tip of it to "sand" the corrosion off. Once you're done they should both look clean and shiny.






Although it's probably not necessary, but this is something I like to do just because you're in there, and it's not going to hurt, is to clean the smaller stiffer spring. The base of it is what contacts those two small contacts you just cleaned. If it is corroded badly too, it can cause problems.

Just move the larger spring out of the way and set it aside and then you can scrap any corrosion off the bottom of the spring.










And that's it! You're done with the repair and haven't spend a dime Only thing left to do is put it all back together in the reverse order you took it apart.

Tip: Before you go throwing everything back together, after you get the button reassembled, plug it and the actuator back in and test the button out first
Attached Thumbnails
Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_200908.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_200842.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_200315.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_200417.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_200431.jpg  

Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_200448.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_200404.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_200343.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_200351.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_200040.jpg  

Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_200047.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_200012.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_195839.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_195726.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_195635.jpg  

Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_195532.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_195541.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_195520.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_194133.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_194248.jpg  

Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_194327.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_194419.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_194442.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_194525.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_194606.jpg  

Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_194819.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_194849.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_194903.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_195020.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140520_200856.jpg  


Last edited by blazen_red_4x4; 05-20-2014 at 10:31 PM.
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Old 05-21-2014, 10:38 AM
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Default Fixed and working!

Worked like a charm!
Thanks from Vancouver Canada
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Old 05-21-2014, 01:56 PM
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thanks for the feedback, glad it's helped someone already
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Old 05-21-2014, 02:26 PM
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Just gave you some reputation points
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Old 05-21-2014, 11:19 PM
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Nice write up.
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Old 05-23-2014, 05:37 PM
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Very nice write up
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Old 05-29-2014, 12:01 PM
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Worked perfectly, thank you!! I've been trying to figure that button out for years, haha
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Old 05-29-2014, 12:32 PM
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How does this button compare to the one that also contains the key switch for locking/unlocking? Mine only acts up when it gets cold, so this will have to be done sometime but unfortunately I have a different style button.
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Old 07-01-2014, 03:41 PM
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Sorry I didn't get back to you earlier.

Benefits of working in a junk yard, I can take a look at things like this


Getting the button out is the exact same process, it just looks like there's just a added bit of complexity when it comes to the button itself. You'll notice it has more wires to start with.






Getting it apart is just like the other in that there's just 4 clips around the outside. Pop them loose with a small flathead and the button separates.






Take note of the clocking of the central plastic piece when you get it apart, you'll need to reinstall it in the end at the same position.

To get the central part out (that rotates in the housing), you'll take a small flathead and pry gently on the outside edge in two key spots. If you look close you'll noticed two small nubs on the outer part that the center part snaps under and that's all that holds it it (can't really see them in the photo, but you can see them when holding it in your hand).









Inside, there's pretty much the exact same contacts. Do the same for these as I instructed on the other button, just clean them up.









Then just reassembly by popping the center part back in and turning it so it's in the same position it was before.


To put the two halves of the switch back together, if you look close you'll noticed that one of the clips is smaller than the other 3. Line that one up to get the switch back together in the correct orientation, making the shaft in the center find it's home in the center plastic piece at the same time.



This is all going off assumption though... Mine doesn't have a lock, so I cannot really test and verify that cleaning these contacts in this button type will fix it for sure.
Attached Thumbnails
Rear lift glass release button on hatch - HOW TO REPAIR --img_20140701_161851.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140701_161936.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140701_162037.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140701_162125.jpg   Rear lift glass release button on hatch - HOW TO REPAIR --img_20140701_162131.jpg  

Rear lift glass release button on hatch - HOW TO REPAIR --img_20140701_162136.jpg  

Last edited by blazen_red_4x4; 07-01-2014 at 03:45 PM.
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Old 02-07-2018, 11:53 PM
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Default 2001 Blazer rear hatch.

If you can't get the window to open on the tailgate how do you get to the center screw? It's the only thing holding me back to replace the little piece of plastic that broke since I can't unlock it from the inside.
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1985, 1993, 2000, blazer, button, glass, hatch, lift, power, rear, release, s10, switch, switches, time, work

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