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How to Replace Window Regulator 02-06 GMC Envoy XL

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  1. step : Removing the Door Panel (0:37)
    • Pry up the door pull trim piece with a flat blade screwdriver
    • Remove the two 7mm bolts from the door pill
    • Pry out the door panel clips with a putty knife
    • Pull the door handle out of the door panel
    • Lift the door panel up and off
    • Push the window switch out of the door panel from behind
    • Disconnect the window switch wiring harness
    • Peel off the water shield, using a razor blade if necessary
  2. step : Removing the Window Regulator (1:58)
    • Lower the window to access the window clamp nuts
    • Disconnect the window motor wiring harness
    • Loosen the two 10mm nuts from the window clamp
    • Pull the window out of its clamp
    • Unclip the regulator cables from the door
    • Remove the lower two 10mm bolts from the regulator
    • Loosen the top ten mm bolt from the regulator
    • Pull the window regulator out of the door
  3. step : Installing the New Window Regulator (3:21)
    • Remove the top 10mm bolt from the old regulator
    • Insert the 10mm bolt into the new regulator
    • Hang the new regulator in place by the bolt
    • Insert the lower two 10mm bolts into the regulator
    • Tighten all three 10mm bolts
    • Clip the regulator cables into the door
    • Loosen the 10mm window clamp nuts
    • Connect the window motor wiring harness
    • Lower the window onto its clamps
    • Tighten the 10mm window clamp nuts
    • Put the ignition in accessory mode
    • Connect the window switch wiring harness
    • Test the window with the switch
    • Disconnect the window switch wiring harness
    • Turn the ignition off
  4. step : Reinstalling the Door Panel (5:02)
    • Put the water shield into place
    • Push the door panel shield onto the door panel
    • Thread the wiring harness through the window switch cavity
    • Lift the door panel into place
    • Push in the door panel clips
    • Connect the window switch wiring harness
    • Push the window switch into the door
    • Insert the two 7mm bolts into the door pull
    • Push in the door pull trim piece

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Hi, I'm Mike from 1A Auto. I hope this how-to video helps you out, and next time you need parts for your vehicle, think of Thanks.

In this video, we're going to show you how to replace a rear window regulator on this 2003 GMC Envoy XL. It's the same part and similar process on the regular Envoys from 2002 to 2009. The items you'll need are a new rear window regulator from, flat blade screw driver, a 7mm and 10mm socket and ratchet, and a putty knife.

Start off by prying up this little cover with a flat blade screw driver. Then remove those two 7mm bolts. Stick a putty knife behind the door panel and slide it down until you find the first clip and pry out and reach in behind the door panel and just pull out around each clip. Once you remove each of those clips, you can pull the door handle back. Then just push this switch from underneath. It comes up and out. Then push the tab on the harness and disconnect it. You could technically do this before removing the door panel, but you're more likely to scratch up your door panel if you do that. Remove your water shield. Having a razor blade can help because you can just cut at the adhesive, but you can also just pull it free.

This is a cable activated regulator, and a lot of times when they break, what you'll be able to do, you'll hear a popping and grinding noise, and then your window will actually move up and down. So, once you get the door panel off, you'll want to move it to this position where you can get at this 10mm nut and this 10mm nut, and you're going to loosen those. Before we do that, we'll just take a screw driver and push on this tab here and push the connection out. Pull the window up and out of those clamps. Then push the tabs on this clip and push it through the door. Then remove these two 10mm bolts and loosen this top one. Tilt your window regulator and then lift it up and unhook it and pull it down and out of the door.

On the left is the old regulator. On the right is the new one from 1A Auto. You can see they're identical, and they'll fit exactly the same. Remove that top bolt from your old regulator and thread it into your new one just loosely so that you can hang it up in the door. Take your new window regulator, feed it up into the door, push that bolt through the top and hang the regulator and then just line it up and replace those other two bolts. We'll fast forward as Mike does this and tightens them both up. Push this clip back into the door, loosen up these window clamps, reconnect this harness, and then slide the window down into those clamps. Once you have it all the way in and clamped down, tighten up those two 10mm nuts, put your vehicle into accessory, plug in the switch, and just test out the regulator. You can see it works. You can just disconnect the switch and make sure you put your car back in the off position.

We'll fast forward as Mike replaces that water shield. To replace your door panel take the small panel and push it back onto these studs. Then, push the harness for that switch back up through the hole in the door panel. Line up the clips on the door panel, and once you have them all lined up, just hit them into place. Reconnect the switch and push it down into place, and then replace those two 7mm bolts and tighten them back up. Now just replace the small cover, and you're all set.

We hope this video helps you out. Brought to you by, your source for quality replacement parts and the best service on the Internet. Please feel free to call us toll-free, 888-844-3393. We're the company that's here for you on the Internet and in person.

Tools needed for replacement:

    General Tools

  • Putty Knife
  • Razor Blade / Gasket Scraper

  • Ratchets & Related

  • Ratchet

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • 10mm Socket
  • 7mm Socket

2003 - 2003  Isuzu  Ascender
2004 - 2006  Isuzu  Ascender
2002 - 2006  GMC  Envoy XL
2004 - 2005  GMC  Envoy XUV
2002 - 2006  Chevrolet  Trailblazer EXT

2002-06 Envoy XL XUV Trailblazer EXT Ascender (7 pass) Power Window Regulator Wi

Chevrolet GMC Isuzu Rear Power 2 Piece Window Regulator Set Dorman 1AWRK00066

This part replaces:

  • Dorman 741-890, 741-891

Part Details

  • Operation: Power
  • Regulator Option: with Motor
  • Set Quantity: 2 Piece
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