My driver's side window is noticably slower than the rest, so I'm subscribed to this thread.

 

U got window tint? Or in channel visors? Also take a q-tip and clean the channel with alcohol, don't do this much or it will dry rot the insulation/rubber in the channel. But u might have some gunk in there. Also cold weather has evidently caused my window seals to contract, in the summer mine are pretty zippy!!!!
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Yeah I took mine to the dealer, they performed an adjustment on them to improve the speed. It does become noticably reduced in the winter cold vs. the warmer summer.

I know they lubed up the window - but I want to also say they did a motor adjustment...

Sorry I couldnt be more helpful, it was a couple years ago this was done.

 

I also noticed mine are moving a little slower recently. Seems pretty consistently slower all the way around.

 

spray silicone spray in the guides (sides of the door where the glass slides on the upper part of the door).

 

+1. made a difference for me.
Simple to do,open, spray, windows up, then let dry with windows down.

 

Same here both my front windows are a lot slower than rear will try some of your suggestions and see
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I noticed mine are much slower now that the weather is colder. I thought it was my tint causing the issue but on warmer days they are definitely faster. Unfortunately my list of issues is growing for my next stop at the dealer

 

The silicon spray mentioned earlier works.

 

mine got slower last winter so I didnt think twice this season...but I know my drivers motor is about to kick the bucket. its MAD SLOW & you can hear the motor struggling to put it up or down. cold or heat of the day.....wont be to long & ill be swapping it out i guess.

 

Coming across this thread I decided to do this despite not noticing any issues with my windows. I timed the before and after lubing. I shaved 1 second off the rollup time of my front driver/passenger windows.

 

Interesting to know... My windows absolutley suck as far as up and down go... hahaha...

I've just come to grips with it, but I will try this silicone lube.... I thought it was just a flaw and they sucked... we'll see what happens after the lube....

 

Definitely trying the silicone, thanks. I probably would have just accepted it, but I know my last X didn't move so slow.

 

So with the windows up, from the outside of car spray the entire outside of window with silicone spray, wait 5 minutes then roll them down? Will this ruin my window tint, and also what kind of silicone spray you guys recommend? Thanks!
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Roll your windows down, then spray window channels/guides as that's where the friction is coming from. Put a straw nossle on your can so you can more directly apply the lube. And any silicon spray will work. It should only cost a few bucks at your local hardware store. Let the lube sit for a few minutes then roll your windows up and down a few times.

 

I just got done doing this, and my driver's side window now goes up in 3.4 seconds versus the 6 to 7 it was taking. Just the straw nozzle in the track.

 

My windows have always been slow, motor seems weak.
When the window gets wet, it will go down normal speed, and come up slower than normal.
Today was the perfect storm, rare rain in Arizona, had to roll down Window to talk with the guy doing the emissions test, now it won't go up.
Luckily it was not raining much during the drive back home, just a cold day (for Phoenix area).
Usually I park outside, but it is in the garage, expecting it to work when dries out.
Nothing wrong with the weather stripping, and lubricating the guides won't help because it can't get that far atm

 

Sounds like a window regulator motor went out. Not that uncommon for them to go out.

 

Agree.
The motor was always slow, on a good day.
just found this about Gen 1 Xterrras

"Nissan has initiated this window regulator Warranty Etension to cover repairs needed to correct defects in materials or workmanship in this system for a period of up to five (5) years from the vehicle in-service date or 60,000 miles whichever occurs first. Should your vehicle require a window regulator repair, Nissan will replace the window regulators in all four doors of Altima and Xterra models. For Frontier models, Nissan will replace the Window regulators in the front doors only. The rear doors of Crew Cab models are not affected.

Because extended high temperature conditions affect the window regulators, in the following warm weather areas of the United States window regulators will be replaced:

Alabama
Arkansas
Arizona
.....

heat kills them faster, and Az is probably the hottest.

I replaced all 4 regulators on the 94 Maxima I had because of a little plastic part that would fail.

Will replace the motor, and maybe regulator since I will have it apart.

At least you expect motors to fail, but I don't roll down the window often because there are only a few good weeks a year in Phx for that.


Update - Dorman 741-348 Front Driver Side Power Window Motor and Regulator Assembly for Select Nissan / Suzuki Models (OE FIX)
arriving Wednesday (motor and regulator)

 

Yep the motor is bad but to replace its pretty easy and fast.. I have a video about it.. and here is the link where I bought it from fit perfect and works way better and fast

https://amzn.to/2KKSNoS

 

I'm going to need to do this soon. Mine are too slow.