Window screeching
Track Day
Joined: Jul 2012
Posts: 17
Likes: 4
Still under warranty. It was an easy fix and I didn't want to bother with the time and hassle of having to convince the dealership it's a warranty issue, have tech reproduce, etc.
Btw, part is around $200 online for new
Btw, part is around $200 online for new
Last edited by xman11; May 4, 2024 at 07:38 PM.
Instructor
Joined: Sep 2021
Posts: 249
Likes: 371
Ideally, Porsche should fix it under warranty like in these posts (1 and 2).
I had a similar issue. It was driving me crazy so I took a look at it today.
It turns out there is a rubber guide at the front end of the door that gets folded inwards and rubs against the window causing a squeak or screech.
My guess is it can get this way if you roll the window all the way down - by pressing down button after one touch down.
Take off the exterior metal rail (don't bend it) and rubber on top of door for better access. (find a video on youtube)
Roll the window down.
Using a long thin stick like a wooden paint mixer or shim, try to reposition the rubber at the front end of the window so it's no longer folded inward. Start from top of the open and work your way down.
(See pic with arrows)
Use long thin object to guide out the rubber guide
Slowly roll up the window while positioning the rubber guide to not fold inward. Continue until the window is mostly up and you no longer have access.
If the rubber guide is salvageable, you should be able to roll down the window without the rubber guide folding back in and roll it back up without the squeak.
Rubber guide in correct position
Hope this helps.
I had a similar issue. It was driving me crazy so I took a look at it today.
It turns out there is a rubber guide at the front end of the door that gets folded inwards and rubs against the window causing a squeak or screech.
My guess is it can get this way if you roll the window all the way down - by pressing down button after one touch down.
Take off the exterior metal rail (don't bend it) and rubber on top of door for better access. (find a video on youtube)
Roll the window down.
Using a long thin stick like a wooden paint mixer or shim, try to reposition the rubber at the front end of the window so it's no longer folded inward. Start from top of the open and work your way down.
(See pic with arrows)
Use long thin object to guide out the rubber guide
Slowly roll up the window while positioning the rubber guide to not fold inward. Continue until the window is mostly up and you no longer have access.
If the rubber guide is salvageable, you should be able to roll down the window without the rubber guide folding back in and roll it back up without the squeak.
Rubber guide in correct position
Hope this helps.
I'm having the same screeching issue on my drivers door glass, your procedure seem simple enough to accomplish. I searched youtube and couldn't really find any instructions for removal of the outer scraper seal/trim assy for the 992. It appears that it is might be removable with a plastic trim tool, could you please explain the removal procedure for this piece?
Track Day
Joined: Jul 2012
Posts: 17
Likes: 4
Here's a link to youtube vid.
iirc, I don't think you have to remove the small plastic triangle trims.
Btw, it happened to me again when I rolled down the window all the way down - this is possible when door is closed.
I fixed it one more time and now try to remember to leave about 2" of glass sticking above the door line.
iirc, I don't think you have to remove the small plastic triangle trims.
Btw, it happened to me again when I rolled down the window all the way down - this is possible when door is closed.
I fixed it one more time and now try to remember to leave about 2" of glass sticking above the door line.
Instructor
Joined: Sep 2021
Posts: 249
Likes: 371
Really appreciate the YouTube link and reply back. Hopefully, the guide seal will reposition itself after a little time, otherwise it will probably require replacement. I'll try to adjust mine and see what happens.
Last edited by lone992; May 23, 2024 at 05:34 PM.
1st Gear
Joined: May 2024
Posts: 1
Likes: 0
From: Southern California
My 21 C4S Cab has the screeching window problem. No tint on the windows. As the weather warms up here in So Cal it goes from not happening at all to happening all the time - both windows. I have had this in once to the dealer. It came out quieter but not eliminated. The tech must not be able to hear high frequency noises! I am going to take it back in again. Annoying!
