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my 2021 C4S has been in the stable since late July and is an amazing machine. My only issue so far is an obnoxious screeching noise when I roll down the windows.
The screeching has come from both sides on different occasions but not always. seems strange.
any advice on a fix is appreciated.
Last edited by Cachemoney; Oct 28, 2021 at 01:53 PM.
my 2021 C4S has been in the stable since late July and is an amazing machine. My only issue so far is an obnoxious screeching noise when I roll down the windows.
The screeching has come from both sides on different occasions but not always. seems strange.
any advice on a fix is appreciated.
Didi you fix it ? I have the same issue driver side
Thanks
OP, did you ever find out why it was screeching? My drivers side window screeches 95% of the time I roll up or down over the past 3-4 months since new.
I had the exact same problem with my 2021 911... I did have window tint, but I am not sure that is what caused it since it had tint for a year before the sound started... Problem went away (because I traded the car in for a 2023 that is being built next week!) lol
I had the exact same problem with my 2021 911... I did have window tint, but I am not sure that is what caused it since it had tint for a year before the sound started... Problem went away (because I traded the car in for a 2023 that is being built next week!) lol
yeah mine has no tint. It screeched before and after I installed the AWE wind foilers. My fear is the little window motor is under more load and will eventually give up
OP, did you ever find out why it was screeching? My drivers side window screeches 95% of the time I roll up or down over the past 3-4 months since new.
The screeching did go away on mine, so I figured it was the ceramic coating. Didn't do any tinting so I assume it was that.
sold the car last year though to make way for a Targa GTS. Didn't opt for tinting on the Targa either and so far no screeching.
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.
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Window screeching
