Problem with Window

The potential problems with felt guides and fit, not to mention breaking is what made the approach I took to this repair most gratifying. Thank goodness I did not have to remove the window to do work on the lift assembly or motor.

Big Deal Here...the plastic rollers you buy do not fit the window rail at the bottom of the window the diameter is too wide. I had mine trimmed by a local machine shop.

I have never seen or heard of a problem with the fit of the rollers. Were the rollers that you bought Genuine Porsche parts? If there is a problem, we need to get it fixed...

I bought the rollers from 928 International. Here's a copy of the email response from them, I bought a few other items:

Re: Order Number: 151884

Dear Glenn Simpson 76717,

Thank-you for placing the following order with 928 International:
Item Qty Qty Qty Expected
Number Description Ord. Shp. Bck. By

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911 531 70 Rotary Door Knob Insert 1.00 1.00 0.00
3 00
928 555 60 Knob Armrest Box 2.00 2.00 0.00
7 02
WRK Window Roller Kit 1.00 1.00 0.00
928 631 13 Red Door Jam Light 1.00 1.00 0.00
1 00

This was not a fluke because I subsequently ordered 2 more. The roller diameter is too large to fit in the rail, they are also too wide. The reason I bought two more is that I plan to replace the one in the driver's side door this winter.

There is no uncertainty about this because I had to make multiple trips to the machine shop before getting the roller trimmed to the proper size; I insisted that I would not remove the window. After we got the right size the machine shop kept the right dimensions for the one I will do this winter. Also because I bought two I have spare. So if you would like me to send a sample of what the wrong size looks like I can do that.

Glenn