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Old 04-21-2014, 11:33 PM
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82Porsche928
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An someone please tell me what the small triangle on the driver window does? I've asked every 928 guy I run into, and have thoroughly scoured the web.. It's really bothering me.


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Old 04-21-2014, 11:51 PM
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WyattsRide
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"Thrust Wedge" for helping guide the glass into the recess while driving.
Old 04-21-2014, 11:57 PM
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Rob Edwards
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Helps direct the window into the channel when closing the window at speed. It is held on by a single philips head screw in the middle of the window channel. You do not want to be without one (or two...)
Old 04-21-2014, 11:59 PM
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82Porsche928
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Why is this only on the drivers window then?
Old 04-22-2014, 12:02 AM
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Rob Edwards
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Great question, I dunno. Is there only one thrust wedge on the right side of the car on RHD 928's?
Old 04-22-2014, 12:07 AM
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martinss
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My '88 has one on each side. PET lists a different one for left and right.
Old 04-22-2014, 12:12 AM
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82Porsche928
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Every us ob I've seen has only one on the drivers side.. Interesting.
Old 04-22-2014, 12:40 AM
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Mrmerlin
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their should be a wedge on both windows,
if this part isnt installed and the window is closed while traveling at speeds over about 50 MPH,
the top of the window may get pushed outwards,
and thus jamb the window from closing.
This could cause the window to shatter, or the lower window attach point to be damaged
Old 04-22-2014, 06:01 PM
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WyattsRide
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My MY 85 has them on both sides.
Old 04-22-2014, 06:17 PM
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jeff spahn
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My 90 has them on both sides.
Old 07-07-2014, 11:41 PM
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I was missing the passenger wedge. I have a brand new one in hand. Do I have to remove the inside trim to install the screw? Looks pretty tight. Also, does it need a bit of RTV or something similar when installed?
TIA
Ole
Old 07-07-2014, 11:55 PM
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Also, what fastener is required? I removed the driver side fastener and could instantly tell it was not factory installed!
I'll check PET as well.
Old 07-08-2014, 12:07 AM
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Mrmerlin
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a small Phillips screw is needed,
carefully push the rubber seal out of the way then fit the screw driver into the screw,
put a towel over the top of the window once its down,
so the screw cant fall into the door,
Or rig a piece of card board to the top of the window to catch the screw as it will probably fall going in or coming out
Old 07-08-2014, 12:26 AM
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Okay. Thank you!
Old 07-08-2014, 01:00 AM
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Originally Posted by Mrmerlin
a small Phillips screw is needed,
carefully push the rubber seal out of the way then fit the screw driver into the screw,
put a towel over the top of the window once its down,
so the screw cant fall into the door,
Or rig a piece of card board to the top of the window to catch the screw as it will probably fall going in or coming out
Would you recommend a bit of sealant?


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