Problem with Window

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28 Jul 2012 11:55 #9894 by GlennS
Problem with Window was created by GlennS
I let the window on the passenger side down completely; it would not go back up. I hear and feel the motor turning in each direction, the window does not move. It seems the mechanism that attaches to the window has dis-engaged. Fortunately the car is garaged. Does anyone know the source of good instructions for removing the door panel and reattaching the mechanism to the window?

Thanks,

Glenn

Glenn Simpson

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28 Jul 2012 12:01 #9895 by srshaw3
Replied by srshaw3 on topic Problem with Window
I always check Greg's site first, and it has removal instructions for a number of years: nichols.nu/cat06.htm

I had a failure in my car once, and it was when the nylon roller broke so the window fell off the track. I suspect you could get a replacement roller. At the time a machine shop owning neighbor just made me up some in metal that worked fine (I replaced both sides).

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29 Jul 2012 00:32 #9905 by 928mac
Replied by 928mac on topic Problem with Window
Its not that hard, just look close at the panel and start removing screws.
Read the page Stan gave you and when you put it back together do not over tighten the screws

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04 Aug 2012 10:19 #9955 by GlennS
Replied by GlennS on topic Problem with Window
Thanks guys!

Glenn Simpson

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08 Aug 2012 19:41 #10031 by GlennS
Replied by GlennS on topic Problem with Window
Stan,

I took the door panel off. I can see that part of the window guide is broken and I can see that it looks like the roller you described. My main question is how do you get access to those components? Th access port is small and you can really get your hand in there.

It seems I would have to pull the window out...any advice?

Thanks,

Glenn

Glenn Simpson

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08 Aug 2012 20:07 #10032 by 928mac
Replied by 928mac on topic Problem with Window
I wish I could help But I have not done one. Has anyone replaced a widow regulator?

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08 Aug 2012 20:55 #10033 by srshaw3
Replied by srshaw3 on topic Problem with Window
It has been a while, but I recall it was doable, and my hands are not tiny :D

The manuals likely explain the process.
This may work for you as well: nichols.nu/tip029.htm

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16 Aug 2012 08:19 #10195 by wallyp
Replied by wallyp on topic Problem with Window
Order the roller and the rivet that retains it.

Move the window to the top and securely tape it in place to give you more room. Repeat - "securely tape it in place" - you do not want a guillotine to fall on your hand!

Unbolt the window regulator - the entire lift motor, gearbox and aluminum arm. Wriggle it out of the door. It will come out more easily if you run the arm to a specific configuration - I'm sorry, but it has been so long since I did this that I don't remember whether the arm should be extended or retracted. Be very careful when you move the arm - it is quick and powerful, and could cause severe personal and property damage.

Once you have the unit out, drill the rivet out, put the new rivet and roller in place, and peen the end of the rivet. Wriggle it back in, feed the roller into the track, and reattach the window.

WYAIT (While You Are In There):
- Lubricate the motor bearings, gearbox and arm joints and gears.
- If your window rattles, you can put a few nylon wire ties around the white window guides, or you can replace them.
- Be sure that you properly replace the plastic water protector sheet. If it is damaged, go to the dollar store and buy a cheap ($1) clear shower curtain.
- Lubricate the door lock, hinges, etc.

Wally Plumley
928 Specialists
www.928gt.com

Wally Plumley
928 Specialists
www.928gt.com

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17 Aug 2012 03:37 #10231 by 928mac
Replied by 928mac on topic Problem with Window

Order the roller and the rivet that retains it.

Move the window to the top and securely tape it in place to give you more room. Repeat - "securely tape it in place" - you do not want a guillotine to fall on your hand!

Unbolt the window regulator - the entire lift motor, gearbox and aluminum arm. Wriggle it out of the door. It will come out more easily if you run the arm to a specific configuration - I'm sorry, but it has been so long since I did this that I don't remember whether the arm should be extended or retracted. Be very careful when you move the arm - it is quick and powerful, and could cause severe personal and property damage.

Once you have the unit out, drill the rivet out, put the new rivet and roller in place, and peen the end of the rivet. Wriggle it back in, feed the roller into the track, and reattach the window.

WYAIT (While You Are In There):
- Lubricate the motor bearings, gearbox and arm joints and gears.
- If your window rattles, you can put a few nylon wire ties around the white window guides, or you can replace them.
- Be sure that you properly replace the plastic water protector sheet. If it is damaged, go to the dollar store and buy a cheap ($1) clear shower curtain.
- Lubricate the door lock, hinges, etc.

Wally Plumley
928 Specialists
www.928gt.com



God I like this Wally guy. Great advice man.
Glad you are over here, do you want a job :D

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17 Aug 2012 03:52 #10233 by Kiln_Red
Replied by Kiln_Red on topic Problem with Window

God I like this Wally guy. Great advice man.
Glad you are over here, do you want a job :D


Wally has been a highly regarded 928 guru as long as I've been around 928s. He had a more regular presence on the old OC forums. I hope he continues his contributions to this forum here and now. He is of infinite value to anyone who plans on doing any of there own maintenance to their 928 and/or is just getting familiar to them.

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17 Aug 2012 14:36 #10251 by 928mac
Replied by 928mac on topic Problem with Window

Wally has been a highly regarded 928 guru as long as I've been around 928s. He had a more regular presence on the old OC forums. I hope he continues his contributions to this forum here and now. He is of infinite value to anyone who plans on doing any of there own maintenance to their 928 and/or is just getting familiar to them.


I am glad of that Austin because I am getting tired of faking it :rolleyes:

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18 Aug 2012 00:31 #10258 by pcar928fan
Replied by pcar928fan on topic Problem with Window

Wally has been a highly regarded 928 guru as long as I've been around 928s. He had a more regular presence on the old OC forums. I hope he continues his contributions to this forum here and now. He is of infinite value to anyone who plans on doing any of there own maintenance to their 928 and/or is just getting familiar to them.


AMEN TO THIS!!! Wally is a 928 STUD! Few know 928's as well as he does!

James
78 Silver / Black-white #295
84 Ruby Red / Black AO84
88 Dark Blue / Linen-Black
92 Polar Silver / Dark Blue 92EURO
93 Arrow Blue / Black

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20 Aug 2012 22:26 #10327 by GlennS
Replied by GlennS on topic Problem with Window
Thanks especially to Wally. The window is all the way down (that's the way it was when it failed). The problem was a broken nylon wheel. I am having a replacement wheel made out of aluminum. I removed the window moter and lift assembly to have this done. I did not have to remove the window.

After I get the the new wheel (the shop will do the peening) I will re-install all parts. Hoping I won't have many adjustments and anticipating that re-installing the lift mechanism will be a little tricky.

Thanks for the help all,

Glenn

Glenn Simpson

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21 Aug 2012 00:28 #10331 by pcar928fan
Replied by pcar928fan on topic Problem with Window
Keep us posted and take very detailed pics and do a Dwayne write up about it for the Tech area!

James
78 Silver / Black-white #295
84 Ruby Red / Black AO84
88 Dark Blue / Linen-Black
92 Polar Silver / Dark Blue 92EURO
93 Arrow Blue / Black

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21 Aug 2012 07:39 #10334 by wallyp
Replied by wallyp on topic Problem with Window
I'm glad that you are getting the problem solved - but did want to point out for other folks that the Porsche nylon roller and rivet set costs about $6 plus shipping from your 928 vendors.

You definitely do not have to remove the window, but it is easier if you securely tape it in the closed position.

Wally Plumley
928 Specialists
www.928gt.com

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26 Aug 2012 17:49 #10607 by curtisr
Replied by curtisr on topic Problem with Window
I found it really helpful to hold the window in place (closed) by using a couple of spring clamps.

Attached files [img]media/attachments/10939=1282-spring_clamp.jpg[/img]

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18 Sep 2012 14:55 #11310 by GlennS
Replied by GlennS on topic Problem with Window
I finally finished this job. The problem was the plastic wheel which rides in the window runner broke. I was going to have the replacement wheel made of aluminum when I considered the noise and wear that might result I did not do that. However I did have the replacement wheel made of a much nore durable matrial (nylon), where the replacement wheels are made of plastic.

I posted a couple of pictures to help with some of the references found online. I was able to do this job woth out having to remove the window. I absolute best part of the story it that my car is back on the road again. Thanks for the advice gang.

Glenn

Attached files [img]media/attachments/11649=1334-window job 1.jpg[/img] [img]media/attachments/11649=1335-window job 2.jpg[/img] [img]media/attachments/11649=1336-window job 3.jpg[/img]

Glenn Simpson

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18 Sep 2012 18:13 #11311 by Kiln_Red
Replied by Kiln_Red on topic Problem with Window
Glenn,

Glad you were able to get it resolved. Now go enjoy! :D

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19 Sep 2012 14:34 #11322 by wallyp
Replied by wallyp on topic Problem with Window
Glad that you got it fixed, and happy to try to help.

While the stock rollers are usually referred to as "plastic", they are also nylon, and typically last twenty to thirty years. At $6, most folks just go with the stock parts.

Wally Plumley
928 Specialists
www.928gt.com

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19 Sep 2012 18:15 #11325 by pcar928fan
Replied by pcar928fan on topic Problem with Window
Isn't it almost always those rollers??? Sometimes the motor, but I think mostly the rollers.

James
78 Silver / Black-white #295
84 Ruby Red / Black AO84
88 Dark Blue / Linen-Black
92 Polar Silver / Dark Blue 92EURO
93 Arrow Blue / Black

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19 Sep 2012 19:42 #11327 by wallyp
Replied by wallyp on topic Problem with Window
I would hesitate to guess the relative frequency of failures in the window system. Leaders appear to be:
Switches (can sometimes be repaired)
Motors (can usually be repaired)
Rollers (replace)
Nylon Guides (can be patched w/wire ties, or replaced)
Rubber and Felt Seals (replace)

Most cars need the door internals, including the window system, cleaned, adjusted and lubricated, with worn/aged/failed parts replaced. It is usually worth the effort to go in, clean, lube and inspect to start with.

Wally Plumley
928 Specialists
www.928gt.com

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20 Sep 2012 00:24 #11337 by pcar928fan
Replied by pcar928fan on topic Problem with Window
Wally,

I was just kind of thinking of the mechanical bits that make it go up and down... True the switches can be iffy, but they usually just get worse over time vs. a catastrophic failure. Also the rubber/felt guides and seals are usually not a deal breaker, but do mess things up.

Speaking of which... How much are those damn felt guides and how easy/hard are they to replace??? My S4's are SHOT! They totally ruined the window tint on those windows too which is VERY frustrating!

BTW, Wally it is SOOOO GOOD having you hanging out with us here! You are one of the most technically skilled and knowledgeable 928 guys I know and your counsel here is priceless! Thanks for hanging with us my friend!

James
78 Silver / Black-white #295
84 Ruby Red / Black AO84
88 Dark Blue / Linen-Black
92 Polar Silver / Dark Blue 92EURO
93 Arrow Blue / Black

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20 Sep 2012 00:52 #11339 by Kiln_Red
Replied by Kiln_Red on topic Problem with Window

BTW, Wally it is SOOOO GOOD having you hanging out with us here! You are one of the most technically skilled and knowledgeable 928 guys I know and your counsel here is priceless! Thanks for hanging with us my friend!


+928 ^^legend^^

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20 Sep 2012 08:48 #11340 by wallyp
Replied by wallyp on topic Problem with Window
Door Window - Felt Guide '77-'95 (928.537.085.03)

These puppies are $35-40 each, and are a pain to install. While it doesn't make installation easier, you can actually buy good-quality felt at the fabric store and recover the old ones, saving about $150...

Wally Plumley
928 Specialists
www.928gt.com

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21 Sep 2012 21:30 #11396 by GlennS
Replied by GlennS on topic 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.

Glenn Simpson

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21 Sep 2012 22:45 #11398 by wallyp
Replied by wallyp on topic Problem with Window
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...

Wally Plumley
928 Specialists
www.928gt.com

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23 Sep 2012 12:36 #11409 by GlennS
Replied by GlennS on topic Problem with Window
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





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

Glenn Simpson

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