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Rockin' NW Arkansas
 
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Come on man! Windows

I just spent weeks trying to get my windows to work and now i think a motor is out. dont have a/c right now and its getting hot in here. when i click my switch i hear he motor hum. complete motor?

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Matt
1986 Porsche 928 S - Daily Driver
1984 928 S - SOLD, 1986 944 S - SOLD, 1988 944 S - SOLD
Old 05-21-2010, 03:20 AM
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Pull the door panel and watch the window regulator for movement and diagnose from there.
Old 05-21-2010, 04:51 AM
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The motors get tired....and then die. Happens all the time.
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Old 05-21-2010, 04:53 AM
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928: Serial Enabler
 
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Matt, its not that hard to get the door panels off and get to the insides. Try this thread for some suggestions. Hopefully you can see the good pictures that Jim uses to illustrate. Mason might know for sure, but I think your window motors are same as on this S4.


Window Motor R&R - Rennlist Discussion Forums
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Old 05-21-2010, 05:08 AM
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You don't have to pull the door panels, just the little leather inserts. Pulling the entire panel does not really get you any more access.
Old 05-21-2010, 05:48 AM
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Motor hums, but no worky. Sounds like something is jammed. There's a rod in there that travels up and down through a guide. Clean and lubricate that guide, plus lubricate the gear plate at the bottom on the teeth, too.

See what happens. By the way, removal of the door panel is a piece of cake. However, where the plastic sheath enters the panel may need to be cut to allow the harnesses to be separsted from the panel. This is if no one has ever pulled the main panel before, which is very unlikely.
Old 05-21-2010, 06:09 AM
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well i hit the button and i hear a click. up or down. as if it wants to but there is no movement. my headlights dim alot only with this window. now it is going to be 92 today.... please tell me there is a way to lower the window.

I have new (used) panels coming and have already recut some sound proofing. plan that prodject next week. i just got these motors (used) not to long ago.
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Matt
1986 Porsche 928 S - Daily Driver
1984 928 S - SOLD, 1986 944 S - SOLD, 1988 944 S - SOLD
Old 05-21-2010, 07:50 AM
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928: Serial Enabler
 
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There isn't.
Open the other one.
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Old 05-21-2010, 09:09 AM
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There is, unscrew the nylon bushing that holds the window on the steel guide pole.

Don't break it....
Old 05-21-2010, 09:11 AM
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You may have a big voltage drop in the circuit from high resistance. You can jump 12 volts straight to the motor to see if it responds. Don't worry about getting backwards, just flip the leads around until it rolls down (polarity switched motor). If no joy, jammed mechanism or bad motor.
Old 05-21-2010, 12:59 PM
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ok i got lucky. when i bought the car it came witha box of parts. 2 good motors.
I took the bad one off and now cant get it all back togeather. window is down now though. anyone have a breakdown
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1986 Porsche 928 S - Daily Driver
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Old 05-21-2010, 03:57 PM
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I replaced my motor a couple of years ago and had no manual or guidance...I think I just pulled the panel, un-plugged motor's two wires, un-screwed/bolted the motor then pulled it out. Then just reversed the process. Check the switch before you close up to assure you have the wires in the proper up/down lug.

You may have to adjust how the window is positioned in its track to align the bolt holes, I just don't remember. I think I used a 1x1 to hold the window static and then performed the task.
Jon
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Old 05-21-2010, 04:05 PM
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well i ad to unbolt it from the mechanisim to get i out. with my giant hands i cant hold the window, the mechanisim and the motor in place to put bolts back in.
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Matt
1986 Porsche 928 S - Daily Driver
1984 928 S - SOLD, 1986 944 S - SOLD, 1988 944 S - SOLD
Old 05-21-2010, 04:21 PM
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Firefighter, pulling the door open isn't that big a job. The Nichols site has a write-up on removing he door panel. There are several screws that you need to remove, but the real problem is simply sliding a screwdriver under the door panel and prying it from the metal door, just like any other car. You are going to probably break a few panel plugs. Autozone and Advance auto have these in stock- there is nothing exotic about your door. Once you get the door panel off, you need to remove three 10 mm screws in order to remove your window regulator. The arm of the regulator uses this white nylon button about 3/4 inch across [new ones are for sale with the rivet at www.928intl.com], and that is the typical culprit. The bottom of the window has a channel, and the white nylon wheel is riveted to the end of the arm. The typical failure mode involves the window dropping inside the door suddenly. When you pull it apart, you pull the regulator out of the gap at the bottom of the door, and drill out the old broken Nylon part. Then you install the new nylon, and use a hammer and the floor of your garage to slightly flare the end of the rivet that holds the new wheel in place. Put it back in the door [most people use a screw clamp to keep the window up while doing this], slide it into the slot on the window, and bolt it in place. Put your door panel back on, and VOILA; You've just saved $700 by fixing this yourself versus taking it to the Porsche dealer!

Good luck! I've taken my door panels off probably 100 times. PM me if you have any questions.

N!
Old 05-21-2010, 04:26 PM
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Understand about the hands...Try and configure the window and track-arm assembly 1st then prop it up at suitable height with a 1x1 (or anything) then replace the bolts???
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Old 05-21-2010, 04:34 PM
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Quote:
Originally Posted by Normy View Post
Firefighter, pulling the door open isn't that big a job. The Nichols site has a write-up on removing he door panel. There are several screws that you need to remove, but the real problem is simply sliding a screwdriver under the door panel and prying it from the metal door, just like any other car. You are going to probably break a few panel plugs. Autozone and Advance auto have these in stock- there is nothing exotic about your door. Once you get the door panel off, you need to remove three 10 mm screws in order to remove your window regulator. The arm of the regulator uses this white nylon button about 3/4 inch across [new ones are for sale with the rivet at www.928intl.com], and that is the typical culprit. The bottom of the window has a channel, and the white nylon wheel is riveted to the end of the arm. The typical failure mode involves the window dropping inside the door suddenly. When you pull it apart, you pull the regulator out of the gap at the bottom of the door, and drill out the old broken Nylon part. Then you install the new nylon, and use a hammer and the floor of your garage to slightly flare the end of the rivet that holds the new wheel in place. Put it back in the door [most people use a screw clamp to keep the window up while doing this], slide it into the slot on the window, and bolt it in place. Put your door panel back on, and VOILA; You've just saved $700 by fixing this yourself versus taking it to the Porsche dealer!

Good luck! I've taken my door panels off probably 100 times. PM me if you have any questions.

N!
Thnks everyone. gonna continue on it tomarrow. the door anel was no prob at all. there is just a small hole for me to get y hand into the inside to re-attach the motor. just too small
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Matt
1986 Porsche 928 S - Daily Driver
1984 928 S - SOLD, 1986 944 S - SOLD, 1988 944 S - SOLD
Old 05-21-2010, 04:34 PM
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Quote:
Originally Posted by Normy View Post
Firefighter, pulling the door open isn't that big a job. The Nichols site has a write-up on removing he door panel. There are several screws that you need to remove, but the real problem is simply sliding a screwdriver under the door panel and prying it from the metal door, just like any other car. You are going to probably break a few panel plugs. Autozone and Advance auto have these in stock- there is nothing exotic about your door. Once you get the door panel off, you need to remove three 10 mm screws in order to remove your window regulator. The arm of the regulator uses this white nylon button about 3/4 inch across [new ones are for sale with the rivet at www.928intl.com], and that is the typical culprit. The bottom of the window has a channel, and the white nylon wheel is riveted to the end of the arm. The typical failure mode involves the window dropping inside the door suddenly. When you pull it apart, you pull the regulator out of the gap at the bottom of the door, and drill out the old broken Nylon part. Then you install the new nylon, and use a hammer and the floor of your garage to slightly flare the end of the rivet that holds the new wheel in place. Put it back in the door [most people use a screw clamp to keep the window up while doing this], slide it into the slot on the window, and bolt it in place. Put your door panel back on, and VOILA; You've just saved $700 by fixing this yourself versus taking it to the Porsche dealer!

Good luck! I've taken my door panels off probably 100 times. PM me if you have any questions.

N!

Just did this... perfect write-up Normy
Old 05-22-2010, 03:58 AM
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928: Serial Enabler
 
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Ditto, good write-up! Thanks.
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Old 05-22-2010, 05:07 AM
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Arrgh Matey!
 
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Quote:
Originally Posted by m21sniper View Post
You don't have to pull the door panels, just the little leather inserts. Pulling the entire panel does not really get you any more access.
holy ****... where'd u come from Bill
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Old 05-22-2010, 06:57 AM
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I've been here for 4 years.

Old 05-22-2010, 10:17 AM
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