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Leland Pate's Avatar
 
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Stop me from shooting my car (Door rattle)

I have had it with this rattle coming from my driver's side door.

Since I've had the car, the rattle has always been present. (in fact every 911 I've ever owned seemed to have a door rattle) But, up until my RS motor mount install the rattle only raised it's ugly head when traveling on extremely rough pavement or gravel. I could live with that. However, since installing the RS mounts there is a constant rattle coming from the center section of the door.

I am at a loss as to how to fix this. I've removed the door panel and stuck my arm up behind the inner skin feeling for any loose mechanicals or foreign objects laying in the bottom of the cavity. Nothing. I even sprayed lubricant on the window rollers and arms. Nothing.
The 993's don't have that pesky horizontal door latch bar because they use electronic locks. So, I soon realized there was no rod to rattle like on my old 911's.

The only way I can get it to stop rattling while driving is to firmly press my elbow against the center of the door panel (on the door panel insert).

I know this is a longshot but I am really hoping someone else has gone through this and found a solution. I've even thought about just replacing the entire door. I can't stand rattles.

Any help or ideas would be appreciated.
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Old 02-09-2006, 07:57 PM
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Turn the radio up.

No solution, but a true story: A million years ago I was a small kid visiting my grandparents farm in rural Arkansas. My grandpa comes driving up in his beige El Camino, one tire missing completely - the rim was badly chewed up, looks like 50 miles or so of driving.

My Dad, aghast at this, asks my Grandfather, "How long have you been driving on that rim." His answer, "Oh, since about Magnolia (that's 30 miles away)" My Dad shakes his head and asks, "How could you stand the noise?"

"Oh, I just sang a little louder."
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Old 02-09-2006, 08:05 PM
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Definitely worthy of a bump since I have the same infernal problem times 2. Rattles drive me nuts!
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Old 02-09-2006, 08:11 PM
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IIRC, there are some nylon rings that slip over the actuating rods
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Old 02-09-2006, 08:16 PM
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Randy, how many rings per rod? A couple?
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Old 02-09-2006, 08:24 PM
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Searched out host's site and nuthin' Dealer only?
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Old 02-09-2006, 08:38 PM
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Dunno - you'll have to look at the PET diagram.

Dunno what they are called either. You could always use duct tape.

Bottomline: you need to take the panel off and see what is hitting to cause the rattle...
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Old 02-09-2006, 09:12 PM
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Don't see them in the PET diagram. Only felt pads...
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Old 02-09-2006, 09:15 PM
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Leland, the fact that you can press on a particular area of the door to stop the rattle should give you a big clue as to exactly where it's coming from. Examine that area closely. Shake things around and try to duplicate what might happen when you press on the panel. What would that stop moving?

Can't help you much more, but I think a little thought and perserverance will help here. Good luck,

ianc
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Old 02-09-2006, 09:21 PM
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What I would do is remove the door panel and go for a drive. That way you can see what's going on inside the door. Does it rattle more with the windows up/down? Roll the windows up and when you hear the rattle start grabbing stuff to see if it quits.

I hate rattles! Good Luck!!
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Old 02-10-2006, 03:30 AM
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Hi Leland,

I had a rattle in my door with about the same symptoms. Sounded like it was from the center of the door. I searched for weeks, had the pael off several times. I finally found that the mirror housing was loose and rattling from the mount hook to the door panel. Tightened it up, nomore rattle. Dont know if 993 mirror mounts the same way.

Good luck...
Old 02-10-2006, 04:49 AM
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OK Leland...Here you go..First, can you minimize the rattle by raising the window half way, 1/4 way or all the way down?...Does the rattle increase/decrease? If yes:

Take off the door panel, look for the allen bolt that will adjust the window track up or down.

What you want to do is adjust that track to where there is a bit more pressure on the rollers riding inside the track.

Here's the tricky part...When adjusting that track, make sure you do not over adjust so as not to have the window raise unevenly.
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Old 02-10-2006, 06:44 AM
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Re: Stop me from shooting my car (Door rattle)

Quote:
Originally posted by Leland Pate
....The only way I can get it to stop rattling while driving is to firmly press my elbow against the center of the door panel (on the door panel insert).....Any help or ideas would be appreciated.
Sincerely NOT trying to be flippant, but why not do essentailly the same as what you describe here? But from the inside out! If holding the door panel firmly against the substrate metal stops the rattle, then isn't THAT your problem?!

Just try wedging some small pieces of cardboard or other suitable, non rust-able material in there and see if you can get it to hold. You can always use duct tape to hold them since you won't see it once you replace the door panel over it. Hope this helps.
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Old 02-10-2006, 06:56 AM
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door acoustic pads

I have the same problem as well in my 87 Targa. Has anyone tried using the precut acoustic pads in the door to see if that helps with the door rattle?

J
Old 04-01-2006, 08:23 AM
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I had that rattle too. I found it was the rod that is connected to the door lock actuator (the round dial). and the rattle was right behind that area. I taped a small piece of foam around the rod and...voila--gone.

Mike
Old 04-01-2006, 09:23 AM
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Are the door panels stock? I traced my door rattle to the captive nuts in the door that are used to attach the door pockets. The new pockets were not using them, and they were loose in their cages. I put short screws into them from the inside to stop the rattle.

Before finding this, I had dismantled the door latch mechanism, and machined new plastic bushings.
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Old 04-01-2006, 10:34 AM
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This is not an elegant solution, but it is better than shooting your car. If the hardware is all tight as suggested above, then the problem is usually one of the rods rattling around.

Take some vacuum hose, slice it lengthwise and slide it over the offending rod - without taking anything apart. The vacuum hose will stop the metal to metal rattle. You can put in small pieces or larger pieces if clearance allows.

If you are really into it - take the rod off and slide the vacuum hose over the rod, then reinstall (instead of slicing open the vacuum line).

Either one is pretty easy. Very cheap and works 9 out of 10 times. Obviously make sure you have no clearance problems with the vacuum line over the rod. angela
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Old 04-01-2006, 12:47 PM
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Whoops,
I forgot to post an update. I finally found the problem with my door panel.
After at least an hour of getting really pissed off, I finally realized there is no bar that actuates the locking mechanism on 993's. The inner handle attaches to a cable (similar to a bicycle cable) that leads to the locking mechanism.

That blasted cable was rattleing against the inner skin of the door because the cylindrical piece of el-cheapo foam installed over the cable by the factory had rotted away.

So, I stuffed some new foam up there and it's been quiet since.

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Old 04-04-2006, 07:59 PM
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Old 04-04-2006, 07:59 PM
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