2000 C2 Cab top rattles and squeaks

[phillipj]

I just bought a 2000 cab with 65k on it. When the top is up it rattles and squeks so badly I can hardly stand it. I replaced the parts tha hook into the windshield anchor points. That got rid of one rattle but there are so many others. Is this normal? When the top is down the car has no rattles or squeaks.

Is there any other fixes or things to check for these symptoms? I can't believe that Porsche would design a roof that would make this much noise. (if this is normal.)

Any feedback would be gretaly appreciated.

Thanks !

Phillipj

Edited October 25, 2008 by phillipj

[secretagent214]

There are obviously a lot of things that can rattle. I had a couple of annoying ones...

One came from the rear and was caused by the tight fabric rubbing against the metal clam shell just slightly. I fixed that by adjusting the clam shell height. There is a plastic sliding tab that you can find on the left and right side of the car just under where the very front of the clam shell rests. It is only accessible when the convertible top is halfway up, which raises the clamshell. If you push the plastic tab into the surrounding plastic sheath as far as it will go, it will raise the front of the clam shell just enough that should allow it to clear the fabric, eliminating the rattle. There are also two large plastic bolts screwed into the of the body of the car under where the rear of the clam shell rests. Loosening these will adjust the height of the rear of the clam shell, though this will probably not do as much to fix the rattle.

The other came from the side near my ear, which was caused by a slight bit of movement between the door window top and the convertible top. Adjusting the window height or door striker may fix it. I fixed it with a few applications of silicone spray where the two meet. I have to reapply the silicone every so often to keep it quiet.

I also know that it is pretty common to get a rattle from the rear that's supposed to sound like loose change. This is caused by lose convertible top cables. These can be tightened, which eliminate the rattle. Tightening these also tightens the top overall and may help some of the other rattles. However, if they are too tight, you may have trouble getting the top closed all the way. To adjust these, raise the convertible top halfway. Look for two silverish metal cables that run from the convertible top down to a snap that comes out of the liner below. There is one on the left and right side. These can be popped off from the bottom. I have had no trouble adjusting them while they are still attached. There is a bolt that is just next to where these cables attach at the bottom, and turning this bolt adjusts tightness. Loosening the bolt actually tightens the cable. In this case, lefty tighty, righty loosey.

Good luck!

Edited October 25, 2008 by secretagent214

[Loren]

I just bought a 2000 cab with 65k on it. When the top is up it rattles and squeks so badly I can hardly stand it. I replaced the parts tha hook into the windshield anchor points. That got rid of one rattle but there are so many others. Is this normal? When the top is down the car has no rattles or squeaks.

Is there any other fixes or things to check for these symptoms? I can't believe that Porsche would design a roof that would make this much noise. (if this is normal.)

Any feedback would be gretaly appreciated.

Thanks !

Phillipj

Did you check the TSBs on this subject?

[venturawildes]

Can someone post a picture of the cables? My top rattles and annoys the hell out of me. I can't find the cables.

[fpb111]

Check the two "tabs" that go into the windshield header. They should have plastic covers on them. One of mine broke off and the tab rattled until I replaced it.

Also if you have a squeak above your ear (sounds like it is behind you) put the top in the service position and put a dab of silicone grease on the rubber rubbing block in the top. You will see where it rubs by the wear marks on it (them, both sides)

[mffarrell]

My cab top has rattled since the day I purchased new from the dealer. Install a sports exhaust or turn up your sounds!