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Cabrio system malfunction

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Cabrio system malfunction - 5/29/2008 4:47:45 AM

Cornerstone

Posts: 4
Joined: 5/29/2008
Status: offline

The cabrio system on my 1990 944 s2 works properly, but then after a few hours stops working. I have to sometimes wait overnight before it beggins to work again. Forcing the cabrio itself up or down don't help. Is it a connection, motor, relay problem or something else? Can someone help me?

< Message edited by Cornerstone -- 5/29/2008 4:49:22 AM >

Post #: 1

RE: Cabrio system malfunction - 5/29/2008 10:04:38 AM

Big Bob

Posts: 613
Joined: 9/7/2007
Status: offline

Its clearly an intermittent electrical fault. Is there any water ingress around the motors etc?
Otherwise its a wiring diagram job and trace through the system with an AVO Meter to confirm you have good connectivity etc.
Regards Big Bob

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Porshe 996 Carrera 2, Smart Roadster Coupe (120bhp), SL500 Mercedes, Mercedes ML420 CDI (360hp 840NM torque)

(in reply to Cornerstone)

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RE: Cabrio system malfunction - 5/29/2008 12:14:07 PM

PorscheDoc

Posts: 2558
Joined: 4/24/2005
From: Overland Park, KS
Status: offline

Sounds like maybe a relay is getting hot. I don't have any experience with 944 cabs unfortunately.

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Doc Wilen
I Stayed At A Holiday Inn Express Last Night
Imagine Auto
86 951: 295WHP/275RWTQ. 2670lbs

(in reply to Big Bob)

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RE: Cabrio system malfunction - 5/29/2008 1:41:16 PM

Cornerstone

Posts: 4
Joined: 5/29/2008
Status: offline

Thanks Big Bob for your insght. Where exactly is the motor located to check for any water dammage? I don't do any major repairs my self but due to the fact that we have no Porsche repair shops in my city (have to drive 7 hrs to the nearest one), I have to lead my mechanic into what to do.

(in reply to Cornerstone)

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RE: Cabrio system malfunction - 5/29/2008 1:47:02 PM

Cornerstone

Posts: 4
Joined: 5/29/2008
Status: offline

Thanks PorscheDoc for your diagnosis. Do you Know which particular relay I must Check/replace?
I tried checking before but I imported the car from germany, drove it though the Autobahn (what an experience), and then home. Well anyways, everthing is in german and don't know the language? Can you help me with this?

(in reply to PorscheDoc)

Post #: 5

RE: Cabrio system malfunction - 5/29/2008 1:57:34 PM

Cornerstone

Posts: 4
Joined: 5/29/2008
Status: offline

Now there has been no responce from the system for two days. The windows go down in reaction to the closing feature but the cabrio itself dont react up or down. Thank God the top was up!

(in reply to Cornerstone)

Post #: 6

RE: Cabrio system malfunction - 5/30/2008 3:02:51 AM

Big Bob

Posts: 613
Joined: 9/7/2007
Status: offline

Suggest you get yourself therefore a Haynes Publishing Repair Manual for the 944. They are pretty good, "und es ist in Englisch geshrieben" ie written in English.
My advice was following general principles of fault finding, so we now need to get you enough information to work through that process. So the Haynes Book would be a good start.
Regards Big Bob

_____________________________

Porshe 996 Carrera 2, Smart Roadster Coupe (120bhp), SL500 Mercedes, Mercedes ML420 CDI (360hp 840NM torque)

(in reply to Cornerstone)

Post #: 7

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