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Discussion summary
YOUR RESEARCH996 Cabriolet issues
Leading reported evidence
Replace side flaps are neither were in good order
Performed · outcome unconfirmed
No successful repair reported for this finding.
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0
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1
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Performed · outcome unconfirmed
I've ruled out a few things and have replaced both side flaps are neither were in good order.
Leading evidence: 'Replace side flaps are neither were in good order' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace side flaps are neither were in good order' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion · Original poster
C4s just been down and back to Le Mans roof has been fine, go to run into to town today and it appears the clamshell did not lift and go back so the roof is stuck over the shell and has stuck and will not move.
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Suggestion
I've set the pot2 on the clamshell to 6.15Kohms (As close as I can get to 6.2Kohms) and PIWIS reports voltages within the ranges needed.
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Suggestion · Original poster
C4s just been down and back to Le Mans roof has been fine, go to run into to town today and it appears the clamshell did not lift and go back so the roof is stuck over the shell and has stuck and will not move.
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5 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
911uk: 1 discussions
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Hi,
Long time reader first time issue.
C4s just been down and back to Le Mans roof has been fine, go to run into to town today and it appears the clamshell did not lift and go back so the roof is stuck over the shell and has stuck and will not move. Fuse is fine can hear the motors clicking but no movement. Currently in the garage with the roof part down.
Anyone else suffered issues with rag tops and any ide where to start looking?
Loads of info in my thread here...
Y
Thread '996 C2 cabrio roof issues'
21 Jun 2021
Hi all,
I'm in the middle of trying to sort out a cabrio roof issue on my 98 911. After the hard top was taken off from the winter, the roof didn't want to come up.
I had to do an emergency raise of the clamshell by turning the Allen screw in the potentiometer of the clamshell drive anticlockwise to raise the clamshell.
I've ruled out a few things and have replaced both side flaps are neither were in good order. I've set the pot2 on the clamshell to 6.15Kohms (As close as I can get to 6.2Kohms) and PIWIS reports voltages within the ranges needed.
The clamshell can be raised and lowered...
YPVS
Replies: 81
Forum:
Porsche 911 996 (1997-2005)
Essentially, you'll have to release the pressure from the roof hydraulics to raise it to then be able to manually move the clamshell.
Access to both screws are behind the rear seat panels.
I'm surprised the roof trapped the clamshell. It normally stops if it thinks the clamshell is not fully up. The potentiometer in the clamshell drive tells it what position 1 to 6 (or maybe 5) it's at, by measuring voltage through the POT an comparing to calibrated values in the roof ECU.
Thanks for that, got to the clamshell bolt and released that cannnot see the pressure relief valve anywhere pelican parts diagrams show the hole but nothing though that but empty space will go again the better light tomorrow good news is the main bolt did release issue being half my soft top is sitting on the clamshell with the glass sitting inside.. small steps and all that really appreciate your time
It's been a few years, but I mentioned it here. It's an allen screw through a hole, to the left of centre on the back seats. I think it actually site on the hydraulic fluid tank.
https://911uk.com/porsche/manually-closing-convertible-roof.120044/
