Porsche 944 Manual Sunroof Conversion


Porsche 944 sunroof fix

Originally posted at http://www.sidv.org/manualsunroof.htm

The automatic sunroof mechanism on the 944 series (924, 931, 944, 951 7 968) are infamous for their complexity, and fragility. To keep one in decent running order takes as much tuning as the original SU carbs on an XKE, The procedure for removing the roof is so complex that few people can figure it out on their own. When I purchased my 944, one latching bar was already broken, the other broke soon after. I had wanted to convert to manual as soon as I saw the mechanism, but was told it was not possible. The people that told me that were wrong. Not only is it possible, but it is relatively simple, and requires no modification to any parts.

First a picture of the 944 series latch mechanism.

Porsche 944 sunroof latch mechanism
Porsche 944 sunroof latch mechanism
Porsche 944 sunroof latch mechanism - alternate view
Porsche 944 sunroof latch mechanism – alternate view

As you can see the mechanism is a simple lever that just needs a place of the proper height to push upon. What you can’t see is that height is very flexible.

The mounting place is important. It has to mount the latch in a place that will allow the latch to push against something useful. My first thought I was going to have to fabricate something. I was soon to find out that was not the case. Following is a step by step procedure.

1. After acquiring a manual clasp attach it to sunroof.

Porsche 944 sunroof manual clasp
Porsche 944 sunroof manual clasp

2. Remove header panel.

3. Remove rail guide covers, and rails themselves.

Porsche 944 sunroof rails and guide covers
Porsche 944 sunroof rails and guide covers

4. Remove an ancillary equipment. Such as motor, armatures, anything but the rail guide.

5. Re-attach header panel.

As far as the install is concerned. Your done. The front clasps are used as normal. For the rear, simply turn the manual latches so that the latches (in the open state) are facing towards the doors. Insert sunroof on front panel as usual. Turn manual latches 90 degrees, there is plenty of room so that the pushing portion will seat inside of the old rail guides. Push latches down. Bada boom bada bing your done.

Porsche 944 completed manual sunroof conversion
Porsche 944 completed manual sunroof conversion

Removal is about ten times easier than the automatic version. Putting the sunroof in place is just about as easy, due to the fact that normally you would have to go to both sides of the car anyways.

You will loose the tilt up feature, personally I’ve never understood that feature. As a smoker it would be handy in the winter time, but cracking the window is just as easy.

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