How does the sun roof work?

[P0WER]

Vaccumm right?
Just got the car back from getting ALOT of work done and now the sun roof isn't working.
They did a brake system flush, could that have anything to do with it?
Right now I can push it up and the console button does nothing.
Checked fuses, they are ok.

[natey]

Hey, a question I can answer...

No, the sunroof doesn't use vaccuum. If this is a late-model 944, there is a small electric motor mounted in the back hatch area (inside the car), behind the rear driver's side wheel well. This motor turns a cam, which in turn pushes or pulls on a (steel?) cable, which has a spring coiled around it. This cable sits inside a plastic sheath, which runs up the drivers side C-pillar and through the two lifter arm gear boxes on the roof. As the spring is pushed or pulled sideways through the gear boxes, it turns the gears, which move the lifter arms. Which is probably more than you really needed to know.

Anyway, it seems to me like having the brakes bled should have no impact on the sunroof. If they did anything in the rear hatch area under the carpet, they may have knocked an electrical connector loose or moved the cable+sheath, causing the cable to bind (?). But I'd guess the problem is electrical in nature, something not re-connected properly, etc.

[Granite 944]

Try here. Look under sunroof.

Clark's garage index

[Porsche944]

The answer is just a mouse click away: 944 Sunroof Operation