I lower the roof on my car and the tonneau cover wont latch shut...ever.
I also have a problem with the roof when closing it too. The latches below the rear window wont lock the roof down initially, after a couple of attempts at closing it again, it will lock into place. I am thinking that perhaps there maybe a problem with a cable not being tensioned properly, although i dont know for sure. Happy christmas too.
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Good Luck with that one. My neighbor hand built one of those cars from the ground up out of two wrecked ones, he is the real McGuyver. When he was done he put it on a flat bed and hauled it 120 miles to a dealer and paid them 200 bucks to sync that roof movement. If he can't do it, NASA can't do it either.
Put some thought into that scenario, you might be much closer to a dealer.
Take a look at www.saabservices.com website, and click on convertible top issues. There is a huge amount of stuff there, including diagnostics info at the bottom of the page. The tonneau motor is the most common problem, and they sell them. Another possible issue is a bad 5th bow potentiometer. Good luck!
I just went through HELL because my top would not go down! I did EVERY possible solution with NO AVAIL! So anyway, Im in the trunk and noticed a baggy sack hanging in the trunk.. So I figured it was for the roof.. Anyway the sack has 2 straps to hold it up for more room when the top is UP. So I said "I Wonder...." I released the straps and the bag hung again, and GUESS WHAT? Yea the roof works!!!!!!!!!!!!!
In the trunk there are 2 sensors that are located in the back side of the cover where the bar with the springs are they mus of popped open just put a piece of tape thats what i did and so far so good. One question how do you get the top down buy hand? Cant figure it out.
Your tonneau motor is probably bad, though reprogramming the limits may fix it. You will need the factory tool, unfortunately. There is a lot of information on this webpage. Be sure to read the information relating to updates on 1995 models.
The 94-98 Saab 900 cars have numerous top issues that are known. The
primary issue is the design of the convertible top Tonneau motor that
is located in the right rear quarter panel behind the light. The
problem with the original motors was that there was not enough strength
in the housing that held the motor to support the top movement because
the teeth on the gear drive would get chewed up when the motor moved
out of position. The failure of the Tonneau motor causes the top to
chatter about half way up or down because the teeth of the motor gears
would get chipped off. Replacement of the gears or replacement of the
motor is the only repair and the convertible top Control module must be
programmed after the repair by someone with a Saab Tech 2 computer tool
which is used to program the top potentiometer settings. If you catch this problem early enough it can be repaired by using the bracket reinforcement kit. Check
latches is also a common failure which displays on the Saab Information
Display (SID) Generally, this failure is due to problems with the
micro-switch located in the latches that secure the convertible top
when up. Another issue with the convertible tops has been the
control module that controls the top electronically. The major problem
with this is device is that it looses the ability to communicate with
the Saab tech 2 tools. This problem appears to have been solved in
the newest versions of the ECM. This TSB covers the known issues with NG 900 vert tops. There are numerous others for the 9-3 tops.