The convertible top motor is underneath the upholstery in the rear trunk compartment underneath the package shelf.undo the upolstery clips and lower the cloth in the trunk exposing the motor and reservoir. make shure after motor replacement you refill the reservoir completely and cycle the top up and down a few times to purge the lines of air. otherwise you will have erratic top operation.
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Hey, did you ever find the answer to this question. I have the exact same car and think the relay might be broken. Fuses are all good and the motor works when a 12v battery is hooked up. If you can tell me where the relay is, please let me know!
It is not an inexpensive problem to repair. Its probably low on fluid wich means it has a leak in one of the top rams or it could also be the drive gear in the pump motor which can be repaired if one is crafty. look in trunk, forward rail 2 holes one for light 1 for fluid level. Con you hear motor running?
You are probably leaking hydraulic (ATF) fluid.
Check the lines and cylinders for leaks. Replace any leaking lines or cylinders. Always replace them in pairs.
When the leak is fixed...
Behind the rear seat is the motor/pump/reservoir.
With the top down, fill the reservoir with ATF.
Cycle the system a few times.
Repeat till the reservoir will accept no more fluid.
You can change it to a manual top by removing the bolt at the top of the cylinders and lowering the both shafts down into the cylinders.
There is a manual release behind the rear seat on the passenger side. Pulling it releases the tonneau motor plate away from the gears, allowing top to be raised and lowered manually.Once this release is used, the back bottom edge of the top will never seat against the tonneau again until the top is repaired.
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.