Can anyone help please? I have a 1998 900 convertible and the top has
started 'hesitating' when it is folding down. The tonneau is OK (Been there,
done that) but the actual hood sometimes hesitates about 1/2 way down just
for a fraction of a second. I get no alarms or displays and it always (so
far) carries on and stows OK. It is always OK on the way up.
Is this a precurser to a bigger problem as far as anyone knows? Or just 'one
of those things'
yes i have the same problem but now mine only lifts the rear window up and down and will not go any further motor seems to work but will not operate roof properly email email@example.com thanks steve saab 900 convertible 2.300 1995 model
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Fold rear seat forward
Remove plastic cover (6 plastic clips)
Remove bolts (8or9) holding motor cover
Lift front of cover up (motor should be upright at this point)
There is a line on the white plastic reservoir that indicates when full
Use care to rute the lines when refitting the motor assembly
There's a red lever behind the rear passenger seat, fold down the rear seats to the trunk and you'll see it. Pull the lever down, and this should disengage the convertible motor. You should now be able to move the top up or down with some resistance against the hydraulic fluid left in the lines.
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!!!!!!!!!!!!!
the rear of the top under the back window is drawn down into place and latched by its own motor that simply pulls or pushes two rods. If the motor stopped moving for whatever reason, simply fold down the back seat, reach your arm through the little access at the top of the boot on the drivers side and pop the rods out of place and latch/unlatch manually. this takes a flashlight and some inspection time to do at first if you dont know what your feeling for.
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.
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.