1999 9-3 convertible weird clutch issue - The Saab Link Forums

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Old 01-27-2014, 08:26 PM   #1
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1999 9-3 convertible weird clutch issue

Hello all,

I have been having a rather strange problem with the clutch on my 9-3. After driving the car for several miles the clutch will become spongy and will not disengage. I know there is air getting into the system because if I hook up my pressure bleeder, pressurize the system, and then actuate the clutch I can see air bubbles coming out. Afterwards, the clutch will work properly for some small amount of time and then the same issue arises.

Other interesting thing is: this really only happens when it is hot outside. When the weather is cold ~30 degrees or so the clutch will operate normally.

I was thinking maybe the rubber hose connecting the blake fluid reservoir to the slave is old and the expansion caused by warmer conditions is enough to cause this?

Any thoughts/help is greatly appreciate!

Thank you in advance.

By the way....car is a 1999 9-3 convertible. ~220k. Slave cylinder is fairly new as I installed a GS lightweight flywheel, upgraded clutch, and viggen pressure plate within 30-40K.
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Old 01-28-2014, 04:09 AM   #2
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If everything else is new, probably the master cylinder. The not dissengauge part sounds like when mine went.
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can be prone to failure due to increased localized stresses in the hole penetrations
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Old 01-28-2014, 05:26 PM   #3
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thanks tweek. Is there a way to check it before spending the $$$?

It doesn't look like too bad of a job.
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