interesting vacuum/ventilation system issue... advice? - Saab 900 Bulletin Board - Saabnet.com
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interesting vacuum/ventilation system issue... advice?
Posted by MichaelG [Email] (more from MichaelG) on Sat, 14 Jun 2003 15:00:02
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My '88 SPG is doing something interesting...
On the hvac setting where the air distribution selector is set to blow from just from the dash vents, thus the regular dash vent setting and the max dash vent setting, the system loses pressure when the turbo is boosting and therefore stops blowing and then it starts blowing again when the turbo is not working so hard.
This does not happen on air other air distribution settings, including the bi-level setting, which is set half dash and half floor...
We tried replacing the air distribution selector thing (the white piece) to see if that would fix it and unfortunately, it didn't help. Though, the prior one that was in the car was really hard to turn, so in one respect, replacing the part was a huge improvement.
Any thoughts?
Thanks,
M
posted by 68.84.15...
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