vacuum leak - Saab 900 Bulletin Board - Saabnet.com
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That's a classic vacuum leak symptom and they can be in funny places as the previous posters have said. Disconnecting and capping each vacuum nipple one at a time is a very effective technique. As soon as you hit the one that's connected to the leaky circuit the idle will drop right down where it should be and the spraying stuff on the manifold gasket joint is a good trick too. The last hidden vacuum leak I dealt with was down at the vapor cannister but identified by capping (with my finger) the manifold nipple that hose was attached to.
Posts in this Thread:
- Idle Headache, Keith85spg, Sat, 2 Feb 2013 15:58:18
- Results of possible fix!, Keith85spg, Sun, 3 Feb 2013 17:38:15
- Re: Idle Headache, SWEDECAR , Sun, 3 Feb 2013 08:30:23
- Re: Idle Headache, Chris D, Sun, 3 Feb 2013 00:51:15
- +1. nm, Simon S, Sun, 3 Feb 2013 00:56:56
- Twist the ides screw counter clockwise, vvack0matic , Sat, 2 Feb 2013 18:32:30
- Re: Idle Headache, aka oldsaab, Sat, 2 Feb 2013 17:04:56
- sounds like a vacuum leak, tweetiedancer, Sat, 2 Feb 2013 16:28:11
- Re: Idle Headache, Simon S, Sat, 2 Feb 2013 16:04:24
- vacuum leak, Cmyles , Sat, 2 Feb 2013 17:18:38 <-- Viewing This Message
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