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Hello,
Being a turbo is one of the reasons for the vacuum pump when under boost there is pressure not vacuum. But this engine in particular has very little vacuum on cold start. If the vacuum pump doesn't come on this car is dangerous to stop if you start it up and immediate put it in gear. It is very possible that vacuum switch the previous owner used is from and older Saab since they were used on some earlier models with electric pumps in them. Most of the cars from 2000 up use mechanical vacuum pumps. Good Luck, Bernie
_______________________________________
George Riggin Specialty Automotive
Current Saabs
1993 900 Turbo Conv.
1993 900 Turbo Conv. Auto
2003 9-3 Conv
2004 9-5 Arc Sedan
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1986 900 Turbo Conv
A few parts cars also
Posts in this Thread:
- noise in engine compartment, key on, engine not running, Matt Grimes , Fri, 20 Jul 2018 15:41:02
- Re: noise in engine compartment, key on, engine not running, SWEDECAR , Fri, 20 Jul 2018 16:19:29
- Re: noise in engine compartment, key on, engine not running, Matt Grimes , Sun, 22 Jul 2018 12:27:52
- Re: noise in engine compartment, key on, engine not running, SWEDECAR , Tue, 24 Jul 2018 08:17:36
- umm, what is with the open electrical connection?, andym, Sun, 22 Jul 2018 17:55:21
- Re: noise in engine compartment, key on, engine not running, SWEDECAR , Sun, 22 Jul 2018 16:34:08
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