Re: Fuel Pump Woes. Again. - Saab 900 Bulletin Board - Saabnet.com
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Re: Fuel Pump Woes. Again.
Posted by Slaaber (more from Slaaber) on Sat, 19 Nov 2005 12:34:14
In Reply to: Fuel Pump Woes. Again., hondaman, Sat, 19 Nov 2005 11:20:06
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on your 85 16 valve Turbo, there are two pumps, a prepump and a main pump. the prepump fills the canister in which the main pump sits. if the prepump is bad, then the canister does not fill, then the main pump spins too fast, gets too hot, dies. but the prepump doesn't work alone. the fuel line that goes into the canister is the return line. it puts fuel not used at the fuel rail back into the canister. so the prepump and the return line keep the canister full.
if you don't have a bentley repair manual, get one.
don't blame saab for the two-pump set up: it is a bosch design, not saab (lots of euro cars had the same system).
posted by 131.175.189...
Posts in this Thread:
- Fuel Pump Woes. Again., hondaman, Sat, 19 Nov 2005 11:20:06
- The Fuel Pump is Bad Again., hondaman, Mon, 21 Nov 2005 17:07:39
- . Again., Fred, Sun, 20 Nov 2005 09:51:26
- Re: Fuel Pump Woes. Again., RS , Sat, 19 Nov 2005 13:12:40
- Re: Fuel Pump Woes. Again., Slaaber, Sat, 19 Nov 2005 12:34:14 <-- Viewing This Message
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