Fuel Pump Assy (non-return) check valve location - Saab 9-5 Bulletin Board - Saabnet.com
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Fuel Pump Assy (non-return) check valve location
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Posted by Ro in Woodbridge [Email] (more from Ro in Woodbridge) on Wed, 17 Nov 2021 18:56:29 Share Post by Email
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Greetings,
2007 Saab 9-5 Aero with 170K on odometer. When temperatures started to dip, car has developed hard / lengthy start in the mornings only. It would take 2 or 3 lengthy turn of the key to get her going. Runs fine after start and starts normal throughout the day. It seems that 40 psi at the fuel rail bleeds off back to the tank and I have hard time locating the non return check valve. I've checked with WIS to no avail.
At the moment, I am replacing fuel sending unit. It failed a while back, indicating an empty tank with constant empty fuel light on that would be very annoying. I have lowered fuel tank, removed fuel pump from the tank and in the process of swapping the senders.
My question is, where is the non return check valve located? Is it located on top of the pump as per bellow... Is there anything I can do to clean it?
Anything else to replace while I am in here? As far as I know it still runs on original fuel pump.
All the plastic connections are swaged on to plastic fitting, I can't really take anything apart.
Please advise,
Thank you in advance,
Ro

posted by 23.233.83...

Fuel pump and evap assy

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