May have fixed a presistant oil leak - Saab 9-5 Bulletin Board - Saabnet.com
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May have fixed a presistant oil leak
Posted by Stephen Goldberger [Email] (more from Stephen Goldberger) on Tue, 5 Aug 2008 16:36:38
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It was diagnosed as coming from the vacuum pump (a/t), so I bit the bullet, ordered the two O-rings from site sponsor eEuroparts, and installed them. Oh what a PITA. As usual, you have to take something else off to get to anything in a 9-5, and in this case it was the pipe to the throttle housing. On the bright side, the throttle body was remarkably clean after 63K. You can't put a socket on any of the bolts that hold the pump on, and there's two different sizes. Then, when you want to get it all back together, the only way to get the pump back into its place is to use the bolts to pull the pump back in, on account of the O-ring being way tight.
Now if you ever decide that your oil leak is from the vacuum pump, try this first, it might save you a whole lot of trouble. My leak may or may not have been coming from the *outer* seal for the banjo bolt (the one on the bottom). That seal seems to be the same as the small seal for the fuel pump, and you don't need to remove anything first to replace it. One would never know that this is anything other than a plain washer from looking at eEuro's site, the WIS, or the EPC. But sure enough, when I looked closely, I saw that the rubber part was both hardened, and it "stuck out" from the plane of the washer on only one side. Doesn't help at all to seal just one side of the bolt.
posted by 24.166.95...
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