Stang70Fastback Posted October 4, 2009 Share Posted October 4, 2009 I've got a 98 Outback that sprung a leak from one of the injectors. I replaced the large upper o-ring with a new one, and put it back in and it still leaked. Pulled it out to find that it had gotten pinched on one part and a piece had been sliced off. So I put another one in, this time spreading gas on it with my finger. Today I pulled over on the road to find that my engine block was COVERED with boiling fuel (after two days of non-issue.) Pulled the injector and found that a tiny sliver (1/4") had again been pinched and sliced. What am I doing wrong?!?! Any hints as to how to do this correctly? I've never done it before, but it can't be that freaking hard to do - it's not a complicated procedure. Thanks! Link to comment Share on other sites More sharing options...
sleepermaxima Posted November 24, 2009 Share Posted November 24, 2009 I know this is old but I am responding in case someone else runs into this and needs to know. You need to lube the o-rings with motor oil or another clean, fuel-safe lubricant before you install the injectors or fuel rail. Gas is not a good lubricant. The o-rings are getting pinched and cut because they are getting rolled out of their designated seating area during installation. This is causing the o-ring to fail. I too learned this lesson the hard way. Link to comment Share on other sites More sharing options...
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