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Title: Leaking oil from cylinder 3 Post by: Erlend / bug66 on June 25, 2012, 23:04:21 pm Hi everybody.
My retty beefy 1915 has a problem holding it's fluids. 1,2 and 4 s completely dry, but #3 is wet. It's dry above the middle of the cylinder against numer 4, so it's not the cooler. Cylinders on the left side is off, and I can't find any cracks. All casesavers look fine (can't really see the deep stud) Have any body had a leak between the block and the cylinders? Or is it a crack in the deep stud area? Title: Re: Leaking oil from cylinder 3 Post by: Bruce on June 26, 2012, 05:50:52 am It's possible sometimes that when you're drilling to insert the deep #3 stud, you poke a hole into the case. Even though you are plugging it with the stud, oil will still flow as if it's a big hole.
Title: Re: Leaking oil from cylinder 3 Post by: Erlend / bug66 on June 26, 2012, 08:21:00 am Factory german AS41 case.. With deep stud from the factory.
Title: Re: Leaking oil from cylinder 3 Post by: richie on June 26, 2012, 08:38:10 am Ist it possible that there is a small scratch in the case surface or the case saver is not in deep enough and the cylinder rests on it,or just the sealant you used is not 100%,is it dry behind the flywheel?
cheers richie Title: Re: Leaking oil from cylinder 3 Post by: Erlend / bug66 on June 26, 2012, 08:44:34 am I got the casesavers I changed deep enough, so the surface between cylinder and case is good.
Looks to be dry behind the FW yes. My guess is really thin oil (10W-40 synth) combined with a hot engine and missed a spot of sealant under the cylinder. Title: Re: Leaking oil from cylinder 3 Post by: whirligig on June 27, 2012, 12:30:44 pm had a porous case once in a bay,had to run it on floor with no tin to find leak,coming out of case on top from gallery to oil cooler .that ran down onto no3.
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