Oil Filter Housing leak 09 GTS
07-18-2017, 05:50 AM
#46
Cruisin'
Join Date: May 2017
Location: Germany, Stuttgart
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I checked the car yesterday after 450 miles since the repair.
No oildrops so far at the screws, where they always appeared first, only a tiny amount of oil at the oilfliter housing.
But this was dark, brown oil, so i guess it's from the old, remaining oil that couldn't be cleaned off out of all the corners at the repair.
The car got fresh oil too, so if it would still leak now the oil should be golden, not dark brown. I check back after some more miles.
Alex
No oildrops so far at the screws, where they always appeared first, only a tiny amount of oil at the oilfliter housing.
But this was dark, brown oil, so i guess it's from the old, remaining oil that couldn't be cleaned off out of all the corners at the repair.
The car got fresh oil too, so if it would still leak now the oil should be golden, not dark brown. I check back after some more miles.
Alex
07-24-2017, 09:41 AM
#47
Cruisin'
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Meanwhile i checked the car again.
Dry at the oilfilter now.
But on the left side i detected a drop at the most forward placed screw again (under the servo pump). The other screws are still dry.
Since the retightening seems to work on the other screws, i got myself a pair of new screws now and try to change the wet one, since the aluminium screws loose tension by time, so maybe the retightening didn't work with this screw.
I got the factory torque settings now, but still don't know what the dealer did for retightening.
The M6 Alu screws need 7 Nm for the best fit (regarding the experts).
Alex
Dry at the oilfilter now.
But on the left side i detected a drop at the most forward placed screw again (under the servo pump). The other screws are still dry.
Since the retightening seems to work on the other screws, i got myself a pair of new screws now and try to change the wet one, since the aluminium screws loose tension by time, so maybe the retightening didn't work with this screw.
I got the factory torque settings now, but still don't know what the dealer did for retightening.
The M6 Alu screws need 7 Nm for the best fit (regarding the experts).
Alex
07-24-2017, 09:46 AM
#48
RL Community Team
Rennlist Member
Rennlist Member
It's possible the oil is migrating down the threads of the screw. The case halves screws on the 997 sometimes have this issue. The fix is to remove and replace them one at a time, adding oil resistant silicone or rtv to the threads when re-installing and re-torquing them.
06-26-2021, 03:21 PM
#49
1st Gear
Join Date: Jun 2021
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Oil pan cooler lek
I'm thinking I will just get the oil changed this time and keep an eye on it before the next oil change. I did 2 long road trips- 1,200 mi and 2,000 mi after the last oil change. I wonder if the long drives were part of the reason for the leak. Any other 957 GTS owners run into this issue?
Live with it!
06-28-2021, 08:43 PM
#50
Instructor
My GTS at 80K had had it repaired twice under warranty according to Carfax. Still leaking, but, hey, what's a little $6K repair on a car that's worth $15K? I didn't fix mine either, having no confidence that it would be effective and unwilling to spend that kind of money on a relatively old car.
