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Old 04-30-2010, 05:43 AM   #2
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Join Date: Aug 2006
Location: NJ
Posts: 23,709
My Ride: '99 328i 300K miles
I'd had some leaking...maybe 2-3 drips/day visible on garage floor.

Then the burning smell and I did the vcg, but still had the drips.

So, a few weeks ago I did a long diy and got all the drips stopped finally...

by doing the things talked about here as the most common other dripping places...

Oil Filter Housing gasket
Vanos oil line (attaches to back side of ofh and then to vanos...on my 328 at least...get 4 new crush washers).


Oh, I'd had the PS hoses to reservoir clamped with real clamps...they drip often too...looks like oil on floor...and the PS hoses in mine also leaked from where they attached to that fitting next to radiator...and have to get the $2 gasket for PS cap ...look, the old one is really there, just under the cap...really is there...replace it.

I think that's about it on drips...some other minor possibilities like o-rings on sensors (I got them lying around...but didn't make it in that trip...not 'right there' so didn't bother).

Also, the SAP valve has a gasket behind it...and mine seems to be seeping a very little bit...but looks like it'd be a challenge to get my tools in there...haven't figured out what I need to make that as easy as it should be (hint...any thoughts anyone? Apologies for related threadjacking!)

Final thought (I think)...if you think your vcg is leaking still, and you smell burning oil...I'm pretty sure it's prolly leaking run finger all the way around it?

Some have had luck by tightening up bolts...others by removing again and using rtv where they or someone forgot to put it...although few don't use it...on original replaced at 180K or so, did have rtv in corners by vanos...I honestly don't know about the half moons...but I did and haven't had a leak...but given the flexibility of a working gasket and its height, I know that mine could've gone down more, but left it at close to torque...I ended up doing it by hand, coz my torque wrench was impossible to use for some...maybe someday I'll add that to my list...but I'm liking hand torquing much more ever since my buddy, Nathan C, here explained what a pound-foot of torque means...never honestly knew.

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