05-28-2012, 01:21 PM
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#6 (permalink)
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Base Member
Join Date: Mar 2011
Location: VA
Posts: 16
Drives: 2010 370Z BC 7AT
Rep Power: 16
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Quote:
Originally Posted by VQ37VHR-K28
The Mocal thermostatic plate comes with a large rubber seal and this is the ultimate sealing that you can get comparing to a tiny oring style. However, over tighten or under tighten the center bolt can lead to slight oil seepage.
I have done at least 6 oil Mocal plates installations. What I did was to be sure that both the block and the rubber seal surfaces are clean. Also make sure that the rubber seal surface is not damaged in anyway. Then lubricate the rubber seal's surface with a thin film of oil.
Finally, position and manually hold the plate where you would like the oil cooler lines to be at, torque the center bolt down to 36 ft-lb. You should never have any issues.
Now if the plate leaks somewhere else, then that would be a different issue. However, by judging your photo, the leak seemed to have come from the rubber seal gasket.
Good luck
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Alright, so I took off the oil filter and mocal sandwich plate off again to wipe, lubricate, and make sure that the seal is not damaged and securely positioned. There is no wiggle room between the back of the mocal plate and the oil pan area. I had a friend hold the mocal plate in-place while i torqued the adapter bolt with a torque wrench. Z1 warned not to apply more than the ~25 ft/lbs of torque, but i did bump up the torque by a couple ft/lbs. Once i put the oil filter back on, i started the engine and it's still leaking from the same area...
I had a 2nd pair of eyes and hands on this - the leak is definitely not coming from the top or the bottom. What we believe is that there may be a small fracture/crack just immediately to the right of the mocal name engraving on the left side.
Gonna call Z1 tomorrow to have them send out a new mocal plate and hope to God that does it...
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