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Home » Public Forums » GMCnet » oil cooler adapter gasket (how much should it be torqued?)
Re: oil cooler adapter gasket [message #260785 is a reply to message #260591] Wed, 03 September 2014 01:39 Go to previous messageGo to previous message
John Heslinga   Canada
Messages: 632
Registered: February 2011
Location: Edmonton, Alberta, Canada
Karma:
Senior Member
If you are using an Oil Filter Gasket for the cooler adaptor to oil filter adaptor interface. Don't lose sleep over this issue, especially if it is not leaking at the moment. Many people have been using this solution successfully for some time and that is one of the reasons the suggestion has been persistent. If you are using this strategy, I suggest significantly decreasing the amount of torque used on the extension. Only enough to compress the Oil filter gasket about 10% to 25%. (The two surfaces not conacting each other) That rubber was designed to seal at a small compression. The joint wont leak and there is way less risk of doing damage. It did not leak for me when I used this strategy. Think of the valve cover gasket and what would happen if you tightened it with too much crush. It will leak.

(More and more modern engine sealing strategies use spacers in the gasket or sealing surface to only allow a designed amount of crush of the gasket and no more)

Using this strategy will, however: mean that the adaptor is not using the metal to metal contact to resist turning, and there is a risk that the adaptor extension will come off with the the oil filter when doing an Oil change. Especially if the Oil filter was over torqued when installed. The "Key' in the cooler adaptor and the cooling lines will help resit the rotation however.

If you are aware of these issues when doing an oil change yourself, they are not a problem, but it could be, if you let some un-caring oil change jockey do your servicing. This is the biggest reason I did not like the Oil Filter Gasket Solution.

(Not the most elegant and fool proof solution)



John and Cathie Heslinga 1974 Canyonlands 260 455, Manny tranny and 1 ton, 3:70 LS, Red Seal Journeyman, DTE, BEd. MEd. Edmonton, Alberta
 
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