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Home » Public Forums » GMCnet » oil cooler adapter gasket (how much should it be torqued?)
Re: oil cooler adapter gasket [message #260605 is a reply to message #260591] Mon, 01 September 2014 00:08 Go to previous messageGo to previous message
John Heslinga   Canada
Messages: 632
Registered: February 2011
Location: Edmonton, Alberta, Canada
Karma:
Senior Member
Re
Quote:
I Googled Dorman P/N 917-036 and all the sources, for example Amazon, claim that that "This does not fit your: 1976 Oldsmobile Toronado". Or that they are a "Kit Set of 3 for Nissan Infiniti" at AutoZone etc.


That is correct. The O ring that Rob identified is not for an Oldsmobile. In fact it is a little bit on the small side. (Total Diameter)

HOWEVER: It works very well on the Oldsmobile adaptor. You will need to stretch it a tiny bit to get it into the groove of the Cooler Adapor. I used it too!!!

By torqueing the adaptor to the required torque the metal to metal fit of the two parts will keep them from spinnig on each other, and the pressure is spread over the entire flange of the filter adaptor. The crush of the O ring will seal the fitting properly.

As was suggested I, too used an oil filter O-ring (new one) and when I torqued to the required torque, The pressure from the harder o-ring cracked the Filter Adaptor flange because the pressure was too localized or too uneven on the outer part of flange. (There is too much rubber there).

Best Regards


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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