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Home » Public Forums » GMCnet » oil cooler adapter gasket (how much should it be torqued?)
Re: [GMCnet] oil cooler adapter gasket [message #260602 is a reply to message #260601] Sun, 31 August 2014 22:31 Go to previous messageGo to previous message
Ken Henderson is currently offline  Ken Henderson   United States
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma:
Senior Member
Sounds like the right idea to me!

I'll try to remember that -- I've probably just been lucky these past
100,000 miles. :-)

Ken H.


On Sun, Aug 31, 2014 at 11:28 PM, Rob Mueller
wrote:

> G'day,
>
> STOP using the gasket out of an oil filter between the oil filter adapter
> and the oil cooler adapter and get this kit from Dorman.
>
>
> http://www.gmcmhphotos.com/photos/455-403-engine-oil-flow-path/p53706-dorman-oil-filter-o-ri.html
>
> The O-Ring is silicone and is what really should be used in between those
> two components NOT an oil filter seal!
>
> An oil filter seal is designed to be torqued hand tight, when you torque
> the oil filter extension fitting to 55 ft. lbs. I squashes
> the oil filter seal WAY beyond it's designed crush and over time it cold
> flows (oozes out around the oil cooler adapter) and leaks.
>
> Using the Dorman silicone seal results in the oil filter adapter and oil
> cooler adapter into a metal to metal fit with the seal in
> the groove doing it's thing.
>
> I installed one of the Dorman O-rings last year and haven't seen a drop of
> oil leakage from the area since then.
>
> Regards,
> Rob M.
> The Pedantic Mechanic
> USAussie - Downunder
> USA '75 Avion - Double Trouble TZE365V100426
> AUS '75 Avion - The Blue Streak TZE365V100428
>
> -----Original Message-----
> From: RJW
>
> I noticed a oil leak during a previous trip. I thought it was loose
> rocker cover bolts. Tighten them up and though was all OK
> until I changed to engine oil today. When I looked at the filter I
> realized that the bulk of my leak was coming from the oil cooler
> adapter. I am aware of using the gasket from the just removed oil filter
> as a new gasket. Well I did that with no idea of the
> torque, but figured it was not very much since you don't torque an oil
> filter all that much and it is the same gasket.
>
> Well it leaked a drip a minute when I stated the engine. Then I figured
> I would tighten it some and now it leaks more.
>
> Does anyone know the proper procedure for using the gasket from a used
> filter? How much to torque it? I must admit after 16 years
> of oil changes I never paid much attention to the gasket between the oil
> filter base and the oil cooler adapter. It never seemed to
> leak before. After I changed my engine a few years ago it started to
> leak.
>
> These pages are the only ones I am aware of at the photo site.
>
>
> http://www.gmcmhphotos.com/photos/emergency-oil-cooler-line-repairs/p11679.html
>
> Richard
>
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach

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