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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 #260649 is a reply to message #260602] Mon, 01 September 2014 16:42 Go to previous messageGo to previous message
k2gkk is currently offline  k2gkk   United States
Messages: 4452
Registered: November 2009
Karma:
Senior Member
I guess the Dorman seal is slightly thinner, thereby precluding the cracking noted by John Heslinga???

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~~ ~ D C "Mac" Macdonald ~ ~~
~ ~ Amateur Radio - K2GKK ~ ~
~ ~ USAF and FAA, Retired ~ ~
~ ~ ~ Oklahoma City, OK ~ ~ ~
~~ ~ ~ "The Money Pit" ~ ~ ~~
~ ~ ~ ~ TZE166V101966 ~ ~ ~ ~
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> From: hend4800@bellsouth.net
> Date: Sun, 31 Aug 2014 23:31:25 -0400
> To: gmclist@temp.gmcnet.org
> Subject: Re: [GMCnet] oil cooler adapter gasket
>
> 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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