Re: {Chrysler 300} Oil Filter Gasket
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Re: {Chrysler 300} Oil Filter Gasket



that is a really good idea too ! 

Viton  O ring 
 not the junk in chinese assortments .
I chased that type of seal , for  where PB cable enters old torqueflight , McMaster Carr has large assortment of O rings as the mopar correct size is weird . I think one I picked was slightly tight due to thickness of the o ring  itself , but solved that aggravating issue . Sorry , do not have detail handy now. 
But that would fix it and add  height , A thick one especially , maybe even higher durometer to be sure to push hard enough on ring gasket and not take a set . 
john g 
Sent from my iPhone

On Jul 26, 2023, at 9:34 AM, Dyke Ridgley <ridgleyracing65@xxxxxxxxx> wrote:


On my 300C, the filter can does not have a flat surface under the bolt flange. It is "dished". I chose a nice fit O-ring for the seal and it works perfectly by nesting in the "dish".

Dyke Ridgley
Ridgley Racing
5500 Walmsley Rd
Decatur, IL 62521
 
217-865-2300 p
217-865-2309 f
 
 


On Wed, Jul 26, 2023 at 8:28 AM John Grady <jkg@xxxxxxxxxxxxxxxxx> wrote:
Hi the stock  setup is ok once calmed down , oil spill mess is the issue . They changed millions of those in the day .
But I think you are correct ,the following  comment is only from memory , I think there is supposed to be (?) a copper washer between the bolt head and filter can .
I have found those copper washers  in general on ebay or amazon , .. find ID of washer to pick by measuring stem .
It seals on the two faces , so even slightly loose on bolt will work  ( often washers today are offshore metric) . Or maybe someone like Andy Bernbaum has the mopar one . 
Related and tricky , again from memory  , incompetents often overtightened them ( there is a spec , use it ) resulting in either bottoming out of thread or denting in the top of the can , making it shorter , then it leaks forever . Cure might be a machine shop or press to push pout again but top  has to be level after,  to seal 360 .

An alternative might be two stock washers stacked , possibly with RTV or weatherstrip cement holding them together , that would give you ?.030 more sealing “ crush”, even with a  dented in can  . And use correct torque
The ws cement can help hold the block side gasket in place too . I found out it is good  for like 400F once cured —and
 3M recommends it as a gasket sealer  . I love the stuff , a few dots get tacky  hold things like oil pan gaskets , while you work . Comes off flat surfaces pretty easy unlike permatex type products , and sometimes RTV success imho  is flaky at best .
good luck
john g
Sent from my iPhone

> On Jul 26, 2023, at 8:24 AM, Zach Hietsch <zhietsch@xxxxxxxxx> wrote:
>
> Help John and Bob,
>
> I recently replaced the oil filter on my B and it is leaking from the top where the nut is. The service manual doesn’t show a gasket there. Should there be some sort of gasket other than the one that connects to the block.
>
> Also is there an easier way to get the filter on and know that the bottom gasket is lined up correctly other than struggling through the engine bay?
>
> I have a spin on filter adapter but I can’t loosen the bolts with the space available around the connector. I’ve been trying to avoid using impacts and power tools because I don’t want to break anything. Should I tempt fate or would removing the wheel well be the best path forward.
>
> Any insight would be greatly appreciated. 
>
> Thanks
> Zach Hietsch
>
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