Bbbbbuuutttt.... You could get brand new ones for less than a dollar. You would stop the leak, PLUS you would not have to learn Ars Metallica. 

Jim

On Oct 2, 2012, at 8:10 PM, Alistair Bell <albell@SHAW.CA> wrote:

> i'd agree that you could anneal to regain softness of washer but disagree, Ed, in your annealing method for aluminum and copper. Both those metals anneal by quenching, not slow cool. 
> 
> alistair
> 
> 
> 
> 
> On 2012-10-02, at 2:46 PM, Ed wrote:
> 
>> The sealing washers are probably work hardened and are no longer soft enough
>> to make a good seal.  Replace them as they are ideally one use items.
>> That's why you get a new one for the oil plug when you buy an oil filter.
>> In an emergency you can remove the sealing washers and heat them with a
>> propane torch, allowing them to cool without quenching.  This will restore
>> the softness of both aluminum and copper sealing washers and allow them to
>> seal without excessive force.
>> 
>> Ed
>> 
>> 
>> On Tue, 2 Oct 2012 16:02:38 -0500, JRodgers <jrodgers113@GMAIL.COM> wrote:
>> 
>>> PS pump is leaking at the washer where the hollow bolt passes through
>>> the banjo fitting on the pressure side. I made sure the bolt IS NOT
>>> loose. So I need to do something. Any suggestions?
>>> 
>>> Thanks,
>>> 
>>> John