Re: SPICA microswitch oil leak

["Dean W. Cains" <dwc@domain.elided>]

Hi Ian:

There's a rubber seal that fits over the plunger that operates the 
microswitch.  Two minutes to fix, if the pump is off the car. . .

I've seen the seal fail two ways.  Either it just plain rips, or the raised 
edge gets squashed over time.  When I replaced mine last Spring, I put a 
small bead or silicone Permatex around the edge, which won't help with a 
ripped seal, but might help with the squashed edge failure.

Seals are just a few $ each, and I got mine from Don Ereminas.  You can 
remove the pump easier by unbolting it from the filter housing, rather than 
by unbolting the filter housing from the engine.  Use a 10mm socket with 
the outside ground thin.  Don't forget to adjust the switch while you're in 
there.  Clearance is 0.1mm or 0.040".

Regards,

Dean


At 05:01 PM 8/5/2002, you wrote:

> Date: Mon, 5 Aug 2002 12:42:47 -0700
> From: "Ian Lomax" <sfalfisto@domain.elided>
> Subject: SPICA microswitch oil leak
>
> Hey gang,
>
> The Spider is running again, and is finally "nearly" leak free.  Before I
> consider this project finished, I'd like to do my best to make it completely
> leak free.  I've already replaced the first head gasket after it didn't seal
> properly, and now the head is nice and tight.
>
> One leak I can see is from the bottom of the microswitch housing on the
> bottom of the SPICA pump.  Is there a gasket here that can be replaced, or
> is the oil coming from somewhere else and just collecting on the bottom of
> the microswitch?  It's not leaking from the SPICA filter, since I replaced
> that gasket during the rebuild.
>
> Any advice appreciated!
>
> Thanks,
> Ian Lomax
> 71 Spider
> San Francisco, CA
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