Re oil pressure gauges---Ever since we installed a 3 liter in my GTV-6, the
oil pressure gauge has behaved intermittently up and down--sometimes going up
with decreasing RPMs, sometimes the opposite direction. Usually (as one would
expect) reading high when dead cold [here that means around 70 degrees F.],
but once warm unpredictably being all over the place. I keep thinking (since
it seems to vary based on engine temp) that the oil pump's overpressure relief
spring is erratic. Possible?
* Cordially,
AlanLambert
________________________________
Le Vendredi 29 ao{t 2014 10h29, Eric J
Russell <[email protected]> a icrit :
>
>
>Sometimes they fail by
leaking internally. Being non-compressible, the oil
>on the 'wrong' side of
the internal diaphragm means it cannot respond to the
>engine's oil pressure.
>
>The fix is to drill a small hole on the end of the sensor so the diaphragm
>can again move. As long as the diaphragm has not totally failed (ruptured)
>it'll not leak - at least not any significant amount.
>
>Now, having said
that, the trick is knowing where to drill the small hole to
>avoid damaging
internal bits. And that tidbit of info eludes me at the
>moment...
>
>Eric
Russell
>Mebane, NC
>
>----- Original Message -----
>From: "alfa-digest"
>
>>
Subject: [alfa] Berlina Oil Pressure Sensor
>>
>> Has anyone ever cleaned out
the oil passage on the oil pressure sensing
>> unit?
>> What's involved.
Before I replace it, I'd like to see if I can bring it
>> back
>> to life.
>>
>>
>> -West Clark
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