Hi Steve!
...and Happy New Year. I missed having you around.
The hollow bolt below the bypass pipe should definately have a spring and
cup inside the opening. The cup can re retrieved with your little finger
(if it's small enough) or a magnet. I can't believe you've been running
with nothing in there all this time. That is the spring that maintains your
oil pressure. Only thing I can think as that the passageway was blocked or
you somehow lucked out having normal oil pressure(??). I've never
encountered this situation before.
The ball in the filter head is to allow oil to bypass the filter should the
filter not pass enough oil to the flow system.
Welcome back!
Gerard
At 7:07 PM -0500 12/29/01, Steve Byers wrote:
>Hi, Frank -
>Good to see you are still around. Thanks for the quick reply.
>
>I had my workshop manual along, and saw the drawing of the relief spring and
>cup. That was my first thought, that the relief valve had become plugged
>somehow. But, when I removed the 1" hollow bolt on the side of the block,
>there was nothing underneath it but a copper washer--- no spring and no cup.
>I even probed inside the hole with a screwdriver to make sure. But, it has
>been like that for at least the last 15 years and 40,000 miles with no
>problem. I motored the engine with the starter while the 1" bolt and the
>filter head were off the car. All I got out of the holes was used motor
>oil.
>
>Isn't the relief valve built into the oil filter head on the 1275? There is
>a spring-loaded ball in the filter head that is inside the area sealed by
>the oil filter seal. I can push it down easy enough, and I found a service
>station with compressed air and nozzle, and I blew air through it. It seems
>O.K. The ball is bright and shiny, and it isn't stuck.
>
>??
>
>Steve
>
>
>
>----- Original Message -----
>From: "Frank Clarici" <spritenut@exit109.com>
>To: "Steve Byers" <byers@cconnect.net>
>Cc: <spridgets@autox.team.net>
>Sent: Saturday, December 29, 2001 6:40 PM
>Subject: Re: Help!
>
>
>> Steve Byers wrote:
>>
>>
>> > Do I have an oil pump that puts out MORE pressure when it fails?
>>
>> Steve
>>
>> My best guess would be to check and clean the oil pressure relief valve.
>> It sounds like it's sticking and building up too much pressure before it
>releases.
>>
>> Take a 15/16 or 1" wrench, remove the bolt on the right side of the block
>next to
>> the oil pipe line. Inside there is a spring and a bullet shaped cup, check
>the cup
>> for score marks or grit.
>> Your recent oil change may have loosened up something that is now stuck in
>the
>> relief valve.
>>
>> The other possibility is your timing is too far advanced, when pulling a
>slight
>> grade, the engine spits out oil. Well at least that's what happened to me
>on an
>> interstate last Spring. oil, smoke, lack of power and coolant out of the
>head, all
>> because the timing was a bit too advanced. Mine did not effect my oil
>pressure
>> though.
>>
>> Also, are you sure you have the correct oil filter? Many will fit but the
>wrong
>> one will make for weird oil pressure.
>>
>> --
>>
>> Frank Clarici
>> Toms River, NJ
>> Happy New Year
>> http://www.exit109.com/~spritenut
>
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