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Join Date: Jun 2011
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Removing thermostat without draining oil?

Hi,

My 1969 911T is running quite hot recently and I suspect that the internal oil thermostat is stuck in the closed position.

Since I can access it just fine with the air box removed, I was wondering if it possible to remove it without draining the oil from the engine/tank?
My friend is a mechanic (who doesn稚 do Porsches...) thinks I would be fine.

I知 99% it is not possible because the thermostat is on a lower level than the oil tank and all the oil would spill out of the block as soon as it is removed, but maybe I知 wrong?

Old 08-20-2011, 07:36 AM
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Quote:
Originally Posted by peterp View Post
Hi,

My 1969 911T is running quite hot recently and I suspect that the internal oil thermostat is stuck in the closed position.

Since I can access it just fine with the air box removed, I was wondering if it possible to remove it without draining the oil from the engine/tank?
My friend is a mechanic (who doesn稚 do Porsches...) thinks I would be fine.

I知 99% it is not possible because the thermostat is on a lower level than the oil tank and all the oil would spill out of the block as soon as it is removed, but maybe I知 wrong?

On our '86, I replaced a leaky gasket without draining the oil.
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Old 08-20-2011, 07:51 AM
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Old 08-20-2011, 08:19 AM
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Quote:
Originally Posted by peterp View Post
I知 99% it is not possible because the thermostat is on a lower level than the oil tank and all the oil would spill out of the block as soon as it is removed, but maybe I知 wrong?
No. The oil tank to the engine is NOT a gravity feed.

Nothing will happen.

Old 08-20-2011, 03:01 PM
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