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911Meister
Posts: 1560
Registered: 2008-10-13 |
Today I discovered the dreaded spot of oil on the garage floor.
It's not a big leak. I guess there was less than a tea spoon (5ml) of oil on the floor. It's on the drivers side midway between wheel arch and car centre line. The thing with oil leaks is that the oil normally travels all over the place before it hits the floor, so the location of the oil on the floor is usally nothing to do with the location of the leak itself. The usual suspects are cam covers, oil sender and the oil switch. The cam covers are probably not the cause as I have the turbo covers and are less prone to warp - but Im not ruling thsat out. I'll do my investigations over the next few days and see what I can find.... |
Aficionado
Posts: 204
Registered: 2009-12-30 |
Your not alone pete, these old buses are not the most oil tight motors. Other common causes are the diff` seals where the drive shafts exit the transaxle and the tubes behind the barrels. I looked into these tubes and there is plenty of new upgrades to fit in situ, most are a sliding fit with a rubber o ring inside, like two tubes that one slides into the other to expand/contract. Apparently you destroy the original with mole grips, compress the new one and fit it, expanding it in when in place. saves a motor out barrel off job.
I have a slight weep that drops onto the right side heat exchanger that I have never been able to locate. Keep us updated bud. I am sure its nothing drastic, although knowing 911`s prob wont be easy to access. Craig |
911Meister
Posts: 1560
Registered: 2008-10-13 |
Found the culprit. After much searching, I discovered it was the oil pressure warning light switch located at the back of the engine in front of the rear suspension cross member. Ordered a new one from Porsche, Part Number 911 606 230 00. Cost of £18 plus VAT.
Should be a quick and easy job.... |
Moderator Aficionado
Posts: 319
Registered: 2010-01-09 |
I had exactly the same problem after my clutch was changed, it seems the original Porsche ones are crap.................
recommended to use an aftermarket one, seems to be the general consensus. Hu.
HAPPINESS IS KNOWING YOU'RE WELSH. |
911Meister
Posts: 1560
Registered: 2008-10-13 |
That's weird Hu. I have been told tat while the Porsche ones do break as a common fault, tat the aftermarket ones also fail, but more catastrophically.....
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Aficionado
Posts: 204
Registered: 2009-12-30 |
It might be a common problem Pete, but when you consider how old the original one is maybe its not so bad. How did it go swapping the thing over mate.
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911Meister
Posts: 1560
Registered: 2008-10-13 |
Changing it out was very easy. Took me ten minutes all in
But, it was easy for me as I have ITB's. For a standard car you might have to remove the airbox to get at it. I rebuilt my engine only a few thousand miles ago and the sender was brand new then. So its crap that it would go already. I spoke to a couple of Porsche mechanics and they say it's common for them to go and for the aftermarket ones go go even more often and in a more explosive fashion (spraying the engine bay in oil)..... |
Moderator Aficionado
Posts: 319
Registered: 2010-01-09 |
Quote: Pete at Jul 26, 2011 8:32:00 am Only the cheap ones.................. Hu.
HAPPINESS IS KNOWING YOU'RE WELSH. |
Last edited by: Pete on Jul 31, 2011 3:43:40 pm
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911Meister
Posts: 1560
Registered: 2008-10-13 |
That's interesting Hu. What aftermarket ones had you been thinking of. Ive seen some as cheap as £6..... I paid £18 plus VAT for an OEM one.
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911Meister
Posts: 1560
Registered: 2008-10-13 |
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