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PV, 120 (Amazon), 1800 General Forum for the Volvo PV, 120 and 1800 cars |
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P1800es Delores 1972 BlueViews : 4037 Replies : 56Users Viewing This Thread : |
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Jun 21st, 2022, 22:42 | #51 |
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Good evening, 'S.W.', I'm sorry to learn of Delores' incontinence.
I offer the following as a theory - nothing more - as I have no direct experience of the problem. A car that drips the odd drop of oil yes, but nothing like the problem that you are experiencing. I think we can assume that it is gear box - not engine - oil. When you return from a run of any distance, the oil will be warm, therefore thinner, and more prone to leak. When you select reverse gear, the counter rotation of the tail shaft is somehow picking up the oil and 'pumping' it out past the seal in a manner not dissimilar to an Archimedes' Screw. If the seal is slightly worn or scored, it may exacerbate this process. Under normal forward driving conditions, the rotation of the tail shaft contrives to keep the oil where it rightly should be - i.e. contained within the gearbox. As I say, just a theory. I may well be barking up completely the wrong tree! Regards, John.
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Jun 22nd, 2022, 00:01 | #52 | |
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Quote:
You reverse leaving a trail to the pint where you come to a stop - blob #2. It sounds as ifthere is a constant, relatively minor leak that is building up on a crossmember perhaps and as you stop, the momentun throws it off and onto the deck. When you return home, do you always stop in the same place before reversing? If so, firstly there will be a collection of blob #1s and more importantly, if you stop and get out at that point,, you will be able to relate it to a point on the underside of the car where there is likely a leak. Similar for blob #2 although i suspect it's in the same relative position, give or take a few inches (width of a crossmember) as blob #1 to the actual underside of the car.
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Jun 22nd, 2022, 01:50 | #53 |
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Check the speedo drive seal. Interestingly the speedo gear shaft does have an Archimedean screw on it.
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Jun 22nd, 2022, 17:53 | #54 | |
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Reversing oil leak
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Thank you yes, such a simple but useful suggestion to stop after engaging reverse and see if I can observe where it is coming from. SW |
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Jun 22nd, 2022, 17:54 | #55 |
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Jun 22nd, 2022, 18:01 | #56 | |
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Oil leak on reversing
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I have received some good advice from members , and appreciate everyone’s ideas and suggestions. SW |
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Jun 22nd, 2022, 18:07 | #57 |
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Oil leak on reversing
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