2000 S70 - Accidentally put in full synthetic oil
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E Showell
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Re: 2000 S70 - Accidentally put in full synthetic oil
Sit back and enjoy improved fuel economy.
'98 V70 NA FWD 5 spd, silver sand metallic (sold)
'99 V70 NA FWD Auto, dark blue (sold)
'99 S70 NA FWD Auto, black (sold and resurrected -- Don't cry for me Argentina . . . )
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'99 V70 NA FWD Auto, dark blue (sold)
'99 S70 NA FWD Auto, black (sold and resurrected -- Don't cry for me Argentina . . . )
'07 S80 3.2 FWD Auto, Barents Blue Metallic
'06 V70 R AWD Auto, Sonic Blue Metallic (sold)
'04 XC70 Ruby Red Metallic (sold)
'95 855 auto (sold)
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'05 V70 T5 M (totalled)
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'02 Honda Insight CVT
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dosbricks
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I purchased my wagon when it was two years old and switched it to full synthetic. It took about two years for the synthetic to clean up some brown deposits inside the engine, so it doesn't happen overnight. The S70 has always been on synthetic since initial break-in.
Last edited by dosbricks on 23 Jun 2015, 16:21, edited 1 time in total.
'98 S70, 230k, purchased new in '98
'96 855 GLT, 163k, purchased lightly used in '99
Onceuponatime RIP '69 Shelby GT500 w/7.0 liter
'96 855 GLT, 163k, purchased lightly used in '99
Onceuponatime RIP '69 Shelby GT500 w/7.0 liter
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JRL
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You should have been running synthetic anyway but now at your miles check for any leaks in a few hundred miles.
If it has no leaks, continue to run it.
If it has no leaks, continue to run it.
Mod note. Jim passed away in early 2022, his contributions to this forum are immortal, and he is missed. RIP
2000 V70R Black, 144,000 miles Wife's R.
2007 V70 2.5T White/Oak 111,000 MILES. Polestar tune, IPD bars, rear spoiler, dark grey Thors, DWS 06, HU850, sub.
2000 V70R Black, 144,000 miles Wife's R.
2007 V70 2.5T White/Oak 111,000 MILES. Polestar tune, IPD bars, rear spoiler, dark grey Thors, DWS 06, HU850, sub.
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precopster
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I'm going to stick my neck out (again)
The theory that sludge can form a leak barrier which is more effective than a seal itself is just poppycock and I don't buy it. Fresh oil is still touching seals where an engine has sludge because that part is spinning/moving and opening galleyways for the oil to flow there.
Unless the seal is fully encapsulated in sludge I really do not see how a leak can be prevented. If that were the case parts would be grinding down into little metal pieces......though I have heard of sludge causing this in extreme cases.
If the car starts leaking after a change to synthetic it would have started leaking in any case. When a car has 140K miles plus things just go wrong.........
I'd better get my umbrella out now because I think its going to start raining insults
The theory that sludge can form a leak barrier which is more effective than a seal itself is just poppycock and I don't buy it. Fresh oil is still touching seals where an engine has sludge because that part is spinning/moving and opening galleyways for the oil to flow there.
Unless the seal is fully encapsulated in sludge I really do not see how a leak can be prevented. If that were the case parts would be grinding down into little metal pieces......though I have heard of sludge causing this in extreme cases.
If the car starts leaking after a change to synthetic it would have started leaking in any case. When a car has 140K miles plus things just go wrong.........
I'd better get my umbrella out now because I think its going to start raining insults
Current cars VW Transporter 2.5TDI, 2010 XC90 D5 R Design
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Sommerfeldt
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Mike makes a lot of good points. Also, he used "poppycock" in a sentence, and is therefore the winner anyway. 
+1 to what Mike said.
- S
+1 to what Mike said.
- S
2018 S90 T8 Inscription - glossy black with amber interior and dark as night rear windows.
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[Gone] '96 855 T5 - R bumper and spoiler, Koni Yellows & blue H&R springs all 'round.
[Sold] '97 S70 T5
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abscate
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It is indeed an internet rule that the first to use ' poppycock' closes the thread.
Oil change threads on uncivilized boards are as bad as politics and religion.
I moved my fleet of 5 cars from Dino to full synthetic over the last couple years. No leaks, itches, or scratches.
Oil change threads on uncivilized boards are as bad as politics and religion.
I moved my fleet of 5 cars from Dino to full synthetic over the last couple years. No leaks, itches, or scratches.
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
Link to Maintenance record thread
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
Link to Maintenance record thread
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polskamafia mjl
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You accidentally did your car a favor. Stay with the full synthetic.
'All my money is gone and I have an old Volvo.' - Bamse's Turbo Underpants
Current: 1995 Volvo 850 T-5R Manual - Bringing it back from the brink of death
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