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#3247296 - 01/13/14 05:50 PM PU, And Now A Leak
BlueOvalFitter Online   happy


Registered: 02/28/03
Posts: 4591
Loc: Cajun Country, La.
2003 Silverado, 5.3 V8, 153K Miles
Awhile back my cousin and I bought 25 qts. of various weights of PU from WM @ $2.50 a qt. (I bought 6 @ 5W30). He has always used PYB and Puro Classic filters since he bought his truck with 19K miles on it.
Well, he is almost 2200 miles into his first ever synthetic OCI. And, it's with some of the PU 5W30. The engine is now leaking oil from the front crank seal/oil pan gasket and the rear main seal.
While he was under the truck surveying the damage, I never knew that he knew such vulgar language! hide
_________________________
2007 F150 XL, 4.2 V6, 4R75E Transmission
Castrol Magnatec 5W30, Purolator Pure 1 Oil Filter
"One Filter, One OCI!"

USA

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#3247313 - 01/13/14 06:07 PM Re: PU, And Now A Leak [Re: BlueOvalFitter]
GutsyGecko Offline


Registered: 08/16/12
Posts: 426
Loc: Youngstown, OH
I switched to amsoil 0w-20 for winter in my track car, and it's leaking TONS of oil it never did before. Same boat. No idea why. Just gonna ride t out and let it happen.

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#3247332 - 01/13/14 06:24 PM Re: PU, And Now A Leak [Re: BlueOvalFitter]
CATERHAM Offline


Registered: 11/18/05
Posts: 10138
Loc: Burlington, Ontario, Canada
PU of course didn't damage the seals but may have cleaned out some sludge that was stopping the oil leak.

Buy a can of some seal swell, I think Winns and Dunk are too brands. Add the recommended dosage and see if that helps.
_________________________
74 Lotus Europa, 5W-50
86 Porsche 928S, TGMO 0W-20 25% / M1 0W-40 75%
96 BMW 328i, Idemitsu/TGMO 0W-20 70% / M1 0W-40 30%
94 Caterham 7, FUCHS 0W-20

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#3247337 - 01/13/14 06:29 PM Re: PU, And Now A Leak [Re: CATERHAM]
BlueOvalFitter Online   happy


Registered: 02/28/03
Posts: 4591
Loc: Cajun Country, La.
Originally Posted By: CATERHAM
PU of course didn't damage the seals but may have cleaned out some sludge that was stopping the oil leak.

Buy a can of some seal swell, I think Winns and Dunk are too brands. Add the recommended dosage and see if that helps.

What about a HM oil, such as VML?
_________________________
2007 F150 XL, 4.2 V6, 4R75E Transmission
Castrol Magnatec 5W30, Purolator Pure 1 Oil Filter
"One Filter, One OCI!"

USA

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#3247344 - 01/13/14 06:36 PM Re: PU, And Now A Leak [Re: BlueOvalFitter]
aquariuscsm Offline


Registered: 12/30/06
Posts: 16499
Loc: South Texas,USA
Wonder if an oci of an ester oil like Redline would swell the seals and stop the leak?
_________________________
1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Pennzoil Platinum 10W30
2012 Honda Accord coupe EX-L 2.4,auto,San Marino Red
Pennzoil Platinum 0W20



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#3247388 - 01/13/14 07:10 PM Re: PU, And Now A Leak [Re: BlueOvalFitter]
hisilver Offline


Registered: 03/08/10
Posts: 530
Loc: NC
My 5.3 leaked a lot around bother valve covers when I used Mobil 1 EP. Went back to the usual PP or PU and all is fine. Funny how that happens.

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#3247392 - 01/13/14 07:14 PM Re: PU, And Now A Leak [Re: BlueOvalFitter]
CHARLIEBRONSON21 Offline


Registered: 08/28/13
Posts: 659
Loc: MEMPHIS, TN
Get some maxlife.
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'13 Fusion Hybrid: 5w20 PUP/FU
'15 Civic Si: 0W20 PPPP/FU
'16 Fusion Hybrid: FF
'14 Odyssey: 0w20 PUP/FU
'93 Civic: 5W30 M1/TG
'99 SVT Cobra: 5W30 M1/FU

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#3247399 - 01/13/14 07:18 PM Re: PU, And Now A Leak [Re: BlueOvalFitter]
Ramblejam Offline


Registered: 11/05/13
Posts: 3151
Loc: Kentucky
Originally Posted By: BlueOvalFitter
What about a HM oil, such as VML?


Per the owners manual, 10w-30 is acceptable above 0F.

With that in mind, and given your southern locale, Mobil 1 High Mileage 10w-30 would be an exceptional choice.

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#3247513 - 01/13/14 09:03 PM Re: PU, And Now A Leak [Re: BlueOvalFitter]
Donald Offline


Registered: 03/21/04
Posts: 19225
Loc: Upstate NY
I would keep with a quality synthetic. The leak should go away as the seals get conditioned.

What I have read is a "false seal" (of crud) can develop using dino oil and it does the sealing and prevents oil from conditioning the real seals properly. One switches to a quality synthetic and it cleans away the "false seal" but the real seal is dried out and takes some time to get conditioned again and stop the leak.

If you have a leak on the oil pan gasket, just change the gasket.
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2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)


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#3247520 - 01/13/14 09:05 PM Re: PU, And Now A Leak [Re: BlueOvalFitter]
demarpaint Offline


Registered: 07/03/05
Posts: 28141
Loc: NY
I'd try a HM oil and see what happens.
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#3247543 - 01/13/14 09:21 PM Re: PU, And Now A Leak [Re: demarpaint]
BlueOvalFitter Online   happy


Registered: 02/28/03
Posts: 4591
Loc: Cajun Country, La.
Originally Posted By: demarpaint
I'd try a HM oil and see what happens.

I talked to my cousin ealier and suggested a HM oil. Being he will ONLY put Pennzoil in his engines how does Pennzoil HM oil compare to other HM oils?
For some unknown reason he thinks switching to another name brand of oil is not a good practice. shrug
BTW, his brother will only use FRAM oil filters because Don Garlits and John Force uses them. ???
_________________________
2007 F150 XL, 4.2 V6, 4R75E Transmission
Castrol Magnatec 5W30, Purolator Pure 1 Oil Filter
"One Filter, One OCI!"

USA

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#3247596 - 01/13/14 10:00 PM Re: PU, And Now A Leak [Re: BlueOvalFitter]
Ben99GT Offline


Registered: 02/25/05
Posts: 4311
Loc: MS
CHEVROilLeaksEveryTime
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1991 Mustang LX notch
1999 Mustang GT


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#3247597 - 01/13/14 10:01 PM Re: PU, And Now A Leak [Re: BlueOvalFitter]
KD0AXS Offline


Registered: 11/13/12
Posts: 2306
Loc: Nowthen, MN
That PU is no good, you better box it all up and send it to me for proper disposal. laugh
_________________________
2014 Hyundai Elantra Coupe 2.0 GDI-PUP 0W-40
2013 Jeep Wrangler JKU-PUP 5W-20
2005 Ford F-350 4x4 5.4-Maxlife 5W-20
2000 John Deere 425-Rotella T6

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#3247600 - 01/13/14 10:07 PM Re: PU, And Now A Leak [Re: BlueOvalFitter]
KD0AXS Offline


Registered: 11/13/12
Posts: 2306
Loc: Nowthen, MN
Originally Posted By: BlueOvalFitter
Originally Posted By: demarpaint
I'd try a HM oil and see what happens.

I talked to my cousin ealier and suggested a HM oil. Being he will ONLY put Pennzoil in his engines how does Pennzoil HM oil compare to other HM oils?
For some unknown reason he thinks switching to another name brand of oil is not a good practice. shrug
BTW, his brother will only use FRAM oil filters because Don Garlits and John Force uses them. ???


Doesn't he know that all that wax in the PYB is sludging up his engine? Now that you got him to put synthetic in, he can't ever go back to conventional oil. laugh crush
_________________________
2014 Hyundai Elantra Coupe 2.0 GDI-PUP 0W-40
2013 Jeep Wrangler JKU-PUP 5W-20
2005 Ford F-350 4x4 5.4-Maxlife 5W-20
2000 John Deere 425-Rotella T6

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#3247732 - 01/14/14 04:06 AM Re: PU, And Now A Leak [Re: BlueOvalFitter]
virginoil Offline


Registered: 09/05/05
Posts: 1586
Loc: western australia
Some recent posts by others mention similar experiences and it is suggested to go back to the previous oil used for most of its life and see what transpires.

Some members have reported that the leaks ceased fairly quickly after switching back to the former oil.


Edited by virginoil (01/14/14 04:09 AM)
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