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Nov 19, 2019 | 04:56 PM

#21

kj07xk

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Joined: Jan 2015

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From: Naperville, Illinois USA

Quote:

Originally Posted by Cee Jay

Top one, current wife.
Bottom one, ex wife.

Well, I can see why you changed. The current wife is more efficient with the big jugs.

Nov 21, 2019 | 12:44 PM

#22

TraxtarXKR

Senior Member

Joined: Apr 2019

Posts: 391

Likes: 151

From: Dallas, TX

Quote:

Originally Posted by CleverName

As discussed back in 2018, it is not a flaw related to oil viscosity, but an engineering design that was corrected in late 2012.

For the information I just provided, I simply reviewed several Service Bulletins I had been given up to Feb 2018 where oil recommendations from Jaguar were discussed.
As I was given copies from a fellow forum member, it may not be complete or current.
Any newer Jaguar SB involving our engine oil would be appreciated if they exist.

Do we know what VIN aproximately would be considered late 2012?

Nov 21, 2019 | 12:46 PM

#23

TraxtarXKR

Senior Member

Joined: Apr 2019

Posts: 391

Likes: 151

From: Dallas, TX

Quote:

Originally Posted by George05

Vince read through some of the treads any one that has had chain wear etc all been using 0w20

Does this mean those with chain wear were using 0W-20 and directed to switch to 5W-20, or that those with chain wear were directed to switch from 5W-20 to 0W-20?

Nov 21, 2019 | 02:45 PM

#24

CleverName

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Joined: Dec 2011

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From: Pacific Northwest

Cambo provided 5 documents.
JLRP00019 - Engine Oil Requirements.pdf (53.9 KB, 22 views)
JLRP00043 - Engine Oil Specification.pdf (34.9 KB, 30 views)
JLRP00046 - Engine Oil Specification.pdf (141.0 KB, 26 views)
JLRP00099 - Engine Oil Specification.pdf (86.6 KB, 27 views)
JLRP00119 - Engine Oil Specification.pdf (147.4 KB, 64 views)

Taking these in sequence is how I came to the information I presented. I do not know if some documents are missing, or if any have been released after JLRP00119, so that is a point of uncertainty for us all.
What I do know is that I am sticking with 5w-20 on my XKR.

I do believe someone posted the VIN cutoff from old parts to new, but I'm sorry to say I don't recall.

Nov 24, 2019 | 11:26 AM

#25

pk4144

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From: Los Angeles

Quote:

Originally Posted by CleverName

JLRP00046 Jul 2015
STJLR.03.5004 [Previous - WSS-M2C925-A] (5w-20 ) 5.0l up to and including Model Year 2014
STJLR.51.5122 (0w-20) 5.0l manufactured on or after 2015 or cold climate

Jaguar notes: STJLR.51.5122 is also backward compatible for all older AJ133 engines up to and including Model Year 2014.

(Personal observation: Jaguar DOES NOT state STJLR.51.5122 "Replaces or Superceeds" STJLR.03.5004, and therefore STJLR.03.5004 is still valid for AJ133 up to and including Model Year 2014.)

Vince

So you're saying: 2014 - 2015 MUST use 0W-20 and older years CAN use 0W-20. OK.
I go with what my guys do, so 0W-20 is what I have in there, and it makes sense to me.

Nov 24, 2019 | 11:42 AM

#26

CleverName

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From: Pacific Northwest

Quote:

Originally Posted by pk4144

So you're saying: 2014 - 2015 MUST use 0W-20 and older years CAN use 0W-20. OK.
I go with what my guys do, so 0W-20 is what I have in there, and it makes sense to me.

No.
What I am saying is by all the documentation I have been given, 5W-20 is still the oil to use for anything Pre 2015 in the US.
0W-20 is used for engines manufactured "on or after 2015". There is also mention of recommending it for extreme cold climates.

I could find no "requirement" that we in the US market shift away from 5W-20, only that 0W-20 is considered backward compatible.

Vince