2007 XK - Oil specifications - oil does not exist?
#1
2007 XK - Oil specifications - oil does not exist?
In owners manual, engine oil is specified as API SM and ILSAC GF-4, and further suggests using 0W-30, 5W-30, 0W-40 and 5W-40. The upper number for the viscosity grade = 40 is when ambient temperatures are over 95 degrees F.
The problem is that I have not found any 40 weight oils that have the API SM and the ILSAC GF-4 quality rating.
Living in southern Texas, this is a significant issue, as temperatures are frequently above 95 deg F.
What are others doing - suggesting for this situation?
The problem is that I have not found any 40 weight oils that have the API SM and the ILSAC GF-4 quality rating.
Living in southern Texas, this is a significant issue, as temperatures are frequently above 95 deg F.
What are others doing - suggesting for this situation?
#2
I like you, live in the great country of Texas...North part, but still smokin hot in summer...I have used Castrol Syntec 10w40 since it has been available in all manner of Jaguars. I usually change my synthetic oil every 5k (regular oil 3k) and have never had wear or failure issues. I refuse to run the zero weight as where we are I can see no value and can imagine alot of harm...In fact I have even starting running Mobil One20w50 in my XKR cause I can get 20w50 (cant in Castrol) and I just feel better about that in our 100 degree F days....
I really cant imagine any problems with any of the main line synthetics that are available these days...
I really cant imagine any problems with any of the main line synthetics that are available these days...
#3
just my 2 cents but i dont like using 20w50 because newer built motors have such small oil passages and at first start up (especially around the cams and crank bearings) i believe it takes longer for the oil to travel to those components. also alot of people let there vehicle sit for a week or more and thats just more time for the oil to drain back into the oil pan and away from the components it designed to protect. just a different idea if yall have never thought about it before. have a good day.
#4
Probably a valid point but I really wonder if in fact the oil passages are really that prone to restrict flow (especially considering my circumstance of a temperature low in the 30's F...and then I am not driving car anyway....more likely highs of 100+F)....I have in fact heard that if the finish is not correct (properly honed) on the parts with zero weight oil you will not get any adhesion of oils at all (ugh!)...that's my nightmare...but maybe we have some oil "experts" around that don't operate on just hearsay as I am...anybody?
#6
Jaguar recommends Castrol 5W-30. will not hurt the engine. R models have two external oil coolers for the engine so you will be fine. if anything i'll go to 10w-30. engines and oils are alot better today them couple years ago. i remember older 4.0L needed thicker oil cause of VVT's throwing codes but thats the only reason i found running thicker oil. I live in AZ for 3 years and alwaus ran 10w30 in my cars. even my 480hp 4 clyinder rally car. even in the Jag's we ran 5w-30 no problems.
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davies (03-02-2011)
#7
Copied straight from the owners manual:
Engine oil temperature ranges
For climates ranging from -35°C (– 31°F)
to + 50°C (+ 122°F), the following oil
viscosities may be used:
0W–30 will protect from -35°C (– 31°F) to
+ 35°C (+ 95°F).
5W–30 (preferred) will protect from -30°C
(–22°F) to +35°C (+95°F).
0W–40 will protect from – 35°C (– 31°F) to
+ 50°C (+ 122°F).
5W–40 will protect from –30°C (–22°F) to
+50°C (+122°F).
Engine oil temperature ranges
For climates ranging from -35°C (– 31°F)
to + 50°C (+ 122°F), the following oil
viscosities may be used:
0W–30 will protect from -35°C (– 31°F) to
+ 35°C (+ 95°F).
5W–30 (preferred) will protect from -30°C
(–22°F) to +35°C (+95°F).
0W–40 will protect from – 35°C (– 31°F) to
+ 50°C (+ 122°F).
5W–40 will protect from –30°C (–22°F) to
+50°C (+122°F).
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#9
I'm totally not getting it. 2009 XK, recently purchased, wife brought in to the dealer for first oil change. They only charged 3.95 per quart so I'm assuming it was conventional oil. What does Jaguar recommend ? My user manual didn't say. Yet they recommend a 10K oil change. What am I missing ??
#10
I'm totally not getting it. 2009 XK, recently purchased, wife brought in to the dealer for first oil change. They only charged 3.95 per quart so I'm assuming it was conventional oil. What does Jaguar recommend ? My user manual didn't say. Yet they recommend a 10K oil change. What am I missing ??
cpf,
I see you recently joined the forum! Welcome, a wealth of information is available here. Hopefully, you and your wife will get much enjoyment from your new XK.
From the online Owner's Handbook (USA, 2009):
Engine oil specificationJaguar recommends:
Use a 5W-30 engine oil, meeting Jaguar specification WSS M2C913-B is preferred. Where this is not possible, oil meeting ACEA A1/B1 or ACEA A3/B3 specification may be used."
There have been many discussions on this forum about motor oil. Click here: https://www.jaguarforums.com/forum/x...tor-oil-61972/
In my opinion, 10K miles between oil changes is too long; I change mine every 5K miles. Since many forum members don't drive their cars every day, I thought that repeating my previous comment now would be helpful. Here's an excerpt:
Stop/go short trips are engine killers, since the water in the crankcase never gets hot enough to evaporate. Note that H2O is a natural by-product of internal combustion; you can see it dripping from your tailpipe sometimes, and as a cloud of water vapor when it's cold outside. If you rarely drive your car, you should change your oil (syn or dino) at least once a year or preferably sooner, since water in the crankcase can become corrosive. Oil is cheaper than engines. Just my $0.02.
Stuart
#11
Jaguar specifies oil change every 15K miles for 2010+ XK/R's. This is using the Castrol oil that Jag has for these cars.
My service advisor says 15K or every year, whichever comes first. If you change the oil according to Jag's specs then you will be considered to have maintained the car according to manufacturer specs.
My service advisor says 15K or every year, whichever comes first. If you change the oil according to Jag's specs then you will be considered to have maintained the car according to manufacturer specs.
#12
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