Engine Varnish
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Joined: Oct 2009
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From: BOTSWANA, AFRICA
Adam - While I believe that you are correct to state that the original handbook for your car explicitly said that you should not use synthetic motor oils, it is apparent to the rest of us that this guidance has been superseded by more recent factory guidance. Please try again to download and review the handbook supplement that I referenced earlier in this thread. You will see for yourself that synthetics are now approved.
mmolaik - you have correctly stated that additives shouldn't be used, as per the current factory guidance. However, I believe that you have mis-stated the factory's position on synthetics; the current guidance does not state that only synthetics should be used, but only that they are an option.
mmolaik - you have correctly stated that additives shouldn't be used, as per the current factory guidance. However, I believe that you have mis-stated the factory's position on synthetics; the current guidance does not state that only synthetics should be used, but only that they are an option.
Please do research on these oils so that we are on the same level.
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Joined: Apr 2010
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From: about a 1/2 mile from the beach, NJ
I stated that all the oils recommended by Jagaur in the Owners handbook are synthetic oils. The oils are: 0W-30, 5W-30, 0W-40, 5W-40. These are synthetic oils. Theses are multigrade oils and they perform satisfactory in both cold and hot climates and they do not carbonise/degrade as fast as monograde oils (mineral oils). Using any other oil is a personal choice.
Please do research on these oils so that we are on the same level.
Please do research on these oils so that we are on the same level.
None of the Jaguar handbooks explicitly state that only synthetic motor oils should be used. They merely state that they are allowable options. We'll have to agree to disagree on this point.
But we agree that synthetic motor oils are better for our cars than petroleum-based motor oils.
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From: about a 1/2 mile from the beach, NJ
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From: Chicopee, Ma
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Joined: Jun 2010
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From: Chicopee, Ma
For the record
I stated that all the oils recommended by Jagaur in the Owners handbook are synthetic oils. The oils are: 0W-30, 5W-30, 0W-40, 5W-40. These are synthetic oils. Theses are multigrade oils and they perform satisfactory in both cold and hot climates and they do not carbonise/degrade as fast as monograde oils (mineral oils). Using any other oil is a personal choice.
Please do research on these oils so that we are on the same level.
Please do research on these oils so that we are on the same level.
.
Member
Joined: Nov 2010
Posts: 86
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From: Washington
The line between conventional and synthetic oils is getting more and more blurred. I have no problem running synthetic oils and have been running in in my 2001 S-Type - which btw. had a VVT code set when I bought it. I have been running synthetic oils in it ever since and it's been working great, and no more P1383/P1388 codes.
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Joined: Sep 2010
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From: New York
Just an update regarding English Varnish and changing my oil: I did put in 'CD2' and ran the engine for about 100 miles. Didn't notice any changes or problems. Anyways, changed the oil to royal purple synthetic and for the past 1,200 miles (busy month), I've also had no problems. Engine and drive-train runs great I have to say. Doesn't seem as sluggish but that also includes changing the TC, Diff and Trans fluids to synthetic as well and topping them off at the right levels. I should mention that if you don't top up the trans fluid, you most likely will have squeaking/grinding noises like I did hehe.
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Joined: Jun 2010
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From: Chicopee, Ma
Vvt
The line between conventional and synthetic oils is getting more and more blurred. I have no problem running synthetic oils and have been running in in my 2001 S-Type - which btw. had a VVT code set when I bought it. I have been running synthetic oils in it ever since and it's been working great, and no more P1383/P1388 codes.
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Joined: Nov 2010
Posts: 86
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From: Washington
Yes, it had the VVT error codes set. This stopped occuring a while after I had changed the oil to a high quality synthetic.
Several thousand miles later I had the PCM reflashed (mainly to improve transmission shifting - but this also takes care of the overly eager VVT error reporting) - but for those few thousand miles before the reflash but running synthetic oil, the codes no longer got set.
The engine in general is very clean - saw that the valvetrain was spotless when I changed the valve cover gaskets a while back.
Several thousand miles later I had the PCM reflashed (mainly to improve transmission shifting - but this also takes care of the overly eager VVT error reporting) - but for those few thousand miles before the reflash but running synthetic oil, the codes no longer got set.
The engine in general is very clean - saw that the valvetrain was spotless when I changed the valve cover gaskets a while back.
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