I am losing oil in between oil changes , is it normal ?
Sorry , I misread your original post, I read it as 2.5 quarts in 8,000 miles. 1.5, that's even better. 1.5 qtsUS in 8,000 miles is over 5,000 miles per litre. On a 200,000 mile 8 cylinder (32 valves ?) engine that seems very good to me. I'd say you are worrying about nothing.
HOWEVER what does worry me is that you don't seem to top-up the oil level between oil changes. Certainly you shouldn't be letting it go down by by 1.5 qrts; that'll take the oil level below the minimum mark on the dipstick. On an engine of that age I'd be checking it every 1,000.
HOWEVER what does worry me is that you don't seem to top-up the oil level between oil changes. Certainly you shouldn't be letting it go down by by 1.5 qrts; that'll take the oil level below the minimum mark on the dipstick. On an engine of that age I'd be checking it every 1,000.
Last edited by Partick the Cat; Jul 9, 2018 at 04:20 AM.
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Actually Jaguar document VSB07/2004 specifies the type of oil to be utilized. Original fill and recommended spec was WSS-M2C913-B which is a semi-synthetic 5W-30. Jaguar's current recommendation for all vehicle lines, including recommended for the 4.2L is Castrol Full Synthetic Professional w/FST technology. (liquid titanium additive) Virtually everything that is out there today on the market is Type-III made from base oil stock, even Pennzoil, which is re-condensed from natural gas. Even Mobil is Type-III and not those synthetics that bring with them issues like PAO Type-IV or Ester based Type-V stock, so concerns with seals is rather misguided.
full synthetic next time, I’ve been using 5 W 30 Castrol High millleage for about 3 years
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With a high-miles engine as yours is, the oil will be disappearing down the inlet valve guides. There is serious vacuum on the inlet side, plus a lot of oil sloshing around to keep the cams lubricated, so seals are placed on the inlet valve guides to stop oil loss. The seals have to allow a certain amount through to lubricate the guides but not too much. I had a similar problem with my Mazda Xedos 9, but never fixed the problem as I part-exed it for a Rover 75. The old Jaguar XK engines really drank oil until seals were put on the inlet guides. About a point of oil every 200-250 miles !!
So, replace the seals and the oil loss will diminish. Not a simple job, though, you have to lift the heads
So, replace the seals and the oil loss will diminish. Not a simple job, though, you have to lift the heads
my next project would be replacing the lower Control Arms bushings , there is a play when I go in reverse using my breaks, My mechanic is charging me
$500 in parts and labor that also includes alignment
I wish I can do it myself but I don’t have the right tools.
it sounds funny because I replaced the air shocks myself with Arnotts about a year ago and I’m having second thoughts about replacing the lower control arms bushings or upper , I don’t really remember what my mechanic told me but he said that there’s a play and my steering wheel shakes a little bit while driving under 50 miles if I go higher in speed it disappear
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