Quote:
Originally Posted by Derek Mc
Scedule A on CRD'sis IRO 12,000 miles, Schedule B is high density city driving and 6,000 miles intervals. No difference in the oil quality a fully synth is used at all times. In a common rail High pressure Turbo diesel engine I'd personally never go a semi synth route.
Having seen the result of sludging in Saab engines using semi-synth, I just feel safer.
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Yes, but how can I be sure that my dealer uses the correct oil if I don't provide it myself? I think it all comes out of a bulk drum.
The invoice on my last service was cheaper than expected, but showed "Mobil Super S" which is actually a semi-synth, but I've a feeling that was down to the lassie at the service desk keying in the wrong thing - hopefully.
I think the interval for the CRD is actually 12,500 miles iirc. I've actually been taking the "halfway house" and getting mine serviced at about 10,000 miles. So it will be due again at 30,000.
