I always believe in thickest approved dino oil for the temperature range for these engines. These engines are not meant for extended drains like European engines. Change it every 3000 miles with a good filter to get rid of contaminants.
If you have concerns about engine sludge, then go Mobil-1 every 5000 miles but no more. Fenixus changed over to syn recently. I don't think he has any problems. 5000 miles is the maximum between oil changes Toyota has updated in 2004 for
all its cars, new or old, because of sludge concerns. Check toyota.com for schedule yourself.
You can use a good filter like the Purolator PureOne 10241 (I'd go larger 20195), Bosch 3422, Motorcraft FL400S, or get the oversized dealer filter for the V6 and truck I4. I wouldn't use the cheaper Premium Plus line for budget customers. I don't really care for Denso oil filters either. I think they stink, but YMMV.
Bosch bought Purolator, so their Champion Labs-made filters on the shelves should be phased out with Purolators. The FL400S is a Purolator. A very good deal.
Quote:
Originally Posted by ddagsyn
hi
I have been using 10W30 and 5W30 for the longest time. Is it advisable to change to full synthetic now? Will it cause any leaks.
thanks
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