That vehicle calls for 5qts of a 5W30 or a 10W30 weight oil. Depending on the mileage or if it's burning significant oil in between changes (over 2 1/2 quarts) every 3000 miles. I'd run 10w30. If the consumption is not that high use the 5W30.
RepairPal Certified shops can diagnose and repair your 1998 Toyota Sienna. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
