2004 Toyota Highlander Owners Manual - Page 399

'04 HIGHLANDER_U (L/O 0308) Fuel Fuel type: 2AZ−FE engine Unleaded gasoline, Octane Rating 87 (Research Octane Number 91) or higher 3MZ−FE engine Unleaded gasoline, Octane Rating 87 (Research Octane Number 91) or higher. For improved vehicle performance, the use of premium unleaded gasoline with an Octane Rating of 91 (Research Octane Number 96) or higher is recommended. Fuel tank capacity, L (gal., Imp. gal.): 72.5 (19.1, 16.0) Service specifications ENGINE Valve clearance (engine cold), mm (in.): 2AZ−FE engine Intake 0.19-0.29 (0.007-0.011) Exhaust 0.30-0.40 (0.012-0.016) 3MZ−FE engine Intake 0.15-0.25 (0.006-0.010) Exhaust 0.25-0.35 (0.010-0.014) Spark plug type: DENSO NGK SK20R11 IFR6A11 ENGINE LUBRICATION Oil capacity (drain and refill), L (qt., Imp. qt.): 2AZ−FE engine With filter Without filter 3MZ−FE engine With filter Without filter 3.8 (4.0, 3.3) 3.6 (3.8, 3.2) 4.7 (5.0, 4.1) 4.5 (4.8, 4.0) Spark plug gap, mm(in.): 1.1 (0.043) Drive belt tension measured with Borroughs drive belt tension gauge No.BT−33−73F (used belt), Ibf: 2AZ−FE engine Automatic adjustment 3MZ−FE engine 125"10 "Toyota Genuine Motor Oil" is filled in your Toyota vehicle. Use Toyota approved "Toyota Genuine Motor Oil" or equivalent to satisfy the following grade and viscosity. Oil grade: API grade SL "Energy −Conserving" or ILSAC multigrade engine oil 399 2004 HIGHLANDER from Aug. '03 Prod. (OM48478U)