2008 Toyota Highlander Warranty, Maitenance, Services Guide - Page 25

2008 Highlander Scheduled Maintenance Guide EXPLANATION OF MAINTENANCE ITEMS ENGINE COOLANT Drain and flush the cooling system and refill with an ethylene-glycol type coolant. Inspect hoses and connections for corrosion and leaks. Tighten connections and replace parts when necessary. A qualified technician should perform these operations. (For further details, refer to ЉRadiator, Condenser and HosesЉ in the ЉVehicle Maintenance and CareЉ section of the Owner's Manual). NOTE: Your Toyota is equipped with Genuine Toyota Super Long-Life Coolant. The replacement intervals for engine coolant recommended in this booklet are based on replacement with Genuine Toyota Super Long-Life Coolant or similar high-quality non-silicate, non-amine, non-borate ethylene-glycol coolant with long-life hybrid organic acid technology (i.e., a combination of low phosphates and organic acids). If another type of ethylene-glycol coolant is used, replacement intervals may be different. ENGINE OIL AND FILTER Replace the oil filter and drain and refill the engine oil at specified intervals. For recommended oil grade and viscosity, refer to the Owner's Manual. EXHAUST PIPES AND MOUNTINGS Visually inspect the exhaust pipes, muffler and hangers for cracks, deterioration and damage. Start the engine and listen carefully for any exhaust gas leakage. Tighten connections or replace parts as necessary. FRONT OR REAR DIFFERENTIAL OIL Inspect or replace at specified intervals. When performing inspections, check each component for signs of leakage. If you discover any leakage, have it repaired by a qualified technician immediately. FUEL LINES AND CONNECTIONS, FUEL TANK BAND AND FUEL TANK VAPOR VENT SYSTEM HOSES Visually inspect for corrosion, damage, cracks, and loose or leaking connections. Tighten connections or replace parts as necessary. FUEL TANK CAP GASKET Visually inspect for cracks, deterioration and damage and replace if necessary. NUTS AND BOLTS ON CHASSIS AND BODY Re-tighten the seat-mounting bolts and front/rear suspension member retaining bolts to specified torque. RADIATOR CORE AND CONDENSER Inspect for debris, corrosion and signs of damage. Have any problem repaired immediately by a qualified technician. SPARK PLUGS Replace at specified intervals. Install new plugs of the same type as originally equipped. A qualified technician should perform this operation. 23