2007 Toyota Tundra Warranty, Maitenance, Services Guide - Page 27

Explanation of Maintenance Items Engine Air Filter Replace at specified intervals. When performing inspections, check for damage, excessive wear and oiliness, and replace if necessary. 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 as necessary. A qualified technician should perform these operations. (For further details, refer to "Radiator, Condenser and Hoses" in the "Vehicle Maintenance and Care" 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 highquality 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 Oil 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. Engine Valve Clearance Inspect for tappet noise and engine vibration and adjust if necessary. A qualified technician should perform this operation. 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. 23