SYSTEM DIAGRAM 
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Toyota Tundra Service Manual > 1ur-fe Lubrication: Lubrication System
On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. CHECK OIL QUALITY (a) Check the oil for deterioration, water contamination, discoloring or thinning. If the quality is visibly poor, replace the oil and oil filter element (See page ). 2. CHECK ENGINE OIL LEVEL (a) Warm up the engine, then sto ...
