Toyota Tundra Service Manual: Diagnostic Trouble Code Chart

Diagnosis System

Dtc Check / Clear

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Toyota Tundra Service Manual > Water Pump: On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT FOR COOLANT LEAK HINT: The sliding surface inside the water pump assembly is lubricated by engine coolant. As some engine coolant is discharged during normal operation, coolant residue (solids) may be found on the drain plug or the bottom of the water pump ...