2011 Toyota Tundra Double Cab Owners Manual - Page 619

5-1. Essential information If you think something is wrong If you notice any of the following symptoms, your vehicle probably needs adjustment or repair. Contact your Toyota dealer as soon as possible. n Visible symptoms l Fluid leaks under the vehicle (Water dripping from the air conditioning after use is normal.) l Flat-looking tires or uneven tire wear l Engine coolant temperature gauge needle continually points higher than normal l Voltmeter continually points higher or lower than normal (if equipped) l Engine oil pressure gauge continually points lower than normal (if equipped) l Automatic transmission fluid temperature gauge needle continually points higher than normal (if equipped) n Audible symptoms l Changes in exhaust sound l Excessive tire squeal when cornering When trouble arises 5 l Strange noises related to the suspension system l Pinging or other noises related to the engine n Operational symptoms l Engine missing, stumbling or running rough l Appreciable loss of power l Vehicle pulls heavily to one side when braking l Vehicle pulls heavily to one side when driving on a level road l Loss of brake effectiveness, spongy feeling, pedal almost touches the floor 595