Valve clearance
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Explanation of scheduled maintenance items / Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary. An authorized HYUNDAI dealer should perform the operation.
See also:
Fuel Lines, Fuel Hoses and Connections
Check the fuel lines, fuel hoses and connections for leakage and damage. Have
a trained techincian, replace any damaged or leaking parts immediately. ...
Engine Number
The engine number is stamped on the engine block as shown in the drawing. ...
High mounted stop light replacement
If the light is not operating, have the vehicle checked by an authorized HYUNDAI
dealer. ...


