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:
112,500 miles (180,000 km) or 90 months
❑ Inspect air cleaner filter
❑ Inspect vacuum hose
❑ Inspect manual transaxle fluid (if equipped)
❑ Replace engine oil and filter (112,500 miles (180,000 km) or 180 mont ...
Air Conditioning Switch
The air conditioning is turned on by pushing the A/C button on the heating/air
conditioning control panel. ...
22,500 miles (36,000 km) or 18 months
❑ Inspect air cleaner filter
❑ Inspect vacuum hose
❑ Replace engine oil and filter (22,500 miles (36,000 km) or 36 months) ...


