Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary. An authorized HYUNDAI dealer should perform the operation.
See also:
Steering Gear Box, Linkage & Boots/Lower Arm Ball Joint
With the vehicle stopped and engine off, check for excessive free-play in the
steering wheel. Check the linkage for bends or damage. Check the dust boots and
ball joints for deterioration, cracks, ...
WORLD CLASS POWER-TO-WEIGHT RATIO
One of the program targets for the 2011 Sonata engineering team was
world-class power-to-weight ratio. Power-to-weight ratio pays dividends in both
performance and fuel economy.
Hyundai Sonata i ...
Checking the Engine Oil
Engine oil is essential to the performance and service of the engine. It is suggested
that you check the oil level at least once a week in normal use and more often if
you are on a trip or driving ...