Sonata L4-2.4L (1990)
1.
Inspect the rocker arm roller surface. Replace the rocker arm if there are any signs of denting, overheating (blue tint) or pitting.
2.
Inspect the rotation of the roller. Replace the rocker arm if there is uneven rotation or any backlash in the roller.
3.
Inspect the socket for excessive wear.
4.
Inspect the inside of the rocker arm for signs of wear or damage.
5.
Apply engine oil to the inside of the rocker arm surface prior to installing the rocker arm onto the shaft.
6.
"A" and "B" rocker arms should be replaced with "C" and "D" type rocker arms (see parts illustration).
Rocker Arm Shaft Inspection:
1.
Inspect the oil holes to determine that they are clear and free of debris.
2.
Inspect the surface for signs of excessive wear or damage.
Note:
The exhaust rocker shaft is shorter than the intake shaft and contains more oil holes.
INTERCHANGEABILITY:
