Kia Cerato 2009 Service Manual page 62

4. Continuous noise when the
engine is started after excessively
cranking the engine by the starter
motor or band.
5. Continuous noise when the
engine is running after changing
the HLA.
6. Continuous noise during idle
after high engine speed.
7. Noise continues for more than 15
minutes.
REASSEMBLY
•• Thoroughly clean all parts to be assembled.
•• Before installing the parts, apply fresh engine oil to all sliding and rotating surface.
•• Replace oil seals with new ones.
1. Install the valves.
(1) Using the SST (09222-2A000)(A), push in a new stem oil seal.
Do not reuse old valve stem oil seals.
Incorrect installation of the seal could result in oil leakage past the valve guides.
Oil leakage of the high-pressure
chamber in the HLA, allowing air to
get in.
Insufficient oil in the HLA.
Engine oil level too high or too low.
Excessive amount of air in the oil at
high engine speed.
Deteriorated oil.
Low oil pressure.
Faulty HLA.
Do not run engine at a speed
higher than 3000 rpm, as this
may damage the HLA.
Check oil level.
Drain or add oil as necessary.
Check oil supply system.
Check oil quality.
If deteriorated, replace with
specified type.
Check oil pressure and oil supply
system of each part of engine.
Remove the cylinder head cover
and press HLA down by hand.
If it moves, replace the HLA.