PROCEDURE
REMOVE INTAKE VALVE
Using SST, compress the inner compression spring and remove the 2 valve spring retainer locks.
Remove the valve spring retainer, inner compression spring and intake valve.
Tech Tips
Arrange the removed parts in the correct order.
REMOVE EXHAUST VALVE
Using SST, compress the inner compression spring and remove the 2 valve spring retainer locks.
Remove the valve spring retainer, inner compression spring and exhaust valve.
Tech Tips
Arrange the removed parts in the correct order.
REMOVE INTAKE VALVE STEM OIL SEAL
Using needle-nose pliers, remove the intake valve stem oil seals.
REMOVE EXHAUST VALVE STEM OIL SEAL
Using needle-nose pliers, remove the exhaust valve stem oil seals.
REMOVE VALVE SPRING SEAT
Using compressed air and a magnet hand, remove the valve spring seats by blowing air onto them.
REMOVE NO. 1 STRAIGHT SCREW PLUG
| *a | for Bank 1 |
| *b | for Bank 2 |
Using a 10 mm hexagon wrench, remove the 4 No. 1 straight screw plugs and 4 water hole gaskets.
Note
If water leaks from a No. 1 straight screw plug or the No. 1 straight screw plug is corroded, replace it.
REMOVE NO. 2 STRAIGHT SCREW PLUG
| *a | for Bank 1 |
| *b | for Bank 2 |
Using a 14 mm hexagon wrench, remove the 2 No. 2 straight screw plugs and 2 cylinder head screw plug gaskets.
Note
If water leaks from a No. 2 straight screw plug or the No. 2 straight screw plug is corroded, replace it.
REMOVE UNION
Tech Tips
It is not necessary to remove the union unless it is being replaced.
REMOVE STUD BOLT
Tech Tips
If the stud bolt is deformed or the threads are damaged, replace it.