Suzuki Engine 2002 GRAND VITARA SQ420 Service Manual page 542

DISASSEMBLY
1) When servicing cylinder head, remove intake manifold, injec-
tors, exhaust manifold, water outlet pipe and water outlet cap
from cylinder head.
2) Using special tools, compress valve springs and then
remove valve cotters (1).
Special tool
(A) : 09916-14510
(B) : 09916-14910
(C) : 09919-28610
(D) : 09916-84511
3) Release special tool, and remove spring retainers and valve
springs.
4) Remove valve from combustion chamber side.
5) Remove valve stem seal (1) from valve guide, and then
remove valve spring seat (2).
NOTE:
Do not reuse seal once disassembled. Be sure to use
new seal when assembling.
ENGINE MECHANICAL (J20 ENGINE) 6A4-53