Suzuki 2000 Grand Vitara SQ625 Service Manual page 472

1. Valve guide protrusion (13.5 mm)
ASSEMBLY
1) Before installing valve guide into cylinder head, ream guide hole
with special tool (11 mm reamer) so as to remove burrs and
make it truly round.
Special Tool
(A): 09916-34542
(B): 09916-38210
2) Install valve guide to cylinder head.
Heat cylinder head uniformly to a temperature of 80 to 100_C
(176 to 212_F) so that head will not be distorted, and drive
new valve guide into hole with special tools. Drive in new
valve guide until special tool (Valve guide installer) contacts
cylinder head.
After installing, make sure that valve guide protrudes by 13.5
mm (0.53 in.) from cylinder head.
Special Tool
(A): 09916-58210
(B): 09917-87810
NOTE:
D Do not reuse once-disassembled valve guide.
Install new valve guide (Oversize).
D Intake and exhaust valve guides are identical.
Valve guide oversize:
Valve guide protrusion (In and Ex): 13.5 mm (0.53 in.)
3) Ream valve guide bore with special tool (6.0 mm reamer). After
reaming, clean bore.
Special Tool
(A): 09916-34542
(B):09916-37810
4) Install valve spring seat to cylinder head.
ENGINE MECHANICAL (J20 ENGINE) 6A4-53
0.03 mm (0.0012 in.)