Suzuki 2000 Grand Vitara SQ625 Service Manual page 352

6A2-28 ENGINE MECHANICAL (H25 ENGINE)
1. Timing chain tensioner adjuster No.3
2. LH bank intake camshaft
1. LH bank intake camshaft sprocket
2. LH bank exhaust camshaft sprocket
3. Hexagonal part of camshaft
1. LH bank exhaust camshaft sprocket
2. LH bank exhaust camshaft
6) Remove timing chain tensioner adjuster No.3.
To remove it, slacken LH bank 2nd timing chain by turning in-
take camshaft counterclockwise a little while pushing back
pad.
7) Remove LH bank intake and exhaust camshaft sprocket bolts.
To remove it, fit a spanner to hexagonal part at the center of
camshaft to hold it stationary.
8) Remove LH bank exhaust camshaft sprocket.
CAUTION:
Removing sprocket from camshaft may cause cam to
turn, resulting in damage to valve and piston. To prevent
this, when removing sprocket, hold camshaft stationary
by using a spanner at its hexagonal part.
9) Remove LH bank intake camshaft sprocket.
10) Remove LH bank 2nd timing chain.