Suzuki GRAND VITARA Owner's Manual page 432

1D-98 Engine Mechanical: For J20 Engine
6) Remove housing, and using scale (2) on gauging
plastic envelop (1), measure gauging plastic width at
its widest point.
Journal clearance
Standard
0.020 – 0.074 mm (0.0008 –
0.0029 in.)
If measured camshaft journal clearance exceeds
limit, measure journal (housing) bore and outside
diameter of camshaft journal. Replace camshaft or
cylinder head assembly whichever the difference
from specification is greater.
Camshaft journal
Item
Camshaft journal bore
diameter. (IN & EX) [A]
Camshaft journal O.D. (IN &
EX) [B]
Wear of Tappet and Shim
Check tappet and shim for pitting, scratches, or damage.
If any malcondition is found, replace.
Limit
0.12 mm (0.0047 in.)
IYSQ01143107-01
Standard
26.000 – 26.033 mm
(1.0236 – 1.0249 in.)
25.959 – 25.980 mm
(1.0221 – 1.0228 in.)
I5JB0A142036-01
Measure cylinder head bore and tappet outside diameter
to determine cylinder head-to-tappet clearance. If
clearance exceeds limit, replace tappet or cylinder head.
Cylinder head bore and tappet outside diameter
Item
Tappet outside 32.456 – 32.472 mm
diameter [A] (1.2778 – 1.2784 in.)
Cylinder head bore 32.500 – 32.525 mm
[B] (1.2795 – 1.2805 in.)
Cylinder head to 0.028 – 0.069 mm
tappet clearance (0.0011 – 0.0027 in.)
Oil Relief Valve
Check oil relief valve for clogging and ball for being
stuck.
I2RH0B140085-01
Standard Limit
—
—
0.15 mm
(0.0059 in.)
I5JB0A142038-01
I2RH01140111-01