Valve Lash (Clearance) - Suzuki 2000 Grand Vitara SQ625 Service Manual

1. Crankshaft pulley
2. V mark
(1) (2)
(3)
IN
EX
(6)
(7)
(5)
IN
1. Thickness gauge

VALVE LASH (CLEARANCE)

1) Remove negative cable at battery.
2) Remove cylinder head cover referring to item "Cylinder Head
cover".
3) Using 17 mm socket, turn crankshaft pulley clockwise until "V"
mark (in white paint) on pulley aligns with "0" (zero) calibrated
on timing belt cover.
4) Check if the rocker arms of No.1 cylinder are off the respective
cam lobes (of camshaft); if so, valves (1), (2), (5) and (7) in left
figure are ready for clearance checking and adjustment.
Check valve lashes at valves (1), (2), (5) and (7).
If the rocker arms of No.4 cylinder are off the respective cam
lobes, check valve lashes at valves (3), (4), (6) and (8).
(4)
NOTE:
When checking valve clearance, insert thickness gauge be-
tween camshaft and cam-riding face of rocker arm.
(8)
5) If valve lash is out of specification, adjust it to specification by
turning adjusting screw after loosening lock nut.
After adjustment, tighten lock nut to specified torque while hold-
ing adjusting screw stationary, and then make sure again that
valve lash is within specification.
EX
Valve
clearance clearance
specifica-
tion
Special Tool
(A): 09917-18210
Tightening Torque
(a): 12 N
ENGINE MECHANICAL (G16 ENGINE) 6A1-9
When cold
(Coolant tempera-
ture is 15 – 25_C or
59 – 77_F)
0.13 – 0.17 mm
Intake
(0.005 – 0.007 in.)
0.23 – 0.27 mm
Exhaust
(0.009 – 0.011 in.)
.
m (1.2 kg-m, 9.0 lb-ft)
When hot
(Coolant tempera-
ture is 60 – 68_C or
140 – 154_F)
0.17 – 0.21 mm
(0.007 – 0.008 in.)
0.28 – 0.32 mm
(0.011 – 0.013 in.)