Valve Lash (Clearance) Inspection: Notes

WARNING: This page is about a different car, the 2007 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.

Remove negative (-) cable at battery.
Remove cylinder head cover, referring to REMOVAL .
Using 17 mm wrench, turn crankshaft pulley (1) clockwise until index (2) of cylinder block and index (3) of crankshaft pulley (1) are aligned.

Fig 1: Turning Crankshaft Pulley
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Check whether cam position (1) of No.1 cylinder is at the specified position [A] as shown in Fig 2. If cam position is [B], locate cam position to [A] by turning crankshaft one rotation.

Fig 2: Checking Cam Position
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Check valve lashes with thickness gauge (1) according to the following procedure.
1. Check valve lashes of cylinder No.1.
2. Turn crankshaft pulley by 180° clockwise.
3. Check valve lashes of cylinder No.3.
4. In the same manner as b and c, check valve lashes of cylinder No.4 then cylinder No.2.

If valve lash is out of specification, record valve lash and adjust it to specification by replacing shim.

Valve clearance specification

VALVE CLEARANCE SPECIFICATION

When cold (Coolant temperature is 15 - 25°C (59 - 77°F))	When hot (Coolant temperature is 60 - 68°C (140 - 154°F))
Intake	0.18 - 0.22 mm (0.007 - 0.009 in.)	0.21 - 0.27 mm (0.008 - 0.011 in.)
Exhaust	0.28 - 0.32 mm (0.011 - 0.013 in.)	0.30 - 0.36 mm (0.012 - 0.014 in.)

Fig 3: Checking Valve Lashes With Thickness Gauge

Courtesy of SUZUKI OF AMERICA CORP.