Valve Clearance Inspection [Z6] - Mazda 3 Workshop Manual

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
• If it does not move smoothly, replace the drive belt auto tensioner.
3. Rotate the drive belt auto tensioner pulley by hand and verify that it rotates smoothly.
• If it does not move smoothly, replace the drive belt auto tensioner.
4. Install the drive belt. (See

VALVE CLEARANCE INSPECTION [Z6]

1. Remove the battery cover.
2. Disconnect the negative battery cable.
3. Remove the under cover and splash shield (RH).
4. Remove the air cleaner component. (See
5. Remove the ignition coils. (See
6. Disconnect the ventilation hose.
7. Remove the cylinder head cover.
8. Measure the valve clearance.
(1) Rotate the crankshaft clockwise so that the No.1 cylinder is at TDC of the compression stroke.
(2) Measure the valve clearance at A shown in the figure.
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DRIVE BELT REPLACEMENT
INTAKE-AIR SYSTEM REMOVAL/INSTALLATION
IGNITION COIL REMOVAL/INSTALLATION
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