Mazda CX-7 2007 Workshop Manual page 399

Valve Clearance Adjustment
1. Disconnect the negative battery cable.
2. Remove the splash shield (RH).
3. Remove the charge air cooler. (See01-13-5 INTAKE AIR SYSTEM REMOVAL/INSTALLATION[L3 WITH TC].)
4. Remove the high pressure fuel pump. (See01-14-16 HIGH PRESSURE FUEL PUMP REMOVAL/
INSTALLATION[L3 WITH TC].)
5. Remove the ignition coils. (See01-18-2 IGNITION COIL REMOVAL/INSTALLATION[L3 WITH TC].)
6. Disconnect the wiring harness.
7. Remove the ventilation hose.
8. Remove the cylinder head cover. (See01-10-10 TIMING CHAIN REMOVAL/INSTALLATION[L3 WITH TC].)
9. Remove the drive belt. (See01-10-3 DRIVE BELT REMOVAL/INSTALLATION[L3 WITH TC].)
10. Remove the engine front cover lower blind plug.
11. Remove the engine front cover upper blind plug.
12. Remove the cylinder block lower blind plug, and
install the SST.
13. Rotate the crankshaft in the direction of the
engine rotation so that the No.1 piston is at TDC
of the compression stroke. (Until the crank weight
contacts SST and stops.)
14. Release the tension on the timing chain shown in
the figure.
MECHANICAL [L3 WITH TC]
UPPER
BLIND
PLUG
LOWER BLIND
PLUG
303-507
2
BOLT(M6 x 1.0)
3
01-10
acxuuw00000157
acxuuw00000541
1
acxuuw00000159
01-10–5