Mazda CX-9 Grand Touring 2009 Manual page 1430

Fig. 23: Rotating Crankshaft Counterclockwise
Courtesy of MAZDA MOTORS CORP.
7. Insert an approx. 1.0 mm {0.039 in} thin wire or paper clip into the camshaft timing chain tensioner
(LH) shown in the figure to hold the tensioner piston.
Fig. 24: Inserting Paper Clip Into Camshaft Timing Chain Tensioner (LH)
Courtesy of MAZDA MOTORS CORP.
8. Install the SST onto the camshafts (LH).
NOTE:
2008 Mazda CX-9 Grand Touring
2008 ENGINE Mechanical (MZI-3.7) - Mazda CX-9
The camshaft sprocket is integrated with the variable valve timing
actuator and cannot be disassembled.