Fig. 58: Identifying Chain Tensioner, Timing Chain, Tensioner Arm, Chain Guide And Crankshaft
Sprocket Removal Sequence
Courtesy of MAZDA MOTORS CORP.
5. Rotate the crankshaft counterclockwise until the keyway is in the 9 o'clock position.
6. Slowly compress the camshaft timing chain tensioner (LH) piston by hand.
Fig. 59: Identifying Crankshaft Keyway Is 9 O'Clock Position
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. 60: Inserting Wire Into Camshaft Timing Chain Tensioner
Courtesy of MAZDA MOTORS CORP.
8. Verify that the camshafts (LH) are in the neutral position.
NOTE:
z
When the timing chain removed, valve spring pressure will rotate the
camshaft (LH) approx. 3° to a neutral position.
NOTE:
z
The cylinder head and the camshaft bearing caps are numbered to
make sure they are reassembled in their original position. When
removed, keep the bearing caps with the cylinder head they were
2007 Mazda CX-9 Grand Touring
2007 ENGINE Mechanical (MZI-3.5) - CX-9
Microsoft
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