Mazda CX-9 Grand Touring. Manual — part 367

Fig. 80: Locating Timing Chain Mark
Courtesy of MAZDA MOTORS CORP.

5. Crankshaft sprocket

Fig. 81: Identifying Crankshaft Sprocket Bolts
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.

2008 Mazda CX-9 Grand Touring

2008 ENGINE Mechanical (MZI-3.7) - Mazda CX-9

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Fig. 82: 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.

8. Verify that the camshafts (LH) are in the neutral position.

NOTE:



When the timing chain removed, valve spring pressure will rotate the
camshaft (LH) approx. 3 ° to a neutral position.

Fig. 83: Inserting Wire Or Paper Clip Into Camshaft Timing Chain
Tensioner (LH)
Courtesy of MAZDA MOTORS CORP.

NOTE:



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
removed from. Do not mix the caps.

2008 Mazda CX-9 Grand Touring

2008 ENGINE Mechanical (MZI-3.7) - Mazda CX-9

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Sunday, November 15, 2009 10:01:57 AM

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© 2005 Mitchell Repair Information Company, LLC.

9. Loosen the LH bank camshaft cap bolts in several passes in the order shown in the figure and remove the

camshaft cap.

10. Remove the camshaft, camshaft sprocket, camshaft timing chain, and camshaft timing chain tensioner of

the LH bank as a single unit.

11. Slowly compress the camshaft timing chain tensioner (RH) piston by hand.

Fig. 85: Identifying Camshaft Cap Bolts Loosen Sequence
Courtesy of MAZDA MOTORS CORP.

12. Insert an approx. 1.0 mm {0.039 in} thin wire or paper clip into the camshaft timing chain tensioner

(RH) shown in the figure to hold the tensioner piston.

Fig. 84: Identifying Camshafts Timing Mark
Courtesy of MAZDA MOTORS CORP.

2008 Mazda CX-9 Grand Touring

2008 ENGINE Mechanical (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:01:57 AM

Page 57

© 2005 Mitchell Repair Information Company, LLC.

Fig. 86: Inserting Wire Or Paper Clip Into Camshaft Timing Chain Tensioner (RH)
Courtesy of MAZDA MOTORS CORP.

13. Put a wrench to the position shown in the figure on the RH bank camshaft, rotate the RH bank camshaft

counterclockwise, and set the camshaft to the neutral position.

Fig. 87: Rotating RH Bank Camshaft Counterclockwise
Courtesy of MAZDA MOTORS CORP.

14. Loosen the RH bank camshaft cap bolts in several passes in the order shown in the figure and remove the

camshaft cap.

15. Remove the camshaft, camshaft sprocket, camshaft timing chain, and camshaft timing chain tensioner of

the RH bank as a single unit.

NOTE:



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
removed from. Do not mix the caps.

Fig. 88: Identifying Timing Mark Of Crankshaft
Courtesy of MAZDA MOTORS CORP.

2008 Mazda CX-9 Grand Touring

2008 ENGINE Mechanical (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:01:57 AM

Page 58

© 2005 Mitchell Repair Information Company, LLC.