Mazda CX-9 Grand Touring. Manual - part 357

1. Drain the engine oil. (See ENGINE OIL REPLACEMENT [MZI-3.7] .)  

2. Remove the engine and transaxle component. (See ENGINE REMOVAL/INSTALLATION [MZI-

3.7].)  

3. Secure the engine and transaxle component using a hoist and the SST.  

4. Remove the dynamic chamber and throttle body as a single unit. (See INTAKE-AIR SYSTEM 

REMOVAL/INSTALLATION [MZI-3.7] .)  

5. Remove the ignition coils. (See IGNITION COIL REMOVAL/INSTALLATION [MZI-3.7] .)  

6. Remove the dipstick.  

7. Remove the power steering oil pump drive belt. (See DRIVE BELT REMOVAL/INSTALLATION 

[MZI-3.7].)  

8. Remove the power steering oil pump. (See POWER STEERING OIL PUMP 

REMOVAL/INSTALLATION .) 

9. Follow the "TIMING CHAIN REMOVAL/INSTALLATION" procedure and removal the timing chain. 

(See TIMING CHAIN REMOVAL/INSTALLATION [MZI-3.7].)  

10. Remove in the order indicated in the table.  

11. Install in the reverse order of removal.  

12. Start the engine and: 

1. Inspect the runout and contact on the pulley and belt. 

CAUTION:



When removing the timing chain and marking the timing marks 
on the chain, mark the camshaft timing chain as well. 

Fig. 16: View Of Engine & Transaxle Component With SST 
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 15 

© 2005 Mitchell Repair Information Company, LLC. 

2. Inspect for engine oil, engine coolant, ATF, power steering fluid and fuel leakage.  

3. Verify the ignition timing, idle speed and idle mixture. (See ENGINE TUNE-UP [MZI-3.7].  

4. Engine accessories operation.  

13. Perform a road test. 

Fig. 17: Identifying Engine Components With SST & Torque Specifications 
Courtesy of MAZDA MOTORS CORP. 

VARIABLE VALVE TIMING ACTUATOR COMPONENT REMOVAL NOTE 

1. Turn the crankshaft clockwise so that the crankshaft keyway is in the 11 o'clock position. (This will 

position the No.1 cylinder at TDC.) 

CAUTION:



Do not rotate the crankshaft counterclockwise. The timing chains 
may bind, causing engine damage.  

NOTE:



Verify that there are timing marks in three locations (Yellow 1, Black 
2) on the timing chain. If any timing marks are missing, mark the 
timing chain.  



When marking the crankshaft sprocket side timing chain, change the 
mark color.  



If replacing with a new timing chain, place alignment marks in the 
same positions as those prior to the replacement. 

 

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 16 

© 2005 Mitchell Repair Information Company, LLC. 

2. Mark the timing chain at the position of each timing sprocket timing mark. 

3. Mark the camshaft timing chain at the positions where it is aligned with each of the camshaft sprocket on 

both banks. 

Fig. 19: Locating Camshaft Timing Chain Mark 
Courtesy of MAZDA MOTORS CORP. 

LH  

Fig. 18: Turning Crankshaft Clockwise 
Courtesy of MAZDA MOTORS CORP. 

CAUTION:



Verify that there are timing marks in two locations on the 
camshaft timing chain. If any timing marks are missing, mark 
the camshaft timing chain.  



If replacing with a new variable valve timing actuator, place 
alignment marks in the same positions as those prior to the 
replacement.  

 

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 17 

© 2005 Mitchell Repair Information Company, LLC. 

Fig. 20: Locating Camshaft Timing Chain Mark (LH) 
Courtesy of MAZDA MOTORS CORP. 

RH  

4. Remove the timing chain in the following order. 

1. Chain tensioner  

2. Timing chain  

3. Tensioner arm  

4. Chain guide 

 

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 18 

© 2005 Mitchell Repair Information Company, LLC.