Mazda CX-9 Grand Touring. Manual - part 362

Fig. 45: Identifying Cylinder Head Cover Bolts (RH) 
Courtesy of MAZDA MOTORS CORP. 

LH  

Fig. 46: Identifying Cylinder Head Cover Bolts (LH) 
Courtesy of MAZDA MOTORS CORP. 

CYLINDER HEAD COVER OIL SEAL REMOVAL NOTE 

1. Tap the OCV attachment hole seals and spark plug tube attachment hole seals using the SSTs and 

hammer. 

NOTE:



Inspect the OCV attachment hole seals and spark plug tube attachment 
hole seals. Remove the any damaged seals.  



The OCV attachment hole seals removal is shown, the spark plug tube 
attachment hole seals removal procedure is the same.  

 

2008 Mazda CX-9 Grand Touring 

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

  

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Fig. 47: View Of Cylinder Head Cover Oil Seal & SST 
Courtesy of MAZDA MOTORS CORP. 

ENGINE FRONT COVER AND NO.3 ENGINE MOUNT BRACKET REMOVAL NOTE 

1. Loosen the engine front cover and No.3 engine mount bracket installation bolts in the order shown in the 

figure.  

2. Install 4 of the engine front cover bolts (finger tightened) into the 4 threaded holes in the engine front 

cover. 

Fig. 48: Identifying Engine Front Cover & No.3 Engine Mount Bracket 
Courtesy of MAZDA MOTORS CORP. 

1. Tighten the bolts one turn at a time in a crisscross pattern until the engine front cover-to-cylinder 

block seal is released.  

2. Remove the engine front cover. 

 

2008 Mazda CX-9 Grand Touring 

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

  

Microsoft 

 

Sunday, November 15, 2009 10:01:57 AM

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© 2005 Mitchell Repair Information Company, LLC. 

Fig. 49: Locating Engine Front Cover Bolts 
Courtesy of MAZDA MOTORS CORP. 

OCV COMPONENT REMOVAL NOTE 

1. Loosen the OCV component installation bolts in the order shown in the figure. 

RH  

Fig. 50: Identifying OCV Component Bolts (RH) 
Courtesy of MAZDA MOTORS CORP. 

LH  

Fig. 51: Identifying OCV Component Bolts (LH)

 

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 37 

© 2005 Mitchell Repair Information Company, LLC. 

Courtesy of MAZDA MOTORS CORP.

TIMING CHAIN 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.) 

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

3. Remove the timing chain in the following order. 

1. Chain tensioner  

2. Timing chain  

3. Tensioner arm  

4. Chain guide 

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.  



When the timing chain is replaced with a new one, mark the new 
timing chain at the same positions as the removed timing chain. 

Fig. 52: Turning Crankshaft Clockwise 
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 38 

© 2005 Mitchell Repair Information Company, LLC.