Mazda CX-9 Grand Touring. Manual - part 363

Fig. 53: Identifying Timing Sprocket Timing Mark 
Courtesy of MAZDA MOTORS CORP. 

5. Crankshaft sprocket 

Fig. 54: Identifying Crankshaft Sprocket 
Courtesy of MAZDA MOTORS CORP. 

OCV COMPONENT INSTALLATION NOTE 

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

RH  

 

2008 Mazda CX-9 Grand Touring 

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

  

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Fig. 55: Identifying OCV Component Bolts (RH) 
Courtesy of MAZDA MOTORS CORP. 

LH  

Fig. 56: Identifying OCV Component Bolts (LH) 
Courtesy of MAZDA MOTORS CORP. 

TIMING CHAIN COMPONENT INSTALLATION NOTE 

1. Verify that the crankshaft keyway is at 11 o'clock position. 

NOTE:



Of the three marked locations on the timing chain, align the mark that 
has a different color to the crankshaft sprocket side timing mark. 

 

2008 Mazda CX-9 Grand Touring 

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

  

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2. Place alignment marks on the timing chain corresponding to each of the alignment marks on the timing 

sprocket. 

Fig. 58: View Of Alignment Marks On Timing Chain 
Courtesy of MAZDA MOTORS CORP. 

3. Push down the link plate of the timing chain tensioner and release the plunger lock. 

Fig. 57: Identifying Timing Chain Component 
Courtesy of MAZDA MOTORS CORP. 

NOTE:



The plunger should retract with minimal force. If binding occurs, 
remove the chain tensioner from the vise and reset it in the vise. 

 

2008 Mazda CX-9 Grand Touring 

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

  

Microsoft 

 

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4. Secure the chain tensioner using a vice attached with a soft base, and slowly press the plunger back 

shown in the figure while pressing down the link plate.  

5. Release the pressure slightly from the plunger, and move the plunger back and forth 2-3 mm {0.08-0.11 

in). 

Fig. 60: Pressing Plunger 
Courtesy of MAZDA MOTORS CORP. 

6. Insert an approx. 1.5 mm {0.059 in} thick wire or paper clip where the link plate hole and the tensioner 

body hole overlap to fix the link plate and lock the plunger.  

7. Install the timing chain in the following order. 

1. Crankshaft sprocket  

2. Chain guide  

3. Tensioner arm  

4. Timing chain  

5. Chain tensioner 

Fig. 59: Pushing Link Plate Of Timing Chain Tensioner 
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 42 

© 2005 Mitchell Repair Information Company, LLC.