Acura TSX / Honda Accord CL. Manual - part 421

19. Remove the cam chain guide A (A) and tensioner arm (B). 

Fig. 77: Removing The Cam Chain Guide A & Tensioner Arm 

20. Remove the cam chain.  

CAM CHAIN INSTALLATION 

1. Set the crankshaft to top dead center (TDC). Align the TDC mark (A) on the crankshaft sprocket with the 

NOTE:

Keep the cam chain away from magnetic fields.

 

2004 Acura TSX 

2004 ENGINES 2.4L DOHC VTEC - TSX

  

 

pointer (B) on the cylinder block. 

Fig. 78: Aligning The TDC Mark On The Crankshaft Sprocket With The Pointer On The Cylinder 
Block 

2. Set the camshafts to TDC. The punch mark (A) on the variable valve timing control (VTC) actuator and 

the punch mark (B) on the exhaust camshaft sprocket should be at the top. Align the TDC marks (C) on 
the VTC actuator and exhaust camshaft sprocket. 

 

2004 Acura TSX 

2004 ENGINES 2.4L DOHC VTEC - TSX

  

 

Fig. 79: Aligning The TDC Marks On The VTC Actuator & Exhaust Camshaft Sprocket 

3. Install the cam chain on the crankshaft sprocket with the colored piece (A) aligned with the mark (B) on 

the crankshaft sprocket. 

 

2004 Acura TSX 

2004 ENGINES 2.4L DOHC VTEC - TSX

  

 

Fig. 80: Installing The Cam Chain On The Crankshaft Sprocket 

4. Install the cam chain on the VTC actuator and the exhaust camshaft sprocket with the punch marks (A) 

aligned with the center of the two colored pieces (B). 

 

2004 Acura TSX 

2004 ENGINES 2.4L DOHC VTEC - TSX