Acura TSX / Honda Accord CL. Manual — part 443

Fig. 162: Aligning The TDC Mark On The Crankshaft Sprocket With The Pointer On The
Cylinder Block

5. Install the cylinder head on the block.

6. Measure the diameter of each cylinder head bolt at point A and point B.

2004 Acura TSX

2004 ENGINES 2.4L DOHC VTEC - TSX

Fig. 163: Measuring The Diameter Of Each Cylinder Head Bolt

7. If either diameter is less than 10.6 mm (0.42 in.), replace the cylinder head bolt.

8. Apply engine oil to the threads and under the bolt heads of all cylinder head bolts.

9. Tighten the cylinder head bolts in sequence to 39 N.m (4.0 kgf.m, 29 lbf.ft). Use a beam-type torque

wrench. When using a preset-type torque wrench, be sure to tighten slowly and do not overtighten, if a
bolt makes any noise while you are torquing it, loosen the bolt and retighten it from the first step.

Specified Torque: 39 N.m (4.0 kgf.m, 29 lbf.ft)

2004 Acura TSX

2004 ENGINES 2.4L DOHC VTEC - TSX

Fig. 164: Cylinder Head Bolts Torque Tightening Sequence

10. After torquing, tighten all cylinder head bolts in two steps (90° per step). If you are using a NEW cylinder

head bolt, tighten the bolt an extra 90°.

2004 Acura TSX

2004 ENGINES 2.4L DOHC VTEC - TSX

Fig. 165: Tighten All Cylinder Head Bolts In Two Steps (90 Degrees Per Step)

11. Install the rocker arm assembly (see ROCKER ARM ASSEMBLY INSTALLATION ).

12. Install the cam chain (see CAM CHAIN INSTALLATION ).

13. Tighten the two bolts (A) securing the evaporative emission (EVAP) canister purge valve bracket and

tighten the bolt (B) securing the harness brackets.

2004 Acura TSX

2004 ENGINES 2.4L DOHC VTEC - TSX