Acura TSX / Honda Accord CL. Manual — part 454

Fig. 203: Driving Out The Pistons

15. To avoid mix up on reassembly, mark each piston/connecting rod assembly with its cylinder number.

16. Reinstall the connecting rod bearings and caps after removing each piston/connecting rod assembly.

17. Reinstall the lower block and bearings on the engine in the proper order.

CRANKSHAFT INSPECTION

Out-of-Round & Taper

1. Remove the crankshaft from the cylinder block (see CRANKSHAFT & PISTON REMOVAL ).

2. Clean the crankshaft oil passages with pipe cleaners or a suitable brush.

3. Clean the keyway and threads.

4. Measure out-of round at the middle of each rod and main journal in two places. The difference between

measurements on each journal must not be more than the service limit.

Journal Out-Of-Round:

NOTE:

The existing number on the connecting rod does not indicate its position
in the engine, it indicates the rod bore size.

2004 Acura TSX

2004 ENGINES 2.4L DOHC VTEC - TSX

Standard (New): 0.005 mm (0.0002 in.) Max.

Service Limit: 0.010 mm (0.0004 in.)

2004 Acura TSX

2004 ENGINES 2.4L DOHC VTEC - TSX

2004 Acura TSX

2004 ENGINES 2.4L DOHC VTEC - TSX

Fig. 204: Measuring Out-Of Round At The Middle Of Each Rod & Main Journal In Two
Places

5. Measure taper at the edges of each rod and main journal. The difference between measurements on each

journal must not be more than the service limit.

Journal Taper:

Standard (New): 0.005 mm (0.0002 in.) Max.

Service Limit 0.010 mm (0.0004 in.)

Straightness

6. Place the cylinder block on the surface plate.

7. Clean and install the bearings on the No. 1 and No. 5 journals of the cylinder block.

8. Lower the crankshaft into the block.

9. Measure runout on all main journals. Rotate the crankshaft two complete revolutions. The difference

between measurements on each journal must not be more than the service limit.

Crankshaft Total Runout:

Standard (New): 0.03 mm (0.0012 in.) Max.

Service Limit: 0.04 mm (0.0016 in.)

2004 Acura TSX

2004 ENGINES 2.4L DOHC VTEC - TSX