Acura TSX / Honda Accord CL. Manual — part 456

Fig. 207: Measuring Wear & Taper

5. Scored or scratched cylinder bores must be honed.

6. Check the top of the block for warpage. Measure along the edges and across the center as shown.

2004 Acura TSX

2004 ENGINES 2.4L DOHC VTEC - TSX

Engine Block Warpage:

Standard (New): 0.07 mm (0.003 in) Max

Service Limit: 0.10 mm (0.004 in.)

Fig. 208: Measuring Positions For The Top Of The Block

2004 Acura TSX

2004 ENGINES 2.4L DOHC VTEC - TSX

Fig. 209: Checking The Top Of The Block For Warpage

7. Calculate the difference between the cylinder bore diameter and the piston diameter. If the clearance is

near or exceeds the service limit, inspect the piston and cylinder block for excessive wear.

Piston-To-Cylinder Clearance:

Standard (New): 0.020-0.040 mm (0.0008-0.0016 in.)

Service Limit: 0.05 mm (0.002 in.)

2004 Acura TSX

2004 ENGINES 2.4L DOHC VTEC - TSX

Fig. 210: Checking Difference Between The Cylinder Bore Diameter & The Piston Diameter

CYLINDER HONING

1. Measure the cylinder bores (see BLOCK & PISTON INSPECTION ). If the block is to be reused, hone

NOTE:

Only a scored or scratched cylinder bore must be honed.

2004 Acura TSX

2004 ENGINES 2.4L DOHC VTEC - TSX