Acura CSX. Instruction — page 55

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7-3

Component Location Index

MAIN BEARINGS

DOWEL PINS

LOWER BLOCK

BAFFLE PLATE

CRANKSHAFT

CRANKSHAFT OIL SEAL,
TRANSMISSION END

BAFFLE PLATE

DRIVE PLATE (A/T model)

THRUST WASHERS

FLYWHEEL (M/T model)

Oil Clearance Inspection,

page 7-6

Selection, page 7-7

End Play Inspection, page 7-5
Removal, page 7-13
Inspection, page 7-15
Installation, page 7-25

Installation, step 24 on page 7-27
Installation — in Car, page 7-32

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7-4

Engine Block

PISTON RINGS

PISTON PIN

CONNECTING ROD

CONNECTING ROD
BEARINGS

CONNECTING ROD
BEARING CAP

PISTON

ENGINE BLOCK

CONNECTING ROD BOLTS

DOWEL PINS

Replacement, page 7-21

Removal, page 7-18
Inspection, page 7-19
Installation, page 7-20

End Play Inspection, page 7-5
Small End Measurement, page 7-19

Oil Clearance Inspection,

page 7-8

Selection, page 7-9

Removal, page 7-13
Measurement, page 7-16
Installation, page 7-23

Ridge Removal, step 15 on page 7-14
Cylinder Bore Inspection, page 7-16
Warpage Inspection, page 7-16
Cylinder Bore Honing, page 7-18

Inspection, page 7-25

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Connecting Rod End Play
Standard (New): 0.15

0.30 mm (0.006

0.012 in.)

Service Limit:

0.40 mm (0.016 in.)

Crankshaft End Play
Standard (New): 0.10

0.35 mm (0.004

0.014 in.)

Service Limit:

0.45 mm (0.018 in.)

7-5

Connecting Rod and Crankshaft End Play Inspection

1. Remove the oil pump (see page 8-16).

2. Remove the baffle plates (see step 8 on page 7-13).

3. Measure the connecting rod end play with a feeler

gauge between the connecting rod and the
crankshaft.

4. If the connecting rod end play is beyond the service

limit, install a new connecting rod, and recheck. If it
is still beyond the service limit; replace the
crankshaft (see page 7-13).

5. Push the crankshaft firmly away from the dial

indicator, and zero the dial against the end of the
crankshaft. Then pull the crankshaft firmly back
toward the indicator, the dial reading should not
exceed the service limit.

6. If the end play is beyond the service limit, replace

the thrust washers and recheck. If it is still beyond
the service limit, replace the crankshaft (see page
7-13).

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Main Bearing Clearance Inspection

Main Bearing-to-Journal Oil Clearance
No. 1, 2, 4, 5 Journals:
Standard (New): 0.017

0.041 mm

(0.0007

0.0016 in.)

Service Limit:

0.050 mm (0.0020 in.)

No. 3 Journal:
Standard (New): 0.025

0.049 mm

(0.0010

0.0019 in.)

Service Limit:

0.055 mm (0.0022 in.)

7-6

Engine Block

Crankshaft Main Bearing Replacement

1. To check the main bearing-to-journal oil clearance,

remove the lower block and the bearing halves
(see page 7-13).

2. Clean each main journal and bearing half with a

clean shop towel.

3. Place one strip of plastigage across each main

journal.

4. Reinstall the bearings and lower block, then tighten

the bolts to 29 N·m (3.0 kgf·m, 22 lbf·ft)

56 ° in

the proper sequence (see step 19 on page 7-27).

NOTE:

• Apply new engine oil to the bolt threads and

flanges.

• Do not rotate the crankshaft during inspection.

5. Remove the lower block and the bearings again,

and measure the widest part of the plastigage.

6. If the plastigage measures too wide or too narrow,

remove the crankshaft, and remove the upper half
of the bearing. Install a new, complete bearing with
the appropriate color code(s), and recheck the
clearance. Do not file, shim, or scrape the bearings
or the caps to adjust clearance.

7. If the plastigage shows the clearance is still

incorrect, try the next larger or smaller bearing (the
color listed above or below the current one), and
check again. If the proper clearance cannot be
obtained by using the appropriate larger or smaller
bearings, replace the crankshaft, and start over.

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