Honda Accord: Crankshaft Inspection - Engine Block - Engine Mechanical - Honda Accord MK8 2008-2012 Service ManualHonda Accord: Crankshaft Inspection

Out-of-Round and Taper

1. Remove the crankshaft from the engine block (see page 7-14).

2. Remove the crankshaft position (CKP) pulse plate from the crankshaft (see page 7-30).

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

4. Clean the keyway and threads, and check for damage.

5. Measure the out-of-round at the middle of each rod and the main journal in two places. The difference between measurements on each journal must not be more than the service limit.

Journal Out-of-Round

Standard (New); 0.004 mm (0.0002 in) max.

Service Limit; 0.010 mm (0.0004 in)



6. Measure the taper at the edges of each rod and the


6. Measure the taper at the edges of each rod and the 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

7. Place the V-blocks on a flat surface.

8. Check the total runout with the crankshaft supported on V-blocks.

9. Measure the 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 (0.001 in) max.

Service Limit: 0.04 mm (0.002 in)

Block and Piston inspection


    Crankshaft and Piston Remowal
    1 Remove the engine/transmission (see page 5-3). 2. Remove the transmission: - Manual transmission (see page 13-7) m Automatic transmission (see page 14-194) 3. M/T model: Remove the flywheel (s ...

    Block and Piston inspection
    1. Remove the crankshaft and the pistons (see page 7-14). 2. Check the piston for distortion or cracks. 3. Measure the piston diameter at a point 13 mm (0.5 in) from the bottom of the skirt. T ...

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