Honda Civic. Manual — part 402

Specified Torque:

6 x 1.0 mm

15 N.m (1.5 kgf.m, 11 Ibf.ft)

Fig. 8: Identifying Tightening Sequence Of Cylinder Head Bolts

4. Seat the camshaft by pushing it toward the rear of the cylinder head.
5. Zero the dial indicator against the end of the camshaft. Push the camshaft back

and forth, and read the end play. If the end play is beyond the service limit,
replace the thrust cover and recheck. If it is still beyond the service limit,
replace the camshaft.

Camshaft End Play

Standard (New): 0.050-0.250 mm

(0.002-0.010 in.)

Service Limit: 0.4 mm (0.02 in.)

2008 Honda Civic GX

2006-08 ENGINE Cylinder Head - Civic GX

Fig. 9: Measuring Camshaft End Play

6. Remove the camshaft, refer to the CAMSHAFT REMOVAL .
7. Wipe the camshaft clean, then inspect the lift ramps. Replace the camshaft if

any lobes are pitted, scored, or excessively worn.

8. Measure the diameter of each camshaft journal.

Fig. 10: Measuring Diameter Of Camshaft Journal

9. Zero the gauge to the journal diameter.

2008 Honda Civic GX

2006-08 ENGINE Cylinder Head - Civic GX

Fig. 11: Checking Zero Gauge To Journal Diameter

10. Clean the camshaft bearing surfaces in the cylinder head. Measure the inside

diameter of each camshaft bearing surface, and check for an out-of-round
condition.

If the camshaft-to-holder clearance is within limits, go to step 12.

If the camshaft-to-holder clearance is beyond the service limit, and the
camshaft has been replaced, replace the cylinder head.

If the camshaft-to-holder clearance is beyond the service limit, and the
camshaft has not been replaced, go to step 11.

Camshaft-to-Holder Oil Clearance

Standard (New): 0.045-0.084 mm

(0.0018-0.0033 in.)

Service Limit: 0.15 mm (0.006 in.)

2008 Honda Civic GX

2006-08 ENGINE Cylinder Head - Civic GX

Fig. 12: Checking Camshaft-To-Holder Oil Clearance

11. Check the total runout with the camshaft supported on V-blocks.

If the total runout of the camshaft is within the service limit, replace the
cylinder head.

If the total runout is beyond the service limit, replace the camshaft, and
recheck the oil clearance. If the oil clearance is still out of tolerance,
replace the cylinder head.

Camshaft Total Runout

Standard (New): 0.03 mm (0.001 in.) max.

Service Limit: 0.04 mm (0.002 in.)

2008 Honda Civic GX

2006-08 ENGINE Cylinder Head - Civic GX