Nissan Micra K11 silhouetteK11

CYLINDER HEAD — Inspection (Cont'd)

EM-30prose procedure

Inspection (Cont'd)

Maximum combined resurfacing (A + B)Cylinder head + cylinder block
0.2 (0.008)mm (in)
Nominal cylinder head heightNominal
121.1 - 121.3 (4.768 - 4.776)mm (in)

CAMSHAFT VISUAL CHECK

Check camshaft for scratches, seizure and wear.

Camshaft runout

  1. 1
    Measure camshaft runout at the center journal.
    Camshaft mounted between V-blocks with a dial indicator on the centre journal to measure runout.
    SEM154D
  2. 2
    If it exceeds the limit, replace camshaft.
Camshaft runout — StandardTotal indicator reading
Less than 0.02 (0.0008)mm (in)
Camshaft runout — LimitTotal indicator reading
0.1 (0.004)mm (in)

Camshaft cam height

  1. 1
    Measure camshaft cam height.
    Micrometer measuring camshaft cam-lobe height (cam tip to base circle).
    SEM549A
  2. 2
    If wear is beyond the limit, replace camshaft.
Standard cam height — CG10DE (Intake & Exhaust)Standard
38.005 - 38.195 (1.4963 - 1.5037)mm (in)
Standard cam height — CG13DE (Intake & Exhaust)Standard
39.880 - 40.070 (1.5701 - 1.5776)mm (in)
Cam wear limit (Intake & Exhaust)Wear limit
0.20 (0.0079)mm (in)

Camshaft journal clearance

  1. 1
    Install camshaft bracket and tighten bolts to the specified torque.
  2. 2
    Measure inner diameter of camshaft bearing.
    Bore gauge measuring inner diameter of a camshaft bearing journal in the cylinder head with the camshaft brackets installed.
    SEM155D
Standard inner diameter — No. 1 bearingIntake and exhaust
28.000 - 28.021 (1.1024 - 1.1032)mm (in)
Standard inner diameter — No. 2 to No. 5 bearingsIntake and exhaust
23.500 - 23.521 (0.9252 - 0.9260)mm (in)

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