Nissan 100NX N14 silhouetteN14

Cylinder Head - Valve Clearance Adjustment (Cont'd)

EM-124prose procedure

SR20DE uses shim selection (17 thicknesses, 2.800-3.200 mm). SR20DET valve clearance is checked with engine warmed up and not running, beginning with rocker cover and spark plug removal.

Continued from EM-123

Valve Clearance Adjustment (Cont'd)

Valve Clearance Adjustment (SR20DE) (Cont'd)

  1. 4
    Measure difference in level (T1) between sliding surface of rocker arm guide against rocker arm and valve stem end on shim side with valve, valve spring, collet, retainer and rocker arm guide installed to the head (Except shim).
    When measuring, lightly pull dial indicator rod toward you to eliminate play in Tool (KV10115700).
    Illustration showing a dial gauge measuring the difference in level between sliding surface of rocker arm guide against rocker arm and valve stem end on shim side; arrow labelled 'Pull'. Labels: 'Pull', 'Rocker arm guide', 'Valve spring retainer', 'Valve'.
    SEM654D
  2. 5
    Select a shim having a thickness (T) that makes -0.025 mm (-0.0010 in) <= [(T) - (T1)] <= 0.025 mm (0.0010 in).
    Shims are available in 17 different thicknesses ranging from 2.800 mm (0.1102 in) to 3.200 mm (0.1260 in) in increments of 0.025 mm (0.0010 in).
    Illustration of a shim showing the thickness identification marking (e.g. '28') stamped on it and dimension T. Labels: 'Indicate T = 2.800 mm (0.1102 in)', 'Shim'.
    SEM096D

SR20DET

Valve Clearance Adjustment (SR20DET)

  1. 1
    Remove rocker cover.
  2. 2
    Remove all spark plugs.
Support our work!

See also

S.D.S.

Search Manual

Search pages, specs, and procedures