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Cylinder Head: Installation

CAUTION: Do not slide cylinder head on block as locating dowels may cause damage to gasket surface.

Install cylinder head and new gasket and tighten cylinder head bolts in sequence, taking two or three steps. Reverse removal procedure for remaining components. See CAMSHAFT .

Fig 1: Cylinder Head Tightening Sequence
G09326245Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
VALVES

Engine & Valve Head Diam. In. (mm) Face Angle Seat Angle Seat Width In. (mm) Stem Diameter In. (mm) Stem Clearance In. (mm) Valve Lift In. (mm)
1969-71 8R-C              
  Int. 1.687-1.699 45° 45° .05-.06 .3140-.3144 .0010-.0022 ......
  (42.84-43.15)     (1.2-1.6) (7.975-7.985) (.0254-.0058) ......
  Exh. 1.333-1.345 45° 45° .05-.06 .3132-.3140 .0014-.0030 ......
  (33.85-34.16)     (1.2-1.6) (7.955-7.976) (.0356-.0762) ......
1972-73 18R-C              
  Int. 1.608-1.620 45° 45° .05-.06 .3140-.3144 .0010-.0022 ......
  (40.84-41.15)     (1.2-1.6) (7.975-7.985) (.0254-.0058) ......
  1.411-1.423 45° 45° .05-.06 .3132-.3144 .0014-.0030 ......
  Exh. (35.84-36.14)     (1.2-1.6) (7.955-7.976) (.0356-.0762) ......