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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 197 (Engine Mechanical - 1.8L) >> Engine Specifications >> Cylinder Head

Cylinder Head

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CYLINDER HEAD

Application Specification
Cylinder Head Height 4.638-4.646 In. (117.8-118 mm)
Maximum Warpage (1) .004 In. (.10 mm)
Valve Seats
Intake Valve
Seat Angle 45°15'-45°45'
Seat Width .042-.053 In. (1.06-1.34 mm)
Seat Bore Diameter (2) 1.2402-1.2408 In. (31.500-31.516 mm)
Exhaust Valve
Seat Angle 45°15'-45°45'
Seat Width .053-.064 In. (1.35-1.63 mm)
Seat Bore Diameter (2) 1.0433-1.0439 In. (26.500-26.516 mm)
Valve Guides
Valve Guide Cylinder
Head Bore I.D.
Standard .3730-.3739 In. (9.475-9.496 mm)
Service Limit .3813-.3817 In. (9.685-9.696 mm)
Valve Guide I.D. .2165-.2171 In. (5.500-5.515 mm)
Valve Guide Installed Height .453-.461 In. (11.50-11.70 mm)
Valve Stem-To-Guide
Oil Clearance
Intake .0008-.0020 In. (.020-.050 mm)
Exhaust .0016-.0028 In. (.040-.071 mm)
(1) Maximum resurface limit of cylinder head and/or cylinder block combined must not exceed .008 in. (.20 mm).
(2) Specification is for valve seat replacement.