Cylinder Head - Inspection (Cont'd)
EM-115prose procedureCamshaft cam height standard differs between SR20DE and SR20DET (intake/exhaust). Cam wear limit identical for both.
Inspection (Cont'd)
Camshaft Cam Height
- 1Measure camshaft cam height.
SEM549A - 2If wear is beyond the limit, replace camshaft.
Camshaft Cam Height (Unit: mm (in))
Standard cam height - Intake
SR20DE38.408 - 38.598 (1.5121 - 1.5196)
SR20DET38.648 - 38.838 (1.5216 - 1.5291)
Standard cam height - Exhaust
SR20DE37.920 - 38.110 (1.4929 - 1.5004)
SR20DET38.648 - 38.838 (1.5216 - 1.5291)
Cam wear limit - Intake & Exhaust
SR20DE0.20 (0.0079)
SR20DET0.20 (0.0079)
Camshaft Journal Clearance
- 1Install camshaft bracket and tighten bolts to the specified torque.
- 2Measure inner diameter of camshaft bearing. Standard inner diameter: 28.000 - 28.021 mm (1.1024 - 1.1032 in)
SEM927C - 3Measure outer diameter of camshaft journal. Standard outer diameter: 27.935 - 27.955 mm (1.0998 - 1.1006 in)
SEM012A - 4If clearance exceeds the limit, replace camshaft and/or cylinder head. Camshaft journal clearance: Standard 0.045 - 0.086 mm (0.0018 - 0.0034 in); Limit 0.12 mm (0.0047 in)
Camshaft End Play
- 1Install camshaft in cylinder head.
- 2Measure camshaft end play. Camshaft end play: Standard 0.055 - 0.139 mm (0.0022 - 0.0055 in); Limit 0.20 mm (0.0079 in)
SEM002D
