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Valve Stem Installed Height Kia Sephia I facelift

Mechanical 1 illustration
  1. After servicing valves, measure valve stem installed height. See «VALVE INSTALLED HEIGHT»(ref-49509-S23412566662001011500000). (Scheme 13) If installed valve height is within standard specification, no adjustment is necessary.
  2. If installed valve height exceeds standard specification but does not exceed service limit specification, install adjusting shim on spring seat to bring installed height back within standard specification.
  3. If valve stem installed height exceeds specification, replace valve. If valve stem installed height still exceeds limit, replace cylinder head. See «VALVE INSTALLED HEIGHT»(ref-49509-S23412566662001011500000).

Scheme 13

Scheme 13
Scheme 13
ApplicationIn. (mm)
1.6L DOHC
Intake & Exhaust Valve
Standard1.737-1.771 (44.1-45.0)
Service limit(1) 1.772-1.830 (45.1-46.5)
Beyond Limit(2) 1.831 (46.5)
1.8L DOHC
Intake & Exhaust Valve
Standard1.772-1.791 (45.0-45.5)
Service limit(1) 1.792-1.830 (45.5-46.5)
Beyond Limit(2) 1.831 (46.5)
(1) If installed height exceeds specification, adjust with washer on spring seat area of cylinder head. (2) If installed height exceeds specification, replace cylinder head.
(1)If installed height exceeds specification, adjust with washer on spring seat area of cylinder head.
(2)If installed height exceeds specification, replace cylinder head.

VALVE INSTALLED HEIGHT