Service Data and Specifications (S.D.S.) - Inspection and Adjustment (Cont'd)
EM-254spec tableValve seat diameters (A-G) differ by engine variant (GA13DS / GA14DS / GA16DS-GA16DE).
Inspection and Adjustment (Cont'd)
Valve seat
Valve seat dimensions - Unit: mm (in)
A
GA13DS23.9 - 24.1 (0.941 - 0.949)
GA14DS26.4 - 26.6 (1.039 - 1.047)
GA16DS & GA16DE27.4 - 27.6 (1.079 - 1.087)
B
GA13DS26.0 - 26.2 (1.024 - 1.031)
GA14DS28.5 - 28.7 (1.122 - 1.130)
GA16DS & GA16DE29.5 - 29.7 (1.161 - 1.169)
C
GA13DS27.7 - 27.9 (1.091 - 1.098)
GA14DS30.2 - 30.4 (1.189 - 1.197)
GA16DS & GA16DE31.9 - 32.1 (1.256 - 1.264)
D
GA13DS28.000 - 28.016 (1.1024 - 1.1030)
GA14DS30.500 - 30.516 (1.2008 - 1.2014)
GA16DS & GA16DE31.500 - 31.516 (1.2402 - 1.2408)
E
GA13DS21.0 - 21.2 (0.827 - 0.835)
GA14DS23.5 - 23.7 (0.925 - 0.933)
GA16DS & GA16DE23.5 - 23.7 (0.925 - 0.933)
F
GA13DS22.7 - 22.9 (0.894 - 0.902)
GA14DS25.2 - 25.4 (0.992 - 1.000)
GA16DS & GA16DE25.2 - 25.4 (0.992 - 1.000)
G
GA13DS23.000 - 23.016 (0.9055 - 0.9061)
GA14DS25.500 - 25.516 (1.0039 - 1.0046)
GA16DS & GA16DE25.500 - 25.516 (1.0039 - 1.0046)
| Specification | Value |
|---|---|
| Intake valve seat contact widthStandard / Oversize | 1.34 - 1.63mm (0.0528 - 0.0642 in) |
| Exhaust valve seat contact widthStandard / Oversize | 1.70 - 2.12mm (0.0669 - 0.0835 in) |
| Intake valve seat depth | 5.9mm (0.232 in) |
| Exhaust valve seat depth | 5.65mm (0.2224 in) |
Intake valve seat contact widthStandard / Oversize
1.34 - 1.63mm (0.0528 - 0.0642 in)
Exhaust valve seat contact widthStandard / Oversize
1.70 - 2.12mm (0.0669 - 0.0835 in)
Intake valve seat depth
5.9mm (0.232 in)
Exhaust valve seat depth
5.65mm (0.2224 in)