KRYOTEC ENGINE
174
10. While using holding tool 1871008600 (1a)
remove the exhaust idler gear bolt (1b).
11. Remove the idler gears (1) from the camshafts.
12. Using a suitable punch, extract the intake
camshaft (1a) and the relative cap (1b).
13. Using a suitable punch, extract the exhaust
camshaft (2a) and the oil seal (2b).
14. To determine if the upper head has to be
replaced, or the camshafts are worn, take the
measurements shown below.
• Check that the diameter of the pins of the
camshaft is within the prescribed values;
otherwise, replace the camshaft due to being worn.
Pin diameter
measurement
Specification Range
(mm)
1
43.600 - 43.615
2
43.400 - 43.415
3
43.200 - 43.215
4
43.000 - 43.015
5
30.000 - 30.015
• Check that the nominal lift of the camshafts is
within the prescribed values; otherwise, replace the
camshaft due to being worn.
Camshaft lobes
measurement
Specification (mm)
Intake
8.5
Exhaust
8.0
15. Make sure the camshaft journals (1) is within
the prescribed values; otherwise, replace the upper
head only.
Camshaft journal
measurement
Specification Range
(mm)
1
43.646 - 43.671
2
43.446 - 43.471
3
43.246 - 43.271
4
43.046 - 43.071
5
30.045 - 30.070




