Release 00 - 11/2018
page 54
Engine WBE 170
Workshop Manual
16. ENGINE BLOCK - Overhauling internal parts
6 - Check the free length of the spring (40) and if it
is less than 34.50 mm replace the spring.
7 - When mounting:
- carefully clean the valve guides and housings of
any foreign body;
- apply a lm of oil on the valve stems before inser-
ting them in their respective housings;
- ensure the proper position of the intake valve and
exhaust valve, which can be notice by the different
sizes (Intake: larger, Exhaust: smaller).
8 - Reassemble the intake valves
40
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