Volvo D20 - Page 66

Group 21 Reconditioning engine
Assembfy
64
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J19
Install valve cover
If necessary install new gaskets.
Three different types
of assemblies are in use:
Type
1.
Pin stud with out spacer, gaskat stud hale = 6 mm
1 0.24 in) diameter.
Type 2.
Pin stud
with spacer, gaskat stud hote = 8.5 mm
(0 . 33 in) diameter.
Type
3.
Pin stud without spacer, stud hales in valve cover
are countersunk, gasket stud
hale diameter = 8.5
mm (0.33 in) diameter.
J20
Install front timing gear cover
Check both timing gear covers for loose parts etc.