That's from the D2 workshop manual for Td5:
Refit
....
2. Fit starter ring gear, spacer and drive plate to
crankshaft, fit new bolts and working in a
diagonal sequence tighten to 40 Nm (30 lbf.ft),
then a further 90°.
CAUTION: Do not carry out stages 1 and 2 in
one operation