240 L4-2320cc 2.3L SOHC VIN 83 B230FD (1993)
Install the E PROM cover. It must be securely closed.
Install the control unit cover carefully.
Bend the tabs down using ESD-approved pliers.
Caution:
To avoid damaging internal components, do not press on the case with excess force. Do not under any condition pound or hammer on the control unit
or place it in a vise.
Make sure that the cover is secure and all tabs are tight.
Place a new Volvo label with the proper control unit P/N over the old label. Leave part of the old label visible (10-digit Bosch number); however, cover
the bar code. (See illustration)