Remove the protective cover over the starter motor

WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Idle Air Trim With Lower Charge Air Pipe, Lower Radiator Hose, Starter Motor Protective Cover And Battery Negative Lead

Courtesy of VOLVO CARS OF NORTH AMERICA.

idle air trim together with lower charge air pipe
lower radiator hose, from engine
the protective cover over the starter motor
battery negative lead, from engine and wheel arch (also from transmission on automatic)

Car with manual transmission:

clutch slave cylinder snap ring
NOTE:
(Ensure that the piston does not slide out)
slave cylinder from gear box