Removing The Front Camshaft Seal: Preparation
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Stop the current supply by disconnecting the battery negative lead. First read Battery, disconnecting .
Remove the timing belt from the timing gear pulley for the camshafts. See Replacing the timing belt .
Check the tensioner and idler pulleys. See Replacing the timing belt .
Remove the camshaft position (CMP) sensor housings and the trigger wheels.