Checking before installing
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.
Check that the transmission and engine mating surfaces are absolutely clean.
Also check that the guide sleeves towards the engine are in position and are free of faults.
Lubricate the holes in the transmission (for the guide pins). Use a little grease.