Asus P5KPL-AM/PS - Manual (Page 26)

1-14 Chapter 1: Product introduction
To uninstall the CPU heatsink and fan
1. Disconnect the CPU fan cable from
the connector on the motherboard.
2. Rotate each fastener
counterclockwise.
3. Pull up two fasteners at a time in a
diagonal sequence to disengage the
heatsink and fan assembly from the
motherboard.
A
A
B
B
A
A B
B
4. Carefully remove the heatsink and fan assembly from the motherboard.
1.6.3 Uninstalling the CPU heatsink and fan