Dell Precision T5400 (Late 2007) - Manual (Page 283)

Adding and Replacing Parts 283
9 Disconnect the front fan from the connector labeled FAN_FRONT on the
system board (see "System Board Components" on page 28.)
10 If the system is in tower mode, pull to remove the full-length card retainer
piece beside the card fan.
11 Disconnect the Power1 and Power2 connectors from the system board (see
"System Board Components" on page 28).
12 Remove the cables from the cable guide on the front fan.
13 Press the tab between the card fan and the front fan towards the card fan
as you lift it up and out of the computer.
14 Unscrew the fan case and lift to remove it from the computer.
1 card fan 2 card fan cable
3 card fan system-board connector
(FAN_CCAG)
4 front fan
5 full-length card retainer piece
3
5
2 1
4