Dodge 2000 DURANGO Service Manual page 243

DN
REMOVAL AND INSTALLATION (Continued)
Fig. 63 Draincock Assembly
1 – BODY
2 – SEAL
3 – STEM
(2) Using a pair of needle nose pliers, compress
draincock body and pull straight out of radiator (Fig.
64).
Fig. 64 Draincock Body Removal
1 – DRAINCOCK BODY
2 – NEEDLE NOSE PLIERS
INSTALLATION
(1) Install draincock stem loosely into body (Fig.
65). The draincock assembly cannot be installed if
stem is threaded into the body.
(2) Push draincock assembly into opening in radi-
ator tank. It will snap into place when fully seated.
(3) Tighten draincock (clockwise) to 2.0 to 2.7 N·m
(18-25 in. lbs.) torque.
Fig. 65 Draincock Assembled for Installation
1 – STEM
2 – BODY LOOSE ON STEM
VISCOUS FAN DRIVE
REMOVAL
(1) Disconnect battery negative cable.
(2) The thermal viscous fan drive/fan blade assem-
bly is attached (threaded) to water pump hub shaft
(Fig. 67). Remove fan blade/viscous fan drive assem-
bly from water pump by turning mounting nut coun-
terclockwise as viewed from front. Threads on
viscous fan drive are RIGHT HAND. A Snap-On 36
MM Fan Wrench (number SP346 from Snap-On
Cummins Diesel Tool Set number 2017DSP) and Spe-
cial Tool 6958 Spanner Wrench with Adapter Pins
8346 can be used to hold the pulley still. (Fig. 66) to
prevent pulley from rotating.
(3) Do not attempt to remove fan/viscous fan drive
assembly from vehicle at this time.
(4) Do not unbolt fan blade assembly (Fig. 68)
from viscous fan drive at this time.
(5) Remove upper fan shroud attaching hardware
(Fig. 69).
(6) Remove upper fan shroud and fan blade/viscous
fan drive from vehicle.
(7) After removing fan blade/viscous fan drive
assembly, do not place viscous fan drive in horizon-
tal position. If stored horizontally, silicone fluid in
the viscous fan drive could drain into its bearing
assembly and contaminate lubricant.
(8) Remove four bolts securing fan blade assembly
to viscous fan drive (Fig. 68).
INSTALLATION
(1) Install fan blade assembly to viscous fan drive.
Tighten bolts (Fig. 68) to 23 N·m (17 ft. lbs.) torque.
(2) Position fan blade/viscous fan drive assembly
and upper shroud into vehicle.
COOLING SYSTEM 7 - 41