SYSTEM
7 - 45
t E M O V A L AND INSTALLATION (Continued)
Fig. 66 Bracket Bolts—3.9L
¥-6 or 5.2/5.9L ¥-8
LDC-Gas
Engines
Fig. 67 Bracket Bolts—5.9L HDC-Gas
Engine
(6) Install coolant return tube and its mounting
bolt to engine (Fig. 64) (Fig. 65).
(7) Connect throttle body control cables.
(8) Install oil dipstick mounting bolt.
(9) 3.9L V-6 or 5.2/5.9L V-8 LDC-Gas Engines:
Install idler pulley. Tighten bolt to 41 N-m (30 ft.
lbs.) torque.
(10) 5.9L HDC-Gas: Install automatic belt ten
sioner assembly to mounting bracket. A dowel pin is
located on back of tensioner (Fig. 68). Align this to
dowel hole (Fig. 69) in tensioner mounting bracket.
Tighten bolt to 41 N-m (30 ft. lbs.) torque.
BELT TENSIONER
DOWEL PIN
J9307-63
Fig. 68 Tensioner Dowel Pin—5.9L HDC-Gas
Engine
Fig. 69 Tensioner Mounting Bracket Dowel
Hole—5.9L HDC-Gas
Engine
(11) Install drive belt. Refer to Belt Removal/In
stallation in the Engine Accessory Drive Belt section
of this group.
CAUTION:
When installing the serpentine acces
sory drive belt, the belt must be routed correctly. If
not, the engine may overheat due to the water
pump rotating in the wrong direction. Refer to Belt
Schematics in the Engine Accessory Drive Belt sec
tion of this group for correct belt routing. The cor
rect belt with the correct length must be used.
(12) Install air cleaner assembly.
(13) Install upper radiator hose to radiator.