Chrysler RAM TRUCK 2500 1994 Service Manual page 286

THERMOSTAT
MACHINED GROOVE
J9207-14
Fig. 45 Thermostat—3.9L V-6 or 5.2/5.91 V-8 Gas
Engines
Fig. 46 Thermostat Position—3.9L V-6 or 5.2/5.9L
V-8 Gas Engines
(5) Install two housing-to-intake manifold bolts.
Tighten bolts to 23 N-m (200 in. lbs.) torque.
CAUTION: Housing must be tightened evenly and
thermostat must be centered into recessed groove
in intake manifold. If not, it may result in a cracked
housing, damaged intake manifold threads or cool­
ant leak.
(6) Install upper radiator hose to thermostat hous­
ing.
(7) Air conditioned vehicles:
(a) Install generator. Tighten bolts to 41 N-m (30
ft. lbs.) torque.
(b) Install support bracket (generator mounting
bracket-to-intake manifold) (Fig. 42). Tighten bolts
to 54 N-m (40 ft. lbs.) torque.
CAUTION: When installing the serpentine a c c e s s o r y
drive belt, the belt must be routed correctly. If not,
the engine may overheat due to the water pump ro­
tating in the wrong direction. Refer to Belt Schemat­
ics in the Engine A c c e s s o r y Drive Belt section of
this group for correct engine belt routing. The cor­
rect belt with the correct length must be used.
(8) Fill cooling system. Refer to Refilling Cooling
System i n this group.
(9) Connect negative battery cable to battery.
(10) Start and warm engine. Check for leaks.
THERMOSTAT REMOVAL—8*01 V-10 ENGINE
WARNING: DO NOT L O O S E N T H E RADIATOR
DRAINCOCK WITH T H E S Y S T E M HOT AND P R E S ­
S U R I Z E D . S E R I O U S B U R N S FROM T H E C O O L A N T
CAN O C C U R .
Do not waste reusable coolant. I f the solution is
clean, drain the coolant into a clean container for re­
use.
I f the thermostat is being replaced, be sure that
the replacement is the specified thermostat for the
vehicle model and engine type.
A rubber lip-type seal with a metal shoulder is
pressed into the intake manifold beneath the thermo­
stat (Fig. 47).
Fig. 47 Thermostat Seal—8.0L V-10 Engine
(1) Disconnect negative battery cable at battery.