Chrysler RAM TRUCK 2500 1994 Service Manual page 285

7 - 30 COOLING SYSTEM •
(2) Drain cooling system until coolant level is be­
low thermostat. Refer to Draining Cooling System i n
this group. I f not equipped with air conditioning, pro­
ceed to step number 4.
(3) I f equipped with air conditioning:
(a) Remove the support bracket" (rod) located
near the rear of generator (Fig. 42).
Fig, 42 Support Bracket—Generator Mounting
BrackeMo-lntake Manifold—Typical
(b) The drive belt must be removed. Refer to Belt
Removal/Installation i n the Engine Accessory Drive
Belt section of this group.
(c) The generator must be partially removed. Re­
move the two generator mounting bolts. Do not re­
move any wiring at. generator. I f equipped with
4WD, unplug the 4WD indicator lamp wiring har­
ness (located near rear of generator).
(d) Remove generator. Position generator to gain
access for thermostat gasket removal.
WARNING: CONSTANT TENSION H O S E C L A M P S
A R E U S E D ON MOST C O O L I N G S Y S T E M H O S E S .
WHEN REMOVING OR INSTALLING, U S E ONLY
T O O L S D E S I G N E D F O R S E R V I C I N G THIS T Y P E O F
CLAMP, S U C H A S S P E C I A L C L A M P TOOL (NUMBER
6094) (FIG. 43). SNAP-ON C L A M P TOOL (NUMBER
HPC-20) MAY B E U S E D F O R L A R G E R C L A M P S . A L ­
WAYS W E A R S A F E T Y G L A S S E S WHEN SERVICING
CONSTANT TENSION C L A M P S .
CAUTION: A number or letter is stamped into the
tongue of constant tension clamps (Fig. 44). If re­
placement is necessary, u s e only an original equip­
ment clamp with a matching number or letter.
(4) Remove upper radiator hose clamp. Remove up­
per radiator hose at thermostat housing.
(5) Position the wiring harness (behind the ther­
mostat housing) to gain access to thermostat hous­
ing.
HOSE CLAMP HOSE
J9207-36
Fig. 43 Hose Clamp Tool—Typical
TYPICAL
HOSE J
CLAMP
NUMBER/LETTER
LOCATION J9407-39
Fig. 44 Clamp Number/Letter Location
(6) Remove thermostat housing mounting bolts,
thermostat housing, gasket and thermostat (Fig. 45).
Discard old gasket.
INSTALLATION
(1) Clean mating areas of intake manifold and
thermostat housing.
(2) Install thermostat (spring side down) into re­
cessed machined groove on intake manifold (Fig. 45).
(3) Install gasket on intake manifold and over
thermostat (Fig. 45).
(4) Position the thermostat housing to the intake
manifold. Note the word FRONT stamped on the
housing (Fig. 46). For adequate clearance, this must
be placed towards the front of vehicle. The housing
should be slightly angled forward after installation to
intake manifold.