RAM 3500 Truck 4WD V10-8.0L VIN W (1997)
Thermostat: Service and Repair
Removal
WARNING: DO NOT LOOSEN THE RADIATOR DRAINCOCK WITH THE SYSTEM HOT AND PRESSURIZED. SERIOUS BURNS
FROM THE COOLANT CAN OCCUR.
NOTES:
^
Do not waste reusable coolant. If the solution is clean, drain the coolant into a clean container for reuse.
^
If 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 thermostat.
1. Disconnect negative battery cable at battery.
2. Drain cooling system until coolant level is below thermostat.
3. Remove the two support rod mounting bolts and remove support rod (intake manifold-to-generator mount).
WARNING: CONSTANT TENSION HOSE CLAMPS ARE USED ON MOST COOLING SYSTEM HOSES. WHEN REMOVING OR
INSTALLING, USE ONLY TOOLS DESIGNED FOR SERVICING THIS TYPE OF CLAMP, SUCH AS SPECIAL CLAMP TOOL
(NUMBER 6094). SNAP-ON CLAMP TOOL (NUMBER HPC-20), OR EQUIVALENTS MAY BE USED FOR LARGER CLAMPS.
ALWAYS WEAR SAFETY GLASSES WHEN SERVICING CONSTANT TENSION CLAMPS.
CAUTION: A number or letter is stamped into the tongue of constant tension clamps. If replacement is necessary, use only an original equipment
clamp with a matching number or letter.
4. Remove upper radiator hose clamp. Remove upper radiator hose at thermostat housing.
5. Disconnect the wiring connectors at both of the sensors located on thermostat housing.
6. Remove six thermostat housing mounting bolts, thermostat housing and thermostat.
