RAM 2500 Truck 2WD L6-5.9L DSL Turbo VIN 7 (2001)
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.
Do not waste reusable coolant. If the solution is clean, drain the coolant into a clean container for reuse.
1. Disconnect the battery negative cables.
2. Drain cooling system until coolant level is below thermostat.
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 HPC20) 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.
3. Remove radiator hose clamp and hose from thermostat housing.
4. Remove the three (3) water outlet-to-cylinder head bolts and remove the water outlet connector.
5. Clean the mating surfaces of the water outlet connector and clean the thermostat seat groove at the top of the thermostat housing.
INSTALLATION
1. Install the thermostat into the groove in the top of the thermostat housing.
2. Install the water outlet connector and bolts. Tighten the bolts to 24 Nm (18 ft. lbs.) torque.
3. Install the radiator upper hose and clamp.
4. Fill the cooling system with coolant.
5. Connect the battery negative cables.
6. Start the engine and check for coolant leaks. Run engine to check for proper thermostat operation.
