RAM 3500 Truck 4WD V8-360 5.9L VIN 5 Magnum (1998)
Thermostat Bypass Hose: Service and Repair
Without Air Conditioning
REMOVAL
Water Pump Bypass Hose-Typical
A water pump bypass hose is used between the intake manifold and water pump on all gas powered engines. To test for leaks, refer to Testing Cooling
System for Leaks.
1. Partially drain cooling system. Refer to Draining Cooling System.
2. Do not waste reusable coolant. If the solution is clean, drain the coolant into a clean container for reuse.
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) 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. Loosen both bypass hose clamps and position to the center of hose.
4. Remove hose from vehicle.
INSTALLATION
1. Position bypass hose clamps to the center of hose.
2. Install bypass hose to engine.
3. Secure both hose clamps.
4. Fill cooling system.
5. Start and warm the engine. Check for leaks.
