One goes from the heater core to the water pump, the other goes from the heater core to the intake manifold.
Just un hook the hose's from heater core and put a piece of pipe in them or something and hook them together.
The Chevy heater hose removal tool is a plastic piece that clamps around the hose. The tool slides into the fitting to release the hose.
If it's the one in the engine bay you talking about, there is one that connects to the heater tap on joint to the heater hose.
removal of heater hose from engine to fire wall
Cool the heater hose and then gently take it off
To hook up a heater hose to a 305 engine block, first locate the heater hose fittings on the engine, typically found near the intake manifold or water pump. Attach one end of the heater hose to the fitting on the engine block, ensuring a snug fit, and secure it with a hose clamp. Connect the other end of the hose to the heater core fitting in the firewall, again using a clamp for security. Make sure to check for leaks after the connection is complete.
Generally, the upper heater hose leads to the water pump.
to engine and rad
The heater inlet hose is on the firewall. On the 2002 Silverado it is close to the bottom of the firewall on the passenger side.
On a 1997 Chevy truck, the heater hoses connect to the heater core, which is located inside the dashboard. The two hoses run from the engine's water pump and thermostat housing to the firewall, where they connect to the inlet and outlet ports of the heater core. Typically, the hose coming from the engine connects to the inlet side of the heater core, while the other hose returns to the engine's cooling system. Always ensure the connections are secure to prevent leaks.
It should hook on the small hose or what they call the low side. Some in that year have hook up on dyer.
That hose goes to your heater core, follow the hose to passenger side of the firewall.