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.
Remove both heater hoses from inlet & outlet of heater core. Connect these hoses together.
I don't know about the outside diameter of the hoses but, the outside diameter of the heater core inlet and outlet tubes are 3/4" (inlet) and 5/8" (outlet).
Disconnect the inlet and outlet hoses to the heater and couple them together Or, if the hoses are the same size, remove one completely, and disconnect the other from the heater core, then connect it to the other engine outlet (or inlet, as the case may be).
On the firewall, under the hood, you will find the inlet and outlet hoses.
Upper and lower radiator, inlet and outlet heater core, bypass,Upper and lower radiator, inlet and outlet heater core, bypass,
It depends on the vehicle you have. In many cases (but not all) the inlet hose is smaller than the outlet hose.
Couple inlet and outlet hoses together
Simple, take the inlet and outlet hoses going to and from the heater core and connect them together.
Disconnect heater core inlet and outlet hoses - couple them together
No it will not, it will just back flush the heater core and clean it out.
2 - inlet & outlet
On a 2003 Bonneville, the hose to the water pump that is the heater inlet hose is the top hose coming from the radiator. This is also the hose that holds the thermostat.
Heater inlet hose on a 99 subaru legacy is on the passenger side coming out of the fire wall. One of only 2 hoses coming out of the fire wall.
join the inlet and outlet hoses together.
Simply disconnect the heater hoses going to and from the heater, (Inlet & Outlet) at the firewall. Purchase the proper size hose coupling that will allow you to connect the 2 hoses together. Do not plug these hoses, just connect them together. The coolant will now not flow through the heater core.
Start the truck. Turn on the heater. Hold both hoses in your hands. The first one to feel warm is the inlet.
You will see 2 heater hoses connected to the firewall. These are the inlet & outlet hoses going to the heater core. Disconnect them and then connect them together with a coupler. This will bypass the heater core.
Run your vehicle with the heater on. Let it warm up. Shut it off, then open up your hood. You'll see two heater hoses running into the firewall. The hot one will be your inlet line.
The hose that leads to the water pump area is the return.
2 hoses total, Upper and lower radiator hose. There is also 2 heater hoses, an inlet and outlet hose.
Find inlet and outlet hoses under hood usually on the passenger side and disonnect them from heater and tie them together with a coupling and clamps
You don't need a diagram. Just remove the inlet and outlet heater hoses going from the engine compartment to the heater core. Now connect these two hoses together using a coupler. Do not just plug these hoses, or the engine will overheat, connect them together as described.
NO. Bypass the heater core by connecting the Inlet & Outlet hoses going to the heater core together. Do not plug either hose.
Locate hoses under hood that go to the heater core. there should be 2. They are rubber hoses, smaller than the radiator hoses. after you have located them, leave hood open, start the car. Feel the hoses as the car warms up, one hose is an inlet to the heater core, one hose is an outlet. if one hose gets hot and the other does not, then the heater core is restricted, and may need replaced or flushed.