The heater hoses on a 305 engine run from the intake manifold to the heater core and the heater core to the radiator. This creates a constant source of heat to supply the heater.
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∙ 2014-07-02 19:50:15With the vehicle warmed up and running feel both heater hoses with your hands. If one is hot and the other is luke warm or cold, the heater core needs to be flushed by itself. Flushing the whole system doesn't unclog the heater core. Disconnect both heater hoses from the engine, fabricate a fitting to attach a garden hose to one of the hoses. Direct the other hose into a container and gently turn on the water until the water runs clear, then reverse hoses and run again until clear. Reattach hoses to engine and refill reservoir.
generally if anti freeze is leaking into car this indicates that the heater core is worn out and has a hole you need to replace heater core ,or lift the hood and disconect the heater hoses join the hoses together with small pipe and 2 hose clamps and the leak will stop But the heater will not work
If you are smelling the sweet but unpleasant aroma of antifreeze, your vehicle is leaking it somewhere. A lot of the time the culprit is the water pump. They have a weep hole and when the bearing starts to fail it will begging leaking from this hole. I would start by getting myself a flashlight and start scanning your engine's water hoses for a leak. Check the mail hoses going to/from the radiator as well as the heater hoses leading to the firewall. Do you smell the antifreeze odor INSIDE the car? If so, it could be your heater core that's failing.
With the cooling system completely empty (radiator, heater, engine block, hoses, reservoir) the system holds 9.2 US qts.If you only drain the radiator, aprox 4 US qts should do it.
There are different types of block heaters. You can place a magnetic heater on the engine block, transmission pan, or on the oil pan. A hot pad heater can also be placed on the oil pan or transmission pan. An external engine oil reservoir heater is plumed into the oil supply and pumps the oil through the heater and keeps it at a set temperature. A freeze plug type heater is installed by removing one of the freeze plugs and replacing it with this heater. It then heats the coolant, thus keeping the engine warm. Then there is the lower radiator hose heater that also keeps the coolant warm. And there is also the dipstick tube type heater that you simply install by removing the engine oil dipstick and replacing it with this type heater. There are multiple variations of all these type heaters.
Begin by removing the water supply hoses from your 1989 Chevy heater core. Remove the heater core retaining bolts. The heater core can be removed.
The heater hoses connect the block, radiator, heater core, and waterpump. To replace, drain the radiator and catch the anti-freeze for recycling. Remove the hoses and put on new hoses. It is kind of nasty but not very difficult.
Follow the heater hoses from the engine, they will lead you the heater core.
In line on the heater hoses on the passenger side of the engine. Has a small vacuum line to it and both heater hoses go through it. The heater hoses are smaller than the radiator hoses and go through the firwall.
the large hoses feed your heater core to warm your car
the heater hoses are on the left side of the engine and will be two next to each other on the fire wall
There are hoses in the engine compartment that go to the heater core. You can remove the intake and out going hoses from the heater core. You have to either block off these hoses or connect them together, depending on the make of the vehicle.
Depends on the vehicle and somtimes engine size. B Clear.
Behind the dashboard, usually on the passenger side. Look in the engine compartment for the hoses that go from the engine through the firewall. Those are generally the heater hoses, which go to the heater core.
Follow the heater hoses from the engine. They will lead right to the heater core.
no heat can be caused by,blocked heater core insufficient coolant in engine blocked heater hoses from engine to heater core bad heater thermostat bad thermostat in engine bad heater control switch
Could be a problem with the thermostat housing or it's gasket, could be a problem with intake manifold gaskets, could be a problem with heater hoses or the fittings that screw into the manifold.