2005 Pontiac Montana SV6 "flush hoses front heater core" Questions

...located above heater core and it's housing. You will have to remove bottom console to access it. Get the heater core flushed for the front heater,if the valve in the upper heater hose actually

flush on the hoses leading to the heater core. under the hood there are 2 hoses side by side on the fire wall, find the other ends and detach them, get a garden hose and back wash the core in reverse,

...flush the core, take both hoses off at the firewall or off at where they fit on the engine, and put a garden hose into the outlet-flush it backwards-run until clear-let the water run to ground or use ...

...flush kit. My question is which heater hose is the inlet, top or bottom? I don't know if top or bottom, but the heater core inlet will be the hose coming from either the intake manifold or a fitting ...

...heater cores are restricted it could be hard to flush under normal flushing, recommend pulling the hoses at the core itself and back flushing it both directions several times. See if that will

...hoses going to the front heater core. if only one hose is hot then you either have a plugged up heater core or an air bubble trapped in it not letting water circulate. You might try loosening the top ...

...front at all You might want to try back flushing the heater core.This is probably your problem.If you know where the heater hoses go into the back wall of the engine compartment then feel the ...

...flush again for a minute or so.You now have flushed your heater core and when you reattach the heater hoses,you might find you have restored a lot of the heating ability.  Of course,if your ...

...hoses to front and rear units and use a water hose to flush, do this good, start withfront one stick hose on one hose and see what comes out the other end of the core, then which to other end of the ...

...Front blows cool air. Checked the heater hoses and one is warm and the other is hot. Thermostat has been replaced and the system flushed to check for possible debris. What could be the problem? I was ...