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Re: Heater core hose bibb broke off at fire wall in
If the copper/metal hose broke free from the heater core, the heater core will need to be removed and replaced. let me know what size engine and I can send you the removal procedures. Big job!!
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Recover refrigerant from A/C , drain the coolant out of the radiator , In the engine compartment remove heater hoses an A/C hoses going into the fire wall . Remove the dash then remove the heater / A/C box 2003 Pontiac Vibe Heater core removal This is just to give you an idea what's up !
2.3l, 4 cyl.
If you need to replace the heater core it's really easy. Maybe 30 mins if you know what your doing. Remove the hoses (truck cold) from the heater core in the engine compartment (reclaim excess coolant that comes out). Remove screws from the passenger compartment fire wall area (inside), remove and reinstall heather core. Replace lost coolant. It's that simple.
Typically you will find the heater core sits inside the dash just inside the fire wall of the engine compartment, from the engine bay you can follow the water lines from the cooling system and water pump that go back to the fire wall and through to the heater core, find those to hoses together and the heater core is on the other side under the dash, usually under passenger side under dash behind the heater box, they are usually labor intensive to pull, and some require pulling the dash partly off etc.
On the fire wall of the engine compartment you will find 2 rubber hoses connected to 2 Brass or Aluminum pipes that stick out of the engine firewall, loosen the clamps and remove those hoses, one hose and pipe is smaller than the other hose and pipe, force water with a garden hose through the smaller pipe to "backflush the heater core. Below is a picture of the core and the pipes that come out in the engine compartment to give you an idea what to look for, I have also provided a picture of the heater hoses from the engine.
your firewall is between your engine compartment and the inside of your vehicle so if your out side with hood popped then the wall in the back is your fire wall hope this helps good luck
You will have to drain all engine coolant.Disconnect your battery and your two heater core hoses that are on the fire wall in the engine compartment.Now inside the car start removing your dash.one dash is removed you will have to open you heater box to gain access to the heater core once you have gain access remove and replace.Now start replacing heater boxes dash board and reconnect heater core hoses and reconnect battery.Now top up your engine cooling system with the engine antifreeze drained you should have a extra jug of coolant in case you spilled or just needed it to top up.Now start car make sure coolant is full when cooling fans come on put rad cap on you have completed the replacement of your heater core.
http://www.chiltonlibrary.com/ContentViewer/CVFrameset.aspx
Here is a link for you if you want to replace the heater core your self with common tools. As for the heater hose, you should see two small radiator hose going to the fire wall. You can disconnect the hose from the fire wall and connect them together, this will by pass the heater core till you replace the bad core. Good luck and keep me posted, be glad to know your expedition is running 100% again.
The heater is located under the dash board to the right and down from the radio. To remove and replace it you will have to remove the dash board down to the fire wall. Also, you will have to disconnect two hoses that connect up to it from the engine compartment. These are located in the back of the engine and down on the firewall about midway. Once you remove the dash board and locate the heater core you will be able to see the location of these two hoses. Removing the heater core is time consuming but it will save you about 700 dollars.
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