heater core swap....
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heater core swap....
What all is involved? What tools will I need? I rolled over my wife's jeep cherokee some months back and lost several tools out of my 2 duffle bags when stuff went flying. We only have one ride so once I tear into this I am going to be stuck here.
Thanks in advance,
Brent
Thanks in advance,
Brent
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Joined: Aug 2003
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From: Chestermere,Alberta
It is a simple procedure that should only take an hour or so.Remove glove box door.You will look through the area that the glove box was and see and access door held on by 10 or so screws.Remove screws and pull off door.Next remove hoses from heater core and remove heater core from inside cab.Reverse for install.Bleed cooling system and heater core.Done.
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From: Chestermere,Alberta
The Mustang you have to pull the dash out. A lot more involved.But 2 days seems like a long time.It only pays 6 hours to do it.Should have been done in 4 hours or half a day.
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Wife is on the way to advance to buy it... Where will I locate these dash screws? Are they phillips? i reckon they fail pretty easy since advance has 8 in stock...
Brent
Brent
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Ok, my turn to sound like the village idiot (again, maybe). What difference does it make which direction the coolant flows through the heater core? I mean, if the flow is backward, does that turn it into an air-conditioner? (being sarcastic, sorry). Doesn't really matter. Pump hot coolant through it, blow air across it to warm the air, return the coolant to the main system. I don't think it will matter whether the coolant goes from left to right or up instead of down. There is no check valve in that core, otherwise, it would be pretty difficult to clean it out with a garden hose. I'd really like to see someone elses theory on why it matters which hose goes where, unless, of course, they're different diameter hoses. That would make a difference.
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From: Sweetwater Texas
Originally Posted by Old_Paint
Ok, my turn to sound like the village idiot (again, maybe). What difference does it make which direction the coolant flows through the heater core? I mean, if the flow is backward, does that turn it into an air-conditioner? (being sarcastic, sorry). Doesn't really matter. Pump hot coolant through it, blow air across it to warm the air, return the coolant to the main system. I don't think it will matter whether the coolant goes from left to right or up instead of down. There is no check valve in that core, otherwise, it would be pretty difficult to clean it out with a garden hose. I'd really like to see someone elses theory on why it matters which hose goes where, unless, of course, they're different diameter hoses. That would make a difference.
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Joined: May 2007
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From: Solon, Ohio
It definatelly makes a difference in efficiency.
You want the coldest air in the flow to go over the coolest part of the coils and the warmest air in the flow to go over the warmest part of the coils.
The same reason a downdraft furnace is more efficient than an updraft system.
You want the coldest air in the flow to go over the coolest part of the coils and the warmest air in the flow to go over the warmest part of the coils.
The same reason a downdraft furnace is more efficient than an updraft system.
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Maybe I need to look a little closer at the construction of the heater core in this truck. Mine's never been out, so I have no idea what it looks like up close. But, if it's made like a mini radiator, I still question what difference it makes. This one I gotta see to believe. Guess I could just swap the hoses around on mine to see if it makes a difference. Someone got a pic of one they can post?
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Joined: May 2004
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From: Lakewood, Ohio
Originally Posted by Old_Paint
Ok, my turn to sound like the village idiot (again, maybe). What difference does it make which direction the coolant flows through the heater core? I mean, if the flow is backward, does that turn it into an air-conditioner? (being sarcastic, sorry). Doesn't really matter. Pump hot coolant through it, blow air across it to warm the air, return the coolant to the main system. I don't think it will matter whether the coolant goes from left to right or up instead of down. There is no check valve in that core, otherwise, it would be pretty difficult to clean it out with a garden hose. I'd really like to see someone elses theory on why it matters which hose goes where, unless, of course, they're different diameter hoses. That would make a difference.
mine are on the way the ford service manual says and the heater works fine.
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little more help please...
Okay old one is out... I didn't loosen dash and chipped off one part of the lip on the box with an alingment pin... How many screws and where at too loosen the dash some to put in new one? This mexirican new core don't have brazed tubes! They are just crimped into nipples so I don't want to wrench them at all going in...
After lookin' at it I see no reason to worry about which hose goes where...
brent
After lookin' at it I see no reason to worry about which hose goes where...
brent