heater hose routing ?
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heater hose routing ?
I have a recently acquired 1996 F150 4.9 L / 5 speed . I've been having overheating issues and had to replace the thermostat housing , and the thermostat recently . I'm not sure I put the heater hoses back on correctly ? If you stand in front of the truck , hood open and look at the heater hoses as they come out of the firewall , which hose ( the one on the left or the one on the right ) goes to the thermostat housing ? I'm not sure it would make a difference but would like to know it's correct ! Help this old newbie , please !
Fleet Owner
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From: Easton,Ks
The heater hoses do not go to the thermostat housing. The by-pass hose from the water pump goes there.
The left and right in the photo are your left and right facing the radiator and not drivers left and right.
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The left and right in the photo are your left and right facing the radiator and not drivers left and right.
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just put a thermostat in my truck yesterday 95 4.9 5sp. the hose on the left when viewing from the front (fender side hose ) goes to the thermostat housing mine had a original ford stat in it and the antifreeze looked like creek mud running out had to flush forever to get clear water to run out
Fleet Owner
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From: Easton,Ks
I changed the image and if he looks at the Thread again he will see the old Image unless he clicks on reload on his computer.
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heater hose ?
Thanks , subford ! I do see the new image . The old image definitely was different . The new image shows the hose from the thermostat housing going to the right hose connection on the firewall . 4x4 stepside said his had the thermostat housing hose going to the left side connection ? Does it really make a difference ? If you hook it up backward , the flow through the heater core would go in a reverse direction , would that hurt anything ? Most newer vehicles have a valve that shuts off water flow to the heater core when the a/c system is activated . I don't see any evidence of that valve on my pickup ( unless it's in the cab under the dash ) ? So if it doesn't have this valve , would the direction of flow through the heater core matter ? This is all new to me guys and just want to get it right . I truly appreciate your help
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Fleet Owner
Joined: Aug 2005
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From: Easton,Ks
The new image is from the 1996 shop manual.
Most newer vehicles have a valve that shuts off water flow to the heater core when the a/c system is activated . I don't see any evidence of that valve on my pickup ( unless it's in the cab under the dash ) ? So if it doesn't have this valve , would the direction of flow through the heater core matter ? This is all new to me guys and just want to get it right . I truly appreciate your help
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