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Re: I recently replaced my oil pan gasket in my 96 F150...
If you have the 4.6L engine the hoses both connect at the back of the engine on the right side to a black pipe and a silver pipe the silver pipe stands straight up and the black one is at about 45 degrees, generally speaking the heater hoses come from the water inlet and outlet to the core (firewall) the flow or direction of water travel does not matter one is in and the other out of the core, to be for 100% sure I would have to know what exactly engine you have. Hope this helps
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It sure sounds like the heater core, especially if you have water leaking inside the cabin. The two heater hoses only go from the engine to the firewall, and do not go into or through the firewall. They connect to the heater core right at the firewall.
Check carefully around the back side of the engine and the heater hoses, though. If a freeze plug is leaking, water will be dripping off the bottom of the engine. If it is leaking before the firewall, that would not be the heater core.
Is antifreeze coming from "weep" hole in bottom of case under shaft nose? is it coming from the heater hose (small hose coming of side and going into firewall to heater core inside engine compartment? is it coming from bad gasket between pump and front case?
get a paper towel and dry these areas then start engine. when it starts leaking that will tell you if you need to change the water pump (gasket leak or weep hole shaftseal leak) or if you just need to replace/repair heater hose.
figure out what type/size engine you have, call a dealer and ask for service department. ask them whether that engine has freeze plugs on the back of the block underneath the flywheel or ring gear. if not you may have a head gasket or heater hose leak which is dripping down through the bell housing presenting itself as coming via the oil pan gasket. there should be no water whatsoever in the oil pan and if there is you need to look around for a replacement used engine.
not oil pan but gasket remove oil pan scrape off all old gasket and put on new one the best thin to do is glue it on the oil pan first and let dry with bolt holes in line the glue it to block but this might no be the problem headgasket could leak oil pump gasket valve cover gasket
The heater core hoses go into the firewall area on the passenger side of the engine compartment,But I think you should look for the leak by adding water and with the engine running,watch to see if you can locate the leak,the location you are describing sounds more like a freeze plug or even the head gasket,But look and see first.
Place a pan under the van and disconnect the heater intake and outlet hoses. Quickly remove and plug the hoses and support them in an upright position. Drain the coolant from the heater core into the pan.
When draining engine coolant, keep in mind that cats and dogs are attracted to ethylene glycol antifreeze and could drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain coolant into a sealable container. Coolant should be reused unless it is contaminated or is several years old.
Remove the heater distributor duct-to-case attaching screws and the duct-to-engine cover screw. Remove the duct.
Remove the engine cover.
Remove all the instrument panel attaching screws.
Carefully lower the steering column. Raise and support the right side of the instrument panel. Refer to for further details.
Remove the defroster duct-to-case attaching screws and the two screws attaching the distributor to the heater case.
Disconnect the temperature door cable. Carefully fold the cable back and out of the way.
Remove the three nuts from the engine compartment side of the distributor case and the screw from the passenger compartment side.
Remove the heater case and core assembly.
Remove the core retaining straps and remove the core.
Remove the steering column-to-instrument panel bolts. Lower the column carefully.
Remove the upper and lower instrument panel attaching screws. Remove the radio support bracket screw.
Raise and support the right side of the instrument panel.
Remove the lower right instrument panel bracket.
Remove the vacuum actuator from the kick panel.
Disconnect the temperature cable and vacuum hoses at the case. Remove the heater distributor duct from over the engine hump.
Remove the two defroster duct-to-firewall attaching screws below the windshield.
Under the hood, disconnect and plug the heater hoses at the firewall.
Remove the three nuts and one screw (inside) holding the heater case to the firewall.
Remove the case from the van. Remove the gasket for access to the screws holding the case together. Remove the temperature cable support bracket. Remove the screws and separate the case. Remove the heater core.