Nov 13, 2009 No, you just won't have water flow through the heater core, Coolant flows through the engine through the lower radiator hose as the water pump sucks it out of the radiator and pushes it through the engine. Step back and let the pressure release. I did my own vehicle and my heater is working perfect. You will have to unscrew the lower dashboard and either let it h … ang down or pop out the convenience light to make more room to move it out of the way, i would pop out the light. The heater housing is disassembled to get to the heater core. I know it sounds like alot of work. If not and you want to try and tackle it yourself then you have to ask yourself this: do I want to pull the dash out? Fuel consumption was very bad almost a full tank with no ac.
This continues until I shut the van down and restart. The heater-ventilation system is a blend air design and consists of the following major components: the heater blower assembly, the plenum, air distribution ducts and registers, control assembly, control cable, the defroster nozzle and side window demisters. Obtain a Ford heater core from the dealer precise fit, better than most aftermarket ones. If you decide to do it yourself, invest in a good manual, or online source so you know how to get it out in step by step process. So the steps in replacing the heater core are to disconnect the heater hoses, remove the dash, to access the heater core case and open the case to replace the core. There is just enough room to get to them. Tranny is not shifting properly.
Once the pressure has been released, tighten the radiator cap. The vacuum harness is located between the control assembly and vacuum motors on the plenum assembly. Motormite sells replacement plastic inserts for the hoses, so don't worry about replacing hoses or bypassing anything. Sounds easy but it can be a lot of work but it is a lot easy than pulling your entire dash. Where the loose ground wire is located? Dec 23, 2010 Yes u have a leaking heater core, below fin d the instructions to replace it. When a heater core leaks, a new heater core is installed or the old one repaired. This past month, the car started to pull to the right.
I would start by looking at the dash mode control. Put in the new heater core, if the tubes on the new heater core dont go through the firewall holes because they are to far apart, bend them in slightly, you will hear some metal creaking but this is the only way, I did this and have had no problems. You can find the two hoses on the far left when you are outside on the front of the vehicle. They project from a small are on the side of the heater fan housing. But I'm even more concerned about the loss of heat situation coming from the heater. It has several screws holding the cover on.
Remove the heater housing by disconnecting the wiring harness, housing-to-chassis nuts and the heater housing. Lost 1, this is lost 3, are you lost 2? It just started with no accident or jarring. Take out the old insert, and compare it to the new one. The cable is located between the control assembly, located in the instrument panel, and a cam on the plenum assembly. It has several screws holding the cover on. Lift the housing clear and remove the thermostat. When you put it back together, you just have to push it back on.
Just before I noticed it to begin with, I had a major repair done--the dreaded heater core replacement--which involved removal of the dashboard. Now back to the cold air problem- assuming the basics are all ok- Coolant is full, Engine gets up to proper operating temp-around 195 degrees- upper radiator should be hot. I do not have a schematic of the electrical components of the clockspring. When removing hoses make sure to mark the hoses which goes on top for proper replacement. The heater housing is disassembled to get to the heater core. But this job can be done in one day with just simple hand tools.
Check the coolant level again and add more coolant if necessary. I would not even consider the heater Core at this point. You can't miss them, they are the only ones going into the firewall on the passenger side. When removing hoses make sure to mark the hoses which goes on top for proper replacement. I'ld replace the O rings will … I had it apart. Position the new heater core and seal in the plenum assembly.
From what I read it is a short someplace. If the control is dirty or there is a connection issue, this could cause this problem. Brooklyn-i want the heat,but the plastic ends broke off of the hoses. It has been doing this for several months, and to be perfectly honest, this has not been a concern for me but now that my state inspection is coming up in December, I need to do something about it. Fill the cooling system, reconnect the battery cable, then evacuate, charge and leak test the air conditioner refrigerant. Install the heater core access cover to the plenum assembly. It is most likely under the dash.
It's not worth putting money into but I cannot afford to get anything else. Any suggestions on this problem? Once off, there is another black like box with a metal plate on it. Once you have the screws off pull the recantangular shaped box towards you and down. What should I tell them to check, and in what order? That means you need a special tool to get the clamps off, then the hoses slide off the rubber gromet on the core from the outside, by simply pulling on them. Go through the list and Click the link below:---- 2000 Toyota Avalon: No heat on Passenger Side? They are available for the following Ford Aerostar years: 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, 1988, 1987, 1986, 97, 96, 95, 94, 93, 92, 91, 90, 89, 88, 87, 86.