1990 Aerostar 4.0 xl hose information
Hi, new here. My aerostar has been leaking coolant, and I've detected the leak is coming from the bottom of the right part of the Y hose in the picture. What exactly does this part of the hose go to and what is the proper name of the hose so I can order a new one. At first I thought the heater core was leaking because white coolant smoke was coming into the cab, but then I pulled off the removable piece underneath the stereo(by the shifter) and saw the smoke was coming from behind it. Im a chttps://cimg7.ibsrv.net/gimg/www.for...4fcf131343.jpg
omplete newb to fixing cars. Thanks. |
it's a Y hose or a Y Bypass Hose. you might find it at O'Reilly's. you will have to remove it to get it matched.
If no luck, you can get a metal "T" adapter-fitting to which you can connect 3 separate hoses, or just cut off the hose that's bad, cut the "Y" and use a separate T adapter with a new hose, or just cut the bad section of the hose, use a straight adapter-fitting and splice a new hose to it. There are alternatives. |
Thanks! What exactly does that hose connect to?
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It goes to the two heater cores in your van, which evidently has a rear HVAC system. The other Y hose is the return from the cores. If it's actually leaking from the swaged fitting, then you need to replace it. If you try the parts houses, make sure you look for the exact year, as the layouts for different years were different, and the hoses were different.
The other option is to make up something from standard parts, like Jose suggested. It's possible to remove that slip-fit connector from the aluminum tube and install a standard hose with a hose clamp. |
Alright, cool,thanks
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Here in Florida we just bypass the heater cores, ha ha,, its only cold about 5days a year
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not this year, it's been cold as hell!!
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Any advice on how to get the serpentine belt back on? Got a pipe to stick on my ratchet for extra leverage and got the tensioner to go as far as it can go and I'm still about a 1/4 inch off mark
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I seem to recall there were a couple of tricks, including routing the belt through all the pulleys except for the alternator and the tensioner. Then pull up the tensioner to slip the belt under it, then slip the belt over the alternator pulley because that requires the least amount of slack to pull over. Also putting the starting position of the lever so that you can get the biggest swing. You might want to remove the air box if you haven't already.
Having said that, I remember one time taking over a week to do something with the belt off, I simply could not put the same belt back on, as if it had shrunk during that time. |
Originally Posted by xlt4wd90
(Post 17734030)
I seem to recall there were a couple of tricks, including routing the belt through all the pulleys except for the alternator and the tensioner. Then pull up the tensioner to slip the belt under it, then slip the belt over the alternator pulley because that requires the least amount of slack to pull over. Also putting the starting position of the lever so that you can get the biggest swing. You might want to remove the air box if you haven't already.
Having said that, I remember one time taking over a week to do something with the belt off, I simply could not put the same belt back on, as if it had shrunk during that time. |
Glad to hear you got her running. But what makes you think the thermostat is bad?
The stat is on the engine, if you follow the top hose of the radiator to where it connects to the engine, its under the fitting held down by 2 bolts that the hose is connected to. Might be time for a new radiator. With the age of these vans, its needed. Are you smelling coolant once it gets hot? Could be a leaking/corroded freeze plug. Or a minor leak in the radiator? |
Originally Posted by sittinguy
(Post 17735852)
Glad to hear you got her running. But what makes you think the thermostat is bad?
The stat is on the engine, if you follow the top hose of the radiator to where it connects to the engine, its under the fitting held down by 2 bolts that the hose is connected to. Might be time for a new radiator. With the age of these vans, its needed. Are you smelling coolant once it gets hot? Could be a leaking/corroded freeze plug. Or a minor leak in the radiator? |
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