1994 Ford Aerostar using antifreeze but not leaking

It is an unusual place to leak, but it is a known issue.

https://www.google.com/search?q=ford+aerostar+intake+manifold+leaking+antifreeze

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too many miles. not worth it regardless of price.

1994 Ford AEROSTAR Recall ID from NHTSA: 99V028000 Auto Recall Date: 02/09/1999
Vehicle Component: ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD
Estimated Vehicles Affected: 23097
1994 FORD AEROSTAR Defect Summary:
VEHICLE DESCRIPTION: MINI VANS. HEAT GENERATION IN THE WIRING HARNESS TO THE FUEL PUMP/SENDER ASSEMBLY CAN CAUSE AN ELECTRICAL SHORT. THE VEHICLE COULD EXPERIENCE A LOSS OF POWER AND BECOME IMMOBILIZED AND THE FUEL GAUGE MAY BE ERRATIC.
Defect Consequence:
HEAT DAMAGE, INCLUDING MELTING OR CHARRING OF THE FUEL PUMP AND SENDER ASSEMBLY WIRE HARNESS AND ASSOCIATED WIRING HARNESSES CAN ALSO RESULT. THE SHORT CIRCUIT COULD ALSO HAVE THE POTENTIAL FOR A VEHICLE FIRE.
Remedy:
DEALERS WILL INSTALL A FUSED JUMPER HARNESS IN THE FUEL PUMP GROUND CIRCUIT THAT WILL BE INSTALLED AT THE FUEL PUMP INERTIA SHUT-OFF SWITCH.
Notes: FORD MOTOR COMPANY, 99S01 1994 Ford AEROSTAR Recall ID from NHTSA: 97V204000 Auto Recall Date: 11/13/1997
Vehicle Component: POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
Estimated Vehicles Affected: 75000
1994 FORD AEROSTAR Defect Summary:
VEHICLE DESCRIPTION: ALL WHEEL DRIVE PASSENGER MINIVANS. THESE VEHICLES CAN DEVELOP POWERTRAIN BENDING RESONANCE OR TRANSFER CASE OUTPUT SHAFT BUSHING DISPLACEMENT. THE POWERTRAIN BENDING RESONANCE OR THE OUTPUT SHAFT BUSHING DISPLACEMENT CAN RESULT IN STRUCTURAL FAILURE OF THE TRANSMISSION AND/OR TRANSFER CASE. FLUID EXPLUSION, DRIVESHAFT SEPARATION OR LOSS OF VEHICLE DRIVE CAN RESULT.
Defect Consequence:
THIS CONDITION CAN CAUSE A LOSS OF VEHICLE CONTROL, AND, IF THE EXPELLED FLUID CONTACTS THE EXHAUST SYSTEM, A VEHICLE FIRE COULD OCCUR.
Remedy:
DEALERS WILL INSTALL A NEW TRANSFER CASE REAR OUTPUT SHAFT BUSHING AND AN ALUMINUM DRIVESHAFT WILL BE INSTALLED.
Notes: FORD MOTOR COMPANY, 1994 Ford AEROSTAR Recall ID from NHTSA: 99V029000 Auto Recall Date: 02/09/1999
Vehicle Component: ELECTRICAL SYSTEM:IGNITION:SWITCH
Estimated Vehicles Affected: 762201
1994 FORD AEROSTAR Defect Summary:
VEHICLE DESCRIPTION: MINI VANS. THESE VEHICLES WERE PRODUCED WITH A HIGHER THAN SPECIFIED ELECTRICAL LOAD THROUGH THE ACCESSORY POWER FEED CIRCUIT. THE POTENTIAL FOR CONTACT BETWEEN THE B2 (BATTERY), A2 (ACCESSORY), AND P1 (PROOF) CIRCUITS CAN OCCUR, CREATING A SHORT CIRCUIT, ALLOWING CURRENT TO FLOW THROUGH THE GROUND WIRE.
Defect Consequence:
THIS CAN CAUSE OVER HEATING AND THE POTENTIAL FOR A VEHICLE FIRE.
Remedy:
DEALERS WILL INSTALL A JUMPER HARNESS WITH A RELAY WHICH WILL RE-ROUTE AND ACTIVATE ALL A2 ACCESSORIES THROUGH THE RELAY.
Notes: FORD MOTOR COMPANY, 99S02 1994 Ford AEROSTAR Recall ID from NHTSA: 98E010000 Auto Recall Date: 04/08/1998
Vehicle Component: SERVICE BRAKES, AIR:DISC:ROTOR
Estimated Vehicles Affected: 23500
1994 FORD AEROSTAR Defect Summary:
EQUIPMENT DESCRIPTION: AFTERMARKET BRAKE ROTORS FOR USE ON CERTAIN FORD AND MAZDA TRUCKS. CRACKED CASTINGS CAUSED CRACKS TO APPEAR ON THE OUTER DIAMETER OF THE ROTOR HAT OR AROUND THE STUD HOLE.
Defect Consequence:
LOSS OF BRAKING CAN RESULT.
Remedy:
AIMCO WILL REIMBURSE CONSUMERS/INSTALLERS FOR THE COST OF REPLACEMENT ROTORS AND INSTALLATION. CONSUMERS ARE REQUESTED TO RETURN TO THE LOCATION WHERE THE ROTORS WERE ORIGINALLY PURCHASED/INSTALLED FOR REPLACEMENT.
Notes: AIMCO PRODUCTS INC., 1994 Ford AEROSTAR Recall ID from NHTSA: 06E022000 Auto Recall Date: 03/13/2006
Vehicle Component: SERVICE BRAKES, HYDRAULIC
Estimated Vehicles Affected: 7440
1994 FORD AEROSTAR Defect Summary:
CERTAIN AFTERMARKET BRAKE HYDRAULIC MASTER CYLINDERS SOLD AS REPLACEMENT BRAKE CYLINDERS FOR CERTAIN FORD, DAIMLERCHRYSLER, AND JEEP PASSENGER VEHICLES. THESE BRAKE CYLINDERS WERE SOLD UNDER THE BRAND NAMES OF NAPA, RAYBESTOS, AIMCO, AC DELCO, CARQUEST, BENDIX, AND WAGNER. ONLY PRODUCTS THAT WERE MANUFACTURED FROM JULY 27, 2005 THROUGH JANUARY 17, 2006 (DATE CODES 0529 THROUGH 0602) ARE SUBJECT TO THIS RECALL. WHEN SUBJECT TO VERY COLD TEMPERATURES, AN INTERNAL SEAL IN THE MASTER CYLINDER COULD LOSE FLEXIBILITY AND MAY CAUSE BRAKE FLUID TO LEAK.
Defect Consequence:
LOSS OF BRAKE FLUID CAN LEAD TO A DECREASE IN BRAKE LINE PRESSURE AND AN INCREASE IN STOPPING DISTANCE, WHICH CAN RESULT IN A VEHICLE CRASH.
Remedy:
AFFINIA (BRAKE PARTS, INC.) WILL REPLACE THE SUBJECT BRAKE HYDRAULIC MASTER CYLINDERS FREE OF CHARGE. THE RECALL BEGAN ON MARCH 20, 2006. OWNERS CAN CONTACT AFFINA GROUP CUSTOMER SERVICE AT 1-800-323-0354.
Notes: BRAKE PARTS, INC

Does the blower work? if not blowers shot..... if blower runs and no heat " and if the antifreeze is full " then the heater core is bad.....

the cable housing is most likely broke inside the heat sleeve right by the floor. I've done a buch of those over the yrs! replace the cable if so good luck!

The rear right suspension needs to be checked. The shokers may have gone or if it has leaf springs that may have straightened out due to load or may have broken. Check and replace.

try bart's radiator sealer, will help stop small leaks, can buy it at any auto parts store.

I am a ford aerostar ownermyself (1995 3.0) i have found that it is easiest way to do it is to go at them from underneath the van the passenger side is easier to do, but the drivers side will take some work to get up there, you can also remove the dogbox and go at it that way to

Hope this Helps
William

I assume you mean the thermostat.

Look for a large hose running backward from the radiator. Where this hose reaches the engine, it will be attached to a metal piece. The thermostat should be inside this. There are usually two bolts holding this part to the engine.

im not for sure without looking at this one but if the battery is over any brake lines check for battery acid corrosion dripping on the brake line.