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Here is a general guide to the layout of the engine compartment of a 1994 2.0 liter engine:
Battery: The battery is typically located on the driver's side of the engine compartment, near the front of the vehicle.
Engine: The engine is located in the center of the engine compartment.
Radiator: The radiator is typically located at the front of the engine compartment, behind the grille.
Coolant reservoir: The coolant reservoir is usually located on the passenger side of the engine compartment, near the front of the vehicle.
Fuse box: The fuse box is typically located on the driver's side of the engine compartment, near the front of the vehicle.
Air filter: The air filter is typically located on the driver's side of the engine compartment, near the front of the vehicle.
Throttle body: The throttle body is typically located at the front of the engine, near the top.
Engine oil filter: The engine oil filter is typically located on the passenger side of the engine, near the bottom.
Distributor: The distributor is typically located at the top of the engine, near the front.
Engine oil dipstick: The engine oil dipstick is typically located on the passenger side of the engine, near the front.
have a coolant pressure test done on the system and find the leaks. If it is an old radiator with plastic tanks then the tanks may be split (common) -check radiator hoses for splits and radiator cores for leaks. If the hose is enlarged past the clamp replace it as it is about to burst anyway check water pump and check all points where hoses are clamped onto aluminium housings as they corrode under the hoses.
CAR OVERHEATING FIRST CHECK FOR LOW COOLANT IN THE RADIATOR COOLANT OVERFLOW JUG.IF COOLANT LEVEL IN OVERFLOW JUG LOW REFILL ADD COOLANT BACK TO THE FULL COLD MARK.PUT RADAITOR CAP ON COOLANT OVERFLOW JUG START ENGINE LET IT IDLE UNTIL IT OPERATING TEMPERATURE.MAKE SURE TOP RADIATOR HOSE GETTING HOT WHILE ENGINE WARM UP.IF TOP RADIATOR HOSE DONT GET HOT WHILE ENGINE IDLING YOUR THERMOSTAT COULD BE STUCK CLOSE CAUSING CAR TO OVERHEAT.IF TOP HOSE IS GETTING HOT.CHECK FOR COOLANT LEAKS CHECK TOP RADIATOR HOSE AND BOTTOM RADIATOR HOSE FOR LEAKS.CHECK FOR LEAKS AT THE RADIATOR CORES AND PLASTIC SIDE CONTAINERS.IF ALL IS GOOD ENGINE OVERHEATING WHILE IN A LONG TRAFFIC LINE, COOLANT FANS NOT COMING ON.COULD HAVE FAULTY ENGINE COOLANT TEMPERATURE SENSOR OR BLOWN COOLING FAN FUSE OR RELAY.COULD HAVE PCM FAULT.MAKE COOLING FAN ELECTRICAL CONNECTORS AND WIRING NOT DAMAGE OR BROKEN.
TO FIX COOLANT LEAK.YOU HAVE TO LOCATE IT.BEST TIME FIND COOLANT LEAK WAIT UNTIL MORNING.ADD COOLANT UNTIL COOLANT LEVEL IN RADIATOR CORRECT. START THE ENGINE LET IDLE UNTIL START GETTING HOT.THEN TURN OFF ENGINE.COOLANT PRESSURE WILL PUSH COOLANT OUT WHERE LEAKS ARE.CHECK TOP RADIATOR HOSE AND BOTTOM RADIATOR HOSE.CHECK AROUND RADIATOR LOOK DOWN BELOW COOLANT FAN AREA BEHIND RADIATOR.LOOK FOR LEAKS AT RADIATOR CORES AND SIDE CONTAINERS.CHECK FOR COOLANT LEAKS AROUND WATER PUMP GASKET OR WEEP HOLE.CHECK FOR COOLANT LEAKS AROUND HEATER HOSES AND HEATER CORE.CHECK ENGINE CRANKCASE FOR COOLANT LEAKS.
A
heater core transfers heat from a 1994 Ford Ranger's engine to the
passenger compartment by running hot radiator coolant through a
serpentine of tubing. Air blows past the hot fins of the heater core
and into the truck cab.
The hoses running to and from the
heater core must be removed from the engine compartment, but the
core itself is accessed from inside the passenger compartment, on
the driver's side next to the center console.
1. Turn off the
engine, open the hood and remove the battery cable from the negative
terminal. Make sure the engine is cool.
2.
Attach a 3/8-inch interior diameter hose to the drain outlet on the
bottom rear corner of the radiator on the driver's side, and place
the bottom end in a resealable plastic container. Turn the drain
valve (located above the drain outlet) counterclockwise with a pair
of pliers. Drain the engine coolant into the resealable container,
then close the valve by turning it clockwise. Remove the hose from
the outlet.
3.
Loosen the hose clamps on the radiator hoses where they attach to
the heater core on the firewall. Remove the hoses.
4.
Unscrew the screws holding the underdash cover in place on the
driver's side of the passenger compartment. Remove the underdash
cover.
5.
Unscrew the four screws on the cylindrical heater core access cover
and remove it. Remove the heater core by pulling it down and toward
the rear of the vehicle.
Replace the unit with a new heater core.
6.
Reinstall the heater core access cover and screw in the retaining
screws. Replace the underdash cover and screw it into place.
7.
Replace the radiator hoses on the heater core in the engine
compartment. Tighten the hose clamps. Add coolant until the level is
between the minimum and maximum marks on the reservoir.
8.
Replace the battery cable and start the engine. Check the system for
leaks.
ENGINE NOT GOING TO START IF GET TOO HOT FIRST THING I WOULD REPLACE THERMOSTAT AND RADIATOR PRESSURE CAP THEN ADD COOLANT UNTIL COOLANT LEVEL CORRECT THATS WHEN THERMOSTAT OPEN UP AND TOP HOSE HOT.CHECK FOR LEAKING RADIATOR HOSES CHECK TOP RADIATOR HOSE CHECK BOTTOM RADIATOR HOSE.CHECK FOR LEAKS AROUND THE RADIATOR LOOK DOWN BELOW COOLANTS FANS CHECK FOR LEAKS AT RADIATOR CORES OR LEAKS AT THE RADIATOR PLASTIC SIDE CONTAINERS. CHECK FOR LEAKS AT WATER PUMP WEEP HOLE AND CHECK FOR LEAKS AT THE HEATER HOSES AROUND ENGINE BLOCK TO THE HEATER CORE HOSES. THERE IS A REASON CAR OVERHEAT.IF CAR OVERHEAT WHILE DRIVING YOU HAVE FAULTY THERMOSTAT OR LEAKING OUT COOLANT OR BLOWN HEAD GASKET.IF ENGINE OVER HEAT WHILE SITTING DURING A LONG IDLING PERIOD.YOU COULD HAVE FAULTY COOLANT TEMPERATURE SENSOR OR FAULTY COOLING FAN FUSE OR RELAY.HOT WIRE COOLANT TO SEE IF IT RUNS IF NO REPLACE FAN MOTOR. IF YES FAN MOTOR COULD HAVE FAULTY WIRE OR PCM FAILURE. CHECK ENGINE CRANKCASE IF OIL LOOKS LIKE MILK SHAKE ENGINE HEAD GASKET LEAKING.
The passenger right side of the car doesn't have any flanges for cooling system, if that's correct then your radiator has a leak or puncture.
The driver side of vehicle has both the in and out flanges for the radiator. Very common to see leak at the drain valve leaking (not closed tightly). In the same area would be bottom flange of radiator which the composite flange is degrading and causing the leak.
The middle part of the bottom engine compartment is where your oil/coolant cooler assembly just above the oil filter. A loose oil filter could be the cause 95% of the time and 5% would be a bad o-ring from the oil cooler to the oil filter flange.
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