The sudden failure of an inexpensive part can leave you and your vehicle stranded by the side of the road. This is especially true of the cooling system thermostat. The thermostat resides in between your engine and your radiator and acts as a temperature controlled engine coolant valve. If the valve fails, so does your cooling system and an overheated engine, and driver, often are the unfortunate end result. The good news is thermostats are inexpensive and relatively easy to replace.
Thermostat
Removal & Installation
1. Disconnect the negative battery cable.
2. Drain and recycle the engine coolant.
3. Remove the Power Steering reservoir support bracket.
4. Remove the upper radiator hose at the thermostat housing.
5. Remove 2 thermostat housing retaining bolts and remove the housing.
6. Remove the thermostat and O-ring from the lower intake manifold. Discard the O-ring.
To Install:
7. Clean the O-ring sealing surfaces.
8. Install a new O-ring, on the thermostat and position the thermostat in the lower intake manifold.
9. Place the thermostat housing on the lower intake manifold and install 2 retaining bolts. Tighten the bolts to 15-22 ft. lbs. (20-30 Nm).
10. Install the power steering reservoir support bracket.
11. Fill the engine cooling system.
12. Connect the negative battery cable.
13. Start the engine and allow it to reach normal operating temperature while checking for coolant leaks.
14. Road test the vehicle and check for proper engine operation.
15. Check the coolant level and add if necessary.
Answering "How do you remove and replace the radiator in a 1994 ford F-150?"
the engine is a v6
The 1994 Ford F-150 with the 4.9 liter / 300 cubic inch inline six cylinder came from the factory with a ( 192 * F ) engine thermostat
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Follow the upper radiator hose, when installing the new thermostat be sure to put the temperature portion towards the engine block
Follow the upper rad hose and at the engine is the housing that houses the thermostat. When replacing it make sure the spring goes toward the engine.
On a 1993 Ford F-150 : Follow the top radiator hose from the radiator . Where it connects to the engine is the engine cooling thermostat
The thermostat is located right beside the intake manifold on the engine of a 1999 Ford F 150 XLT. The thermostat can be found by following the upper radiator hose.
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Yes , that was one of the engines offered in a 1994 F-150
$150
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