The thermostat is located in a removable housing at the engine end of the upper radiator hose Drain about 1 gallon of coolant from the radiator Remove this housing Note how thermostat is installed Clean both surfaces Replace thermostat and gasket Re-install housing Re-fill coolant slowly to prevent an airlock Start engine and look for leaks Run engine to normal operating temperature with heater on Re-check coolant level
Follow the top radiator hose back to the engine block. The thermostat is inside the housing where the radiator hose connects to the block.
Where the upper radiator hose connects to the engine the thermostat is located under the neck protruding from the block.
The thermostat is inside the small housing where the top radiator hose connects to the engine block.
Follow the upper radiator hose to the engine block. The part the hose is connected to is the thermostat housing. The thermostat is under it.
It is normally where the upper radiator hose meets the engine block.
No
Turn them so the hole lines up with the holes in the block.
follow your top radiator hose to the engine block. the hose will be attached to the thermostat housing. the housing is attached to the block with two bolts. remove the radiator hose from the housing, remove the two bolts, and gently separate the housing from the block. you will see the thermostat. The above answer is for a V6 engine. If your engine is a V8, follow the lower radiator hose toward the engine. The thermostat, housing & o-ring are one piece.
The 1994 Chevy 454 cubic inch big block engine temperature sensor is located on the front of the engine. The engine temperature sensor will be a few inches above the thermostat housing.
Where the upper radiator hose goes into the engine block. Disconnect the hose, and the t-stat should be inside the engine.
That is a by pass, so the water can transfer around the thermostat.
Spring goes toward engine block. Install the gasket and tighten to factory specs. Usually 20 lb/ft torque.