Well it depends on the type of engine you have, but that only has to do with the thermostat's location. The Haynes GM manual #38025 has instructions on how to change the thermostat in section 3-3. Amazon has copies of it dirt cheap.
Have you replaced the heating core yet?
yes the top speed of a 1994 buick skylark is 112mph it has a rev limiter or what most people call it a governer.
190 - 220
The low side AC port on a 1994 Buick Skylark is on the passenger side of the engine compartment. It is near the front of the oil pan.
On a 1994 Buick Skylark, the horn relay is located behind the dash and to the left of the steering wheel. The horn relay is comprised of three wires.
What's wrong with it?
4.5 quarts for the V6.
It has both.
Well the easy answer is "In the middle of the steering wheel.
you have to take the timing chain off
To change the thermostat on a 1994 Buick Century, start by ensuring the engine is cool, then disconnect the negative battery cable. Drain the coolant from the radiator, and remove the thermostat housing by loosening the bolts. Take out the old thermostat, clean the mating surfaces, and install the new thermostat with the correct orientation (usually with the spring side facing the engine). Finally, reassemble the housing, refill the coolant, and reconnect the battery.
That is an indication that head gasket is leaking. yes!