Follow the upper radiator hose from where it leaves the radiator to where it enters the engine block on top of the engine
. This is where the thermostat will be located.
Where is the thermostat on a 2002 Pontiac Grand Prix?
The thermostat is located
behind the metal housing that is bolted to the intake manifold on the drivers side of the engine below the throttle body
. There are 2 bolts holding the hosing on. A 13mm swivel socket and a 13mm wrench will be needed to remove the bolts.
Where is the thermostat located?
Most thermostats are located
where the top radiator hose joins the engine
, so these steps deal with this type. If your thermostat is in the bottom radiator hose, the principle is the same.
Why is my Pontiac Grand Prix overheating?
While there are a variety of reasons your Pontiac Grand Prix is overheating, the most common 3 are a
coolant leak
(water pump, radiator, hose etc.), the radiator fan, or a failed thermostat. Coolant leak (water pump, radiator, hose etc.)
Where is the thermostat located and what is its purpose?
Any liquid-cooled car engine has a small device called the thermostat that sits between the engine and the radiator. The thermostat in most cars is about 2 inches (5 cm) in diameter. Its job is
to block the flow of coolant to the radiator until the engine has warmed up
.
What are the symptoms of a bad thermostat?
- Leakage from the mounting surface. Appearance: Seepage, drips or large coolant bleed marks on or around the mounting surface or on the housing. …
- Rust and corrosion. Appearance: Rust and corrosion on the surfaces of the thermostat. …
- Deposit build-up. …
- Map-controlled thermostats.
What causes a thermostat to fail?
Once the coolant engine reaches proper operating temperature, typically 180 to 200 degrees, the thermostat opens up and allows the coolant to flow through the engine. Sometimes the thermostat fails and must be replaced; there are four main reasons for failure:
overheating, sludge, defect and age
.
What happens if you run a car without a thermostat?
If you drive your car without a thermostat,
it will run at 50 degree centigrade
. When the car drives at this temperature, moisture or humidity will form. And when it is condensed, it will mix with oil and turn into slush (watery ice). This slush blocks out lubrication.
How do I know if my water pump or thermostat is bad?
- Coolant Leaking. One of the first signs of a potentially faulty water pump is a puddle of coolant on the ground where you've parked your car. …
- Rust or Deposit Build-Up. …
- Noise. …
- Overheating. …
- Steam.
How do I test my thermostat?
- Have your car on level ground and make sure the engine and radiator are cool.
- Open the car hood and find the thermostat. …
- Next, you will need to test your car thermostat. …
- If you find the coolant is flowing, it means the thermostat valve is open.
Can a stuck thermostat fix itself?
Can a stuck thermostat fix itself? One may also ask, can a stuck thermostat fix itself?
You can either replace the valves with new ones or work the valves back into a position
where they can move up and down more freely. Replace the thermostat.
Why is my car overheating but it has coolant in it?
In general, it's because
something's wrong within the cooling system and heat isn't able to escape the engine compartment
. The source of the issue could include a cooling system leak, faulty radiator fan, broken water pump, or clogged coolant hose.
Can I drive without a thermostat?
The main purpose of an automobile's thermostat is to regulate the operating temperature of the engine. … So, if you drive without a thermostat,
your engine will never reach its optimal operating temperature
and your heater may blow cold air.
How do I get my thermostat unstuck?
- Park your car on a flat surface and have the emergency brake on.
- Wait until the morning or a few hours after driving. …
- Open your car hood after your car has had some time to cool off. …
- Find the thermostat. …
- Remove the radiator cap. …
- Have someone else start the car for you.
