Locate the thermostat. It is
near the alternator
. If you follow the upper radiator hose, it runs from the driver's side of the radiator up across the engine, and back around over the engine to the middle of the block near the alternator.
What are the symptoms of a bad thermostat?
- #1 – Temperature Gauge Reading Higher (or Lower) Than Normal.
- #2 – Sudden Air Temperature Changes Inside Vehicle.
- #3 – Coolant Leaking.
- #4 – Rumbling Noises.
- #5 – Heater Malfunction.
What is the thermostat housing?
In many internal combustion engines the Thermostat Housing acts
as the coolant outlet
, it is normally located on the engine block or cylinder head. … As the name implies, this engine component houses the thermostat which regulates the coolant flow.
Where is the thermostat on a 1999 GMC Jimmy?
2 Answers. Thermostat is
right on top of intake manifold
.
What temperature should my s10 run at?
Should run
around 210*F +/- 15 or so
.
Why is my Chevy S10 overheating?
The most common reasons a Chevrolet S10 is overheating are
a coolant leak
(water pump, radiator, hose etc.), the radiator fan, or a failed thermostat.
What problems can a bad thermostat cause?
With that said,
overheating
is the most common symptom of a bad or a failing thermostat. This happens because a thermostat can get stuck as it ages. If it's stuck in the closed position, it won't let the coolant reach the radiator and the engine will overheat. In turn, this can cause major and expensive damage.
Where is the thermostat located on a 2005 Chevy Trailblazer?
the thermostat is located
on the drivers side of the engine
, just to the rear of the alternator, if memory serves correctly (I'm not looking this up or looking at that particular engine to pass on general info). The ECT (Engine Coolant Temperature) sensor is located directly above it.
What does engine code P0128 mean?
Code P0128 stands for
Engine Coolant Temperature Below Thermostat Regulating Temperature
. It means that the ECM/PCM has “noticed” that the engine coolant temperature is consistently running below thermostat regulating temperature. In other words, the engine is running cooler than it should.
How do I know if my thermostat or water pump is bad?
Answer: If the temperature gauge indicates the
engine is overheating
, the water pump bearing may be faulty and not allowing coolant to circulate properly. Another possibility is the thermostat is not functioning right. Depending on your particular model, you can try to listen to the pump with a length of hose.
Can I drive my car with a leaking thermostat housing?
Is it safe to drive a car with a crack in the thermostat housing? – Quora.
It is not ‘unsafe
‘ in terms of road safety. The cooling system may well use coolant as you drive and if it runs out of coolant the engine will overheat and possibly seize up (then you'll need a full engine rebuild).
How do you know if you need a thermostat in your car?
- The temperature gauge reads high and the engine overheats.
- The temperature changes erratically.
- The vehicle's coolant leaks around the thermostat or under the vehicle.
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.
Can you drive with leaking thermostat?
Thermostat valve stuck closed – If your thermostat's valve is stuck closed, you may notice a high-temperature reading. You'd be risking damaging your engine components if you continue to drive your vehicle. … A leaking thermostat housing can also lead to a low coolant level, resulting in an inoperative heater.
What temp should a 4.3 run at?
Registered. on 4.3s temp
between 190 and 220
is normal operating temps and does not require attention.
Why is my Chevy Blazer overheating?
The most common reasons a Chevrolet Blazer is overheating are
a coolant leak
(water pump, radiator, hose etc.), the radiator fan, or a failed thermostat.
Does a 2008 Chevy Silverado have a thermostat?
If you own a 2007 or 2008 Chevy Silverado with the 4.3-liter engine and
the thermostat has gone bad
, it is imperative that you replace the thermostat before it allows the engine to overheat and possible engine warping. … But it's crucial to replace a failed thermostat even if you're riding empty.
What happens if your engine is too cold?
When your car engine is cold,
the fuel injectors send more fuel through the system
. As the engine warms, it needs less fuel to run efficiently. So the longer you let a cold engine idle, the more fuel you waste and the more you increase the chance of fuel residue build up.
Where is the thermostat on a 02 trailblazer?
Locate the thermostat housing that sits near the front of the engine at the top. The thermostat housing will be at
the end of the upper radiator hose
, connected to the motor.
Where is the thermostat located at on a 2005?
The thermostat is on
the right side of the engine when facing the engine from the front(drivers side)
. It is under the air duct. It is a difficult job to replace, you must remove the duct, the air cleaner housing, and the black pipe above the thermostat housing so you can get your hands at the bolts.
What does a car thermostat control?
Your car's thermostat is a vital component that is actually pretty simple. It's a valve located in your car's cooling system. Its job is to
regulate the amount of coolant that is recirculated back into the engine and how much is cooled via the radiator prior to being recirculated
.
