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. Remove the plastic heater hose clip from the lower thermostat bolt head.
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.
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.
Where is the thermostat on a 2003 Chevy Blazer?
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. Remove the plastic heater hose clip from the lower thermostat bolt head.
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.
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.
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.
Where is the thermostat on a 1996 Toyota Camry v6?
It's located at
the lower radiator hose
where it hits the engine.
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.
Will a bad thermostat keep a car from starting?
There is a misconception that if your car thermostat has gone bad, then your engine is constantly running hot. Though a hot engine is one of the signs that something may be wrong, your engine could also start running cold.
A cold engine is also caused
by a bad thermostat and can affect the operation of your car.
How much does it cost to replace the thermostat housing?
How Much Does a Thermostat Housing Replacement Cost? A replacement thermostat housing will cost you
around $50 to $250 on parts alone
. Labor costs can range anywhere between $130 and $170. Keep in mind that you may need to spend more on other related repairs.
Where is the thermostat on a 2001 GMC Jimmy?
2 Answers. Thermostat is
right on top of intake manifold
.
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.
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.
How much is a thermostat for a 2004 Trailblazer?
2004 Chevrolet Trailblazer Thermostat – from
$29.99+
| AutoZone.com.
What temperature should my S10 run at?
Should run
around 210*F +/- 15 or so
.
What is the normal operating temperature for a 2002 Chevy Trailblazer?
Anything
below 220*F / 105*C
is normal.
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.
Can low coolant cause P0128?
Low engine coolant can alter the engine running temperature enough
to signal trouble code P0128. Your intake air temperature sensor, coolant temperature sensor and coolant fan could also signal this trouble code, so these should be inspected after you look over your thermostat and coolant level.
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
.
Where is the thermostat located on a Chevy TrailBlazer?
Place a drain pan on the ground under the radiator drain plug of your 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 on a 05 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.
Where is the coolant temperature sensor located on a 2005 Chevy TrailBlazer?
Find the coolant temperature sensor
on the front of the engine block, just behind the alternator
. Pull upward on the locking tab on the coolant temperature sensor's wiring harness, and pull the wiring harness from the sensor.
How do I know if my thermostat is stuck open?
Symptoms of a bad thermostat
Thermostat stuck open: When the thermostat is stuck open,
the engine temperature drops below normal when driving
, especially on the highway in cold weather. A stuck-open thermostat can also cause lack of heat from the heating system. The Check Engine light may come on too.
Where can I find a thermostat in a car?
Most cars have a top-mounted thermostat
located close to the water pump on the cylinder head
. The top radiator hose feeds coolant through the thermostat into the engine. If you can't locate the thermostat, simply follow the hose until you see the housing containing the thermostat where the hose joins the engine.
Where is my thermostat in my car?
In most cars the thermostat is placed
under a housing near the water pump on the cylinder head
; the housing is connected directly to the top radiator hose . In a few cars the thermostat is housed near the bottom hose. Test the thermostat quickly by starting the engine from cold.
