Where is the engine 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 located on a 2000 Toyota 4Runner?
The thermostat is located at the top of the bottom hose where the hose contacts the water pump.
How do you change a thermostat on a 2000 Toyota 4runner?
- Step 1 – Drain radiator. To drain the radiator, remove the skid plate on the bottom of the radiator by removing the bolts holding it in place.
- Step 2 – Remove belt. To remove the drive belt, use your 3/8″ ratchet to turn the tensioner counterclockwise.
- Step 3 – Remove thermostat.
- Step 4 – Install new thermostat.
How does the thermostat work on a Toyota 4Runner?
When you start your car and the engine is cold, the flow of coolant is stopped by the thermostat so that the engine warms up and reaches maximum efficiency faster. Once the coolant temperature passes the thermostat temperature, the thermostat opens and allows coolant to flow around the engine block, radiator, etc.
Where is the stopcock on a Toyota 4Runner?
On the driver’s side of the bottom of the radiator, you will see a stopcock that you can open to drain the coolant. Make sure your drain pan is underneath the stopcock. If your coolant is clean or newly flushed, then only drain enough coolant to bring the system level under the thermostat. If you plan on replacing the coolant, then drain all of it.
How do you drain a Toyota 4Runner radiator?
Place the drain pan under the radiator’s drain plug, then turn it counterclockwise to loosen it. Let the radiator drain completely. Open the radiator’s fill cap on top to allow it to breathe, so it drains faster. Figure 2. Drain radiator.
What does the thermostat do on a car?
The thermostat is a simple device that is temperature activated. When you start your car and the engine is cold, the flow of coolant is stopped by the thermostat so that the engine warms up and reaches maximum efficiency faster.