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1) Go to Toyota order a new one.
2) Go to auto scrap yard and get one off an old vehicle.
3) Get anything that is metal and will hold about a gallon and bolt it to the radiator frame or firewall and insert a hose into the container until it is almost at the bottom and secure it in that position. Attach the other end of the hose to the overflow connection on the radiator.
Locate the thermostat housing attached at the end of that hose. Verify the location in your owner's manual, as some manufacturers house the thermostat at the bottom of the radiator rather than the top. This makes removal far more difficult.
Replace the Thermostat Locate the clamp that secures the thermostat to the radiator hose. Unscrew this clamp and gently remove it from the engine. You might see radiator fluid or coolant come out of the hose at this stage, in which case you can catch it in a drip pan and dispose of it later on. Unscrew the bolts that secure the thermostat to its housing. Wipe out the inside of the hose with a rag to ensure it is free of debris. If anything falls into your radiator, it can result in expensive repairs. Replace the gasket. Install the new engine thermostat. Make sure the power unit faces the engine. Replace the bolts to secure the thermostat housing to the radiator hose. Reconnect the hose and tighten the screws in the clamp
Follow the upper radiator hose to the top of the engine. There should be a cast housing with two bolts at the end where the hose is attached. Remove the two bolts and gently pry up the housing off the engine. Once removed, you will see the thermostat and this can easily be removed with a needle nosed pliers. Clean the housing and intake manifold of all old gasket material as this is necessary for proper sealing of new gasket. Next, insert new thermostat. Now you will be ready to put the gasket on after you have coated both sides with a gasket sealent. Any kind of heat treated rtv will work. Tighten both bolts equally being careful not to crank down too hard on these bolts as the housing is generally made of an aluminum cast alloy and will crack under extreme tightening.
Easy fix. find where each end of the blown hose is attached and remove the hose. Go to the auto parts store with the old hose and they will give you a new one the same length and also two new clamps. ( I would actually replace both heater hose at the same time because the other one has the potential of doing the same thing). Replace the new hose in the reverse process you took the old one off. Make sure the clamps are tight. Open the radiator and fill radiator with water/coolant to the top. Should be good to go.
Follow the upper Radiator hose from the radiator back to the motor. remove the hose on the motor end and then remove that coupling that it was attached to. The thermostat is under that coupling. Remove the old seal and any remnants of that seal, put the new thermostat in place, put the new seal in place and bolt the coupling back down and reattach the hose, top off the radiator and test drive.
There should be a short small fitting just under the radiator cap that connects to the overflow container. If the end of the hose is decayed or split, try cutting it back first, or just replace with new if too short. Check your coolant level (check when engine cold) in the radiator and overflow container after repair--use 50:50 mix to replace lost coolant. Hope this helps!
Start by removing the shroud over the radiator area. There should be little plastic screws in it holding it on. Then drain the coolant from the old radiator. there should be a drain on the lower passenger side of the radiator facing the rear. looks like a white nut, turn that until fluid runs out. Make sure you have something available to catch the coolant. I used a small rubber hose attached to the end of drain to direct it to container. After all fluid has drained, disconnect the overflow hose running to the plastic bottle on right of radiator. Remove the 3 bolts holding the bottle in place, and remove. You will not have to remove fan and shroud from vehicle if you just remove the four bolts holding the blade itself to the pulley you can then slide them back far enough away from radiator to get it out. That will make things much easier. there are two other hoses that attach to the radiator 1 on upper passanger side and 1 on lower driver side, remove those. Then remove the two transmission cooling lines from the radiator and plug the ends to prevent dirt getting in. Once all hoses and lines are detached from radiator remove the two mounting bolts at top of the radiator where it attaches. Those are the only bolts holding it in. it rest inside grooves at bottom so you just pull up the radiator and you have it removed. Installation is the opposite of removal. Try to get your plastic (degas) bottle as clean as you can if your reusing . If radiator will not drain through plug for whatever reason, removing the lower driver side hose will drain very quickly but be ready for a rush of coolant. I hope this helps you out.
You'll need a philips screwdriver, flat screwdriver, and a 12mm open end wrench. Buy a new thermostat and gasket from your local auto parts store. Used the philips screwdriver to loosen the hose clamps from both ends of the air intake. Remove the air intake and set aside so you have room to get to the thermostat housing. Make sure you have a drip pan under the car to catch any spilled coolant. Follow the top radiator hose on the right hand side down to where it connects to the engine. Use the flat head screwdriver to loosen the hose clamp and remove the end of the radiator hose attached to the thermostat housing. You can lift the open end of the hose up and off to the side so it doesn't leak coolant. There is a bolt on the top of the thermostat housing and a nut on the bottom towards the back. Use your 12mm wrench to remove the nut from the bottom of the housing and the bolt from the top. Once you have removed the bolt and the nut, you can remove the thermostat housing. Remove the old thermostat and the old gasket. Clean up the surfaces of the housing making sure there are no remnants of the old gasket. Put the new thermostat in place. Install the new gasket (some have adhesive on them to hold them in place during installation. If yours doesn't, you can use a little bit of grease or gasket adhesive). Reinstall the thermostat housing. Replace the bottom nut and the top bolt. Reattach the radiator hose to the thermostat housing and tighten the hose clamp. Replace the air intake and tighten the hose clamps. Fill your radiator with 50/50 mix of water and anti-freeze. Start the car and turn on the heater. Let it run to clear any air from the system. Later, when the car has had time to cool down, check the coolant level and fill as necessary. Cost: Thermostat $4.99, Gasket $.99. Time invested: about 1 hour.
follow the lower hose from the radiator to where it ends at the thermostat houseing.. remove the 2 10mm bolts and replace the t stat and gasket... to get better access remove the tubeing from the throttle body to air filter box. not too hard..