Hello. It is possible that your hose may need that but on the other hand many vehicles that are ten years old are still running on the original hoses. Joe
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Good god if i charged 600 bucks to replace a hose on a car i would be rich and hell ya you can check them and replace them your self. at the bottom of the radiator there is a drain valve you will have to look for it but its there once you find it put a bucket under it and open it let it drain and then use a screw driver or plyers depending on the clamp and unloosen them now grab hold the hose and give her the onion cause she aint gonna come right off now once you put the knew hose on and tighten it up do the same with the top now once the top is done pour in gallon antifrezze and a gallon of water your colling system runs off 50/50mix water and antifreeze or you can just buy pre mixed witch is easyer for most people put your radiator cap back on start that beast up and check for leaks.
1. Locate the thermostat housing by following the radiator hose from the radiator to the engine block. The metal cover that the hose attaches to is the Tahoe's thermostat housing.
Remove the radiator hose retention clip by manually squeezing the clip tabs together. With the tabs together, pull the hose off the thermostat housing. Drain the fluid from the hose by holding the hose in the air. The fluid will drain back into the radiator.
Remove the thermostat housing by taking off the two bolts with a boxed wrench. Lift the hosing off the engine to expose the thermostat.
Pull the old thermostat out of the Tahoe's intake manifold. Place the new one into the intake manifold with the spring-loaded end inside of the intake.
Replace the old thermostat gasket with a new one. The gasket must remain dry during the installation process.
Place the thermostat housing on top of the thermostat gasket and bolt it into place.
Squeeze the radiator hose retention clip tabs together and slide the hose back onto the thermostat housing. Let go of the tabs to secure the hose into place.
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