Question about 2004 Chevrolet Tahoe
Where is it
The thermostat is built into the water neck housing on the LOWER radiator hose where it bolts to the water pump. This is because of the reverse flow cooling system.
Posted on Nov 26, 2013
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Posted on Jan 02, 2017
Tips for a great answer:
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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