Repairing an overheating Chevrolet TrailBlazer may identical hardy be as elementary as replacing a damaging thermostat. After all, the thermostat is decision-making for regulating the coolant flow completed your Engine. When the engine is running refreshing, the thermostat Testament not dispatch as still coolant terminated your Engine as when the engine is running hotter. The thermostat is further required to fabricate your heater drudge. The blower Engine circulates the heat from the blazing coolant. Whether your Chevy is overheating or your heater is blowing brumal, endeavor replacing the thermostat; in many cases, that Testament establish the botheration.
Instructions
Removing the Old Thermostat
1. Dehiscent the hood of your TrailBlazer to access the engine compartment. Set the top radiator hose to jewel the thermostat housing where the hose ends at the Engine.
2. Remove the radiator hose with a Phillips screwdriver. Depending on the hose clamp your imitation uses, you may must to adoption a duo of pliers to squeeze the tabs on the hose clamp.
3. Remove the thermostat housing contain by using the socket wrench to pull outside the two bolts on the housing.
4. Scrape the mature gasket news off the lips of the thermostat housing, where the top and bottom of the housing meet, using a putty knife or razor blade. Scrape the gasket until the housing is smooth to the touch.
5. Remove the thermostat by pulling it out with your fingers. Note the position it was sitting in when you pulled it out. You must place the new one in the same position for it to operate correctly.
Installing the New Thermostat
6. Place the thermostat in the housing.
This will be a good chance to examine the hose for tears or holes. Tighten the hose with new hose clamps, which will help to prevent any cooling system malfunction in the future.10. Just place the top of the housing flush with the bottom, which will create a seal.
8. Bolt the housing together. Tighten the bolts with the socket wrench to ensure you get a good seal.
9. Install the radiator hose from the top of the radiator to the housing assembly for the thermostat.7. Place the new gasket on the lip of the housing. Do not use silicone.
Check the radiator to ensure the coolant system is full, and refill as needed.
