Why is the thermostat on my GMC Sierra running?
When your engine is running and generating heat, your thermostat is hard at work. It opens and closes according to the temperature of your coolant in your engine, in order to regulate the temperature of your vehicle. When one goes bad, it is usually stuck shut or won’t open enough, which traps the hot coolant in the engine, causing it to overheat.
What happens if the thermostat on my car fails?
A thermostat that fails “closed” will cause an overheating condition. Conversely, a thermostat that sticks in the closed position will completely block coolant flow to the radiator where heat is disbursed away to the outside air. Engine temperatures climb rapidly and dangerous overheating soon results.
What’s the temperature rating on a car thermostat?
Thermostats have a temperature “rating” (such as 180 or 190 degrees Fahrenheit) which is the temperature at which the thermostat begins to open. It will reach the fully open point approximately 15 to 20 degrees higher.
When is it time to replace my engine thermostat?
Instead, the coolant is redirected back into the engine block to ensure it reaches its ideal temperature (around 190 degrees) sooner – regardless of how hot or cold the outside air is. The components of a typical engine thermostat.
When your engine is running and generating heat, your thermostat is hard at work. It opens and closes according to the temperature of your coolant in your engine, in order to regulate the temperature of your vehicle. When one goes bad, it is usually stuck shut or won’t open enough, which traps the hot coolant in the engine, causing it to overheat.
Why is my engine temp gauge not working?
Then one day the check engine light was on so I had the codes ran and it said it was either the thermostat or the temp sensor, but then the light went off and all was good. The next day the temp gauge wouldn’t work so I changed the sensor but that didn’t fix the problem.
What happens when the thermostat on a GM 4.3L fails?
When the thermostat, in your GM 4.3L, 5.0L or 5.7L pick up, SUV, or van fails, it does one of two things: it stays stuck open or stuck closed. If it stays stuck closed, your pick up (van or SUV) will overheat.
Why is my engine temp not working on my Silverado?
I have a 2014 Silverado Z-71. One day I noticed the cooling fans staying on longer after engine shut off, thought nothing of it. Then one day the check engine light was on so I had the codes ran and it said it was either the thermostat or the temp sensor, but then the light went off and all was good.
Why is the thermostat stuck on my GMC Sierra?
When one goes bad, it is usually stuck shut or won’t open enough, which traps the hot coolant in the engine, causing it to overheat. Remove the thermostat from the engine by following the upper radiator hose to where it meets the thermostat housing. The thermostat housing is where the opposite end of the upper radiator hose mounts to the engine.
Then one day the check engine light was on so I had the codes ran and it said it was either the thermostat or the temp sensor, but then the light went off and all was good. The next day the temp gauge wouldn’t work so I changed the sensor but that didn’t fix the problem.
I have a 2014 Silverado Z-71. One day I noticed the cooling fans staying on longer after engine shut off, thought nothing of it. Then one day the check engine light was on so I had the codes ran and it said it was either the thermostat or the temp sensor, but then the light went off and all was good.
How do you remove the thermostat from an engine?
Remove the thermostat from the engine by following the upper radiator hose to where it meets the thermostat housing. The thermostat housing is where the opposite end of the upper radiator hose mounts to the engine. Drain enough coolant from radiator until it is below thermostat.
Where is the TCCM module found on the 2008 2500HD Sierra?
Where is the TCCM module found on the 2008 2500HD Sierra? Tech 2 won’t communicate with TCCM to relearn motor and GMC 2500HD Sierra: Where is the TCCM module found on the 2008… That is possible, Here are some tests for the actual codes.
Remove the thermostat from the engine by following the upper radiator hose to where it meets the thermostat housing. The thermostat housing is where the opposite end of the upper radiator hose mounts to the engine. Drain enough coolant from radiator until it is below thermostat.
How does the thermostat work in a car?
A thermostat is small but plays a big role in your car’s temperature. When your engine is running and generating heat, your thermostat is hard at work. It opens and closes according to the temperature of your coolant in your engine, in order to regulate the temperature of your vehicle.
What makes a GM thermostat an OEM part?
OEM GM thermostats are made from quality materials that make it last as long as the original thermostat. A GM thermostat is an exact fit replacement part that never needs to be modified in order to get it to fit. When you buy your OEM GM parts from us, you’ll get fast, affordable shipping. Order today and get back on the road.
How to replace the thermostat on a GMC Duramax?
Take the two old thermostats out and be sure to clean out all of the old rubber gaskets on the thermostats. 10. Install the new thermostats (the longer one in the front) and reinstall. Make sure the drain holes on the thermostat are to the rear of the truck.
Where are the thermostats located on a LLY truck?
Enter your ride HERE to be a part of this months Ride of the Month Challenge! Here is a DIY for replacing thermostats. This was done on an LLY truck, but I would imagine it is the same or similar across all platforms. The thermostats are both located near the front center of the engine in between the alternator and AC compressor.