Contents
How do I know if my Duramax thermostat is bad?
Symptoms of a Bad or Failing Thermostat
- Temperature gauge reading very high and engine overheating.
- Temperature changing erratically.
- Coolant leaks around the thermostat housing or under the vehicle.
Why does a Duramax have two thermostats?
Their purpose is more for aerodynamics than engine cooling. The dual thermostat system was designed to accomplish the same temperature control under different load conditions. It may be necessary to block the air side of the radiator to allow the liquid temperature to get high enough to evoke full coolant flow.
How often should I change my trucks thermostat?
Generally, a car thermostat last ten years. But it can be different for many vehicles. Well, there are many symptoms you will notice when the life of your car’s thermostat finishes.
Where are the thermostats on a 2006 Duramax?
The thermostats are both located near the front center of the engine in between the alternator and AC compressor.
What is the best year for Duramax?
Any generation duramax will pull a 3 horse trailer handily. They all have their own quirks and issues that can be resolved, and once they are, you’ve got a reliable, strong truck for many miles. Most will say the 06-07 LBZ model to be the most desirable and reliable platform.
How do you replace the thermostat on a Chevy Silverado?
Correctly position the new thermostat and thermostat housing into the housing block. Fasten the two 10mm housing bolts by hand. Then tighten the bolts to about 15 to 17 ft-lbs. Slide the coolant hose back onto the housing, and use pliers to unlock the hose clamps.
How to replace the thermostat on a Duramax Diesel?
Remove the 12mm bolt holding the black coolant pipe to the thermostat housing 3. Remove the four 12mm bolts in the thermostat housing. 4. Now we need to loosen the black coolant pipe so we have some play in it. First remove the 12mm bolt holding the black coolant pipe to the drivers side head.
Where is the bleeder screw on a Duramax thermostat?
Remove the bleeder screw on top of the thermostat housing (circled in picture). Add coolant to the coolant tank on the passenger side between the air box and battery. Mine took about 3/4 of a gallon. When full, coolant will come out of bleeder screw, when this happens, replace bleeder screw and top off tank to appropriate level.
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.