Where is the thermostat on a LLY Duramax?
The thermostats are both located near the front center of the engine in between the alternator and AC compressor.
How do you know if you have a bad thermostat?
HVAC system won’t turn on: The most obvious sign of a bad thermostat is that the HVAC system in your building won’t turn on or respond to the thermostat. You should be able to turn on your heating or cooling system from the thermostat, or change operation back and forth from heating to cooling.
What temperature should a Duramax run at?
Anything under 235 is normal temp for these engines, and is where they are designed to run. As for the trans, anything under 220 or so is fine. Even 220 isn’t bad if your towing. if it has the factory DEX VI in it, it is good to around 235-240 without much breakdown.
What does code P01f0 mean?
The GMC code P01f0 code is letting You know that Your coolant thermostat temperature is below the diagnostic monitoring temperature for optimal efficiency. There could be many causes for this such as a faulty or stuck thermostat, bad coolant temp sensor, and a radiator fan that does not turn off.
What temp should a 2005 Duramax run at?
05 3500 2wd Mine runs cool 170-180 when outside temps are down and when the temps go up so do my coolant temps. 80-90 deg gets about 192 deg 100 deg gets me about 197, towing temps gets 200-205 and up.
What does error code P0128 mean?
The P0128 code means that the engine coolant is not getting warm enough, fast enough. In other words, there is a problem with the engine operating temperature not being reached within a certain amount of time. The Engine Control Module (ECM) determines this length of time based on ambient temperature.
Is there a high temp thermostat for a Duramax?
The Mishimoto Chevrolet Duramax high-temperature thermostats activate at a higher temperature than the OEM thermostats, making them the perfect solution for Duramax owners who live in colder climates or have trouble reaching operating temperatures.
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.
Where is the drain valve on a Duramax?
There is a drain valve on the bottom of the radiator on the passenger side. REMOVE THE SURGE TANK CAP FIRST to remove pressure from the system, then replace surge tank cap and remove drain plug. This will allow somewhat of an air-lock so the coolant will drip out instead of spray. 1.