What do I need to replace my GMC Sierra thermostat?
What do I need to replace my GMC Sierra thermostat?
Because this guide focuses on replacing your Sierra thermostat, if you are still having overheating problems, check our guide on overheating GEN III engines, and how to troubleshoot overheating. To replace your 4.8 liter Sierra thermostat, you’ll need coolant as well as a 10mm socket and wrench.
When to replace coolant thermostat on a Duramax Diesel?
This is a video I put together of me replacing my thermostats on my 2011 Duramax Diesel. This has the LML motor which was used in all chevy and GMC diesels from 2011 to 2016. So this should work for all those years. I Recommend you replace with AC DELCO parts. I did not use AC DELCO because no parts stores had them on hand.
Why does my GMC Sierra thermostat Read Hot?
There’s a wax thermal pellet incorporated inside your GM thermostat, and if that’s stuck closed the lower radiator hose will remain cool, even though your temperature meter reads hot. Because this guide is working on hot components and near your exhaust and cooling fan, if you are not comfortable working on your own vehicle, stop now.
What is the thermostat part number on a Sierra?
The part number for the factory thermostat for your Sierra is GM part number 12562740, 12571261, or 12562740. The temperature rating for these thermostats is 186 degrees, and that is the stock rating for your Sierra.
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.
What should the thermostat be on a Chevy Silverado?
Figure 1. Chevy Silverado thermostat and housing. Thermostats have a rated temperature listed on them. Most commonly, thermostats are rated at 180, 190, and 200 degrees Fahrenheit, which fully open about 20 degrees after its temperature rating. Common problems associated with thermostats is engine overheating or an engine that runs too cold.
What kind of differential does a GMC 2500HD use?
Put the Cognito 210-90192 CV Front Driveshaft in your lifted 2001-2016 Chevrolet and GMC 2500HD/3500HD pickup. This driveshaft is made for use with Cognito 7″-9″ and 10″-12″ Lift Kits. This component is an American made direct bolt in and features a 1310 series double cardan CV.
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.
