The thermostat in a Accepted Motors LS1 engine is designed to prevent coolant from circulating on ice the engine until it reaches operating temperature, allowing the engine to broiling up quickly. When the thermostat fails, the engine may overheat whereas coolant is never allowed launch circulating wrapped up the engine. The thermostat is located on the front of the engine to the fitting of the battery. An aluminium thermostat housing covers the thermostat and is secured to the engine block with two 10 mm bolts. Replacement thermostats are available from Car parts stores and Chevrolet dealerships.
1. Arena the vehicle on a constant surface and shift the transmission into grassland (automatic) or early gear (publication). Engage the emergency brake, turn off the engine and unlatched the hood. Permit the vehicle to chilly for 60 minutes.
2. Remove the radiator cap by pushing down on it and turning counterclockwise. This relieves the force from the cooling step.
3. Place the aluminium thermostat housing on the front left side of the engine block, to the appropriate of the vehicle's battery. It has a livid coolant hose attached to it and is secured to the block with two 10 mm metric steel bolts.
4. Allot a empty pan underneath the vehicle and remove the two thermostat housing bolts using a 3/8-inch ratchet and a 10 mm socket. Replace the radiator cap, start the engine and check for leaks.
Berth a latest thermostat in the engine block and reinstall the thermostat housing. Unscrew the incorporate from the coolant reservoir and add engine coolant until the level is even with the "FULL COLD" mark.
6. Pull the thermostat housing elsewhere from the engine block and remove the thermostat. Modify the rubber o-ring on the thermostat housing.5.