Can a Duramax engine block heater be disabled?
They take a ton of abuse. Had to replace them on my old 2011 at 140k miles. Certain 2017 – 2019 model year Chevrolet Silverado 2500/3500 and GMC Sierra 2500/3500 vehicles, equipped with the 6.6l Duramax diesel engine (RPO L5P) and optional engine-block heater cord, may have a condition in which the block heater cable function was disabled.
When does the GMC engine block heater turn on?
The factory GM block heaters have a special thermostat built into the plug that turns on when it drops below zero degrees F. If you bypass the thermostat you will get a “Service Engine Soon” warning light as the ECM will be confused why the coolant temp is substantially greater than the OAT.
Is there a recall on Silverado HD engine block heater?
General Motors will be issuing a recall of 2017-2019 Silverado HD and Sierra HD diesel trucks over fire risk concerns involving the engine block heater. According to GM, the heater wiring can cause a short circuit and start a fire, and there have been 19 such incidents, thankfully without any injuries or fatalities.
Can a engine block heater cause a fire?
According to GM, the heater wiring can cause a short circuit and start a fire, and there have been 19 such incidents, thankfully without any injuries or fatalities. Of the affected trucks, majority (324,226 units) are in the US, while 40,319 units are in Canada. About 61,000 trucks are currently being held in dealership lots.
What is an engine block heater used for?
Help others learn more about this product by uploading a video! Engine Block Heaters are used to heat the engine block and engine fluids of gas and diesel vehicles as an aid to starting in cold weather.
Where is the drain plug for an engine block heater?
Slide a pan under the engine and pull out the specified drain plug. This is usually at the rear of the engine block. Remove the radiator cap to accelerate drainage. Prefit the connection between the heating rod and the power cord in case you have to do it blind later. Drop the male end of the cord into the engine compartment.