Engine Block Coolant Drain Plug

To make it so much nicer to drain the block when you change coolant or to replace frost plug heaters.

Engine block coolant drain plug.

Do this several times until it drains out clear. You can see it through the passenger fenderwell. Engine coolan plugs aluminum chevy small block ls gen iii and gen iv small block lt gen v each not yet reviewed. If you can get them loose you can drain the water out of the block and flush it too a lot of sediment will be in there.

Drain the radiator close the drain plug and refill it with water. The block plug is on the passenger side of the block right in front of the motor mount and behind the a c compressor. Run the engine for 30 seconds or so and drain it again. I have put 4 in the last 6 years the last one only lasted 1 week to the day.

Engine block drains allow you to drain coolant from the engine block the petcock on the radiator will only allow you to drain the radiator and lines if that is all you have drained then you have left the job half done. Like the old style that came in 60 s 70 s in the radiator of the pick up s. Hi has anyone put a petcock drain in the engine block instead off just the plain plug.