Engine Block Coolant Drain Plug

Run the engine for 30 seconds or so and drain it again.

Engine block coolant drain plug.

I have put 4 in the last 6 years the last one only lasted 1 week to the day. You can see it through the passenger fenderwell. They re on the side of engine block just above where the oil pan bolts on about mid ways of the side. Step 1 place a drain pan under the petcock of the radiator located on the driver s side of the radiator at the bottom.

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. Hi has anyone put a petcock drain in the engine block instead off just the plain plug. Do this several times until it drains out clear.

Engine coolan plugs aluminum chevy small block ls gen iii and gen iv small block lt gen v each not yet reviewed. 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. To make it so much nicer to drain the block when you change coolant or to replace frost plug heaters.