Remove the plug at the bottom or the rear of the radiator or remove the lower radiator hose
AnswerDriver's side front of the radiator, inline with the drain at the bottom of the radiator.
There should be a radiator drain on bottom right side. turn it until it stops then pull out on it.
It screws out.
Open plug at bottom or rear bottom of radiator
On my 1997 & 1998 Luminas, the drain is on the lower drivers side of the radiator. Be careful, they break easily. If it is alredy broken, you will have to use the lower radiator hose.
drivers side on bottom of radiator it is plastic and on mine it is light green
It will be on the inside right bottom side of radiator. HARD TO SEE.
Look at the bottom of the radiator--maybe in the middle or on one side. It may be easier to remove to lower hose to drain.
take the radiator cap off and losen the drain cock on the bottom of the radiator
The wheels on a 1998 Chevy Silverado are 288 x 288. The first GMT800 Silverado/ Sierra were released in 1998 as 1999 models. The Chevy Silverado is available with either rear wheel drive or four wheel drive.
bottom of radiator.
Some radiators dont have a drain plug and the ones that do is hard to reach. Its easier and quicker to remove the lower radiator hose. (passenger side,below the engine)