winterset Posted August 22, 2014 Report Share Posted August 22, 2014 (edited) I wanted to change the coolant on my '96 Deville. Its been 4 years since the last time i changed it. I took out the airbox, and i couldn't turn the drain (at the bottom on the drivers side radiator). I took a mismatch 1/4 drive bit socket from the bottom of my toolbox, used my dremmel, and made a slit in the front, and placed the bit on the drain, lined up the slit, and unracheted the plastic drain off. I got 2 gallons out. Filled it with 1 gallon of distilled, and 1 gallon of GM approved Dexcool. The prestone dexcool was $17.99 a gallon! Ouch Then i made another round of turkey basting the power steering fluid out, and filled it with fresh blue ps fluid. I think all the fluids in the car are less than 6 months old now. I decided not to put the baars stop leak in yet. It took 2 cooling cycles to let me put in the full 2 gallons into the surge tank. I am good for another 4 years on the coolant and by that time the car will be 23 years old!! Edited August 23, 2014 by winterset Texas Jim 1 Quote Link to comment Share on other sites More sharing options...
rockfangd Posted August 23, 2014 Report Share Posted August 23, 2014 I have a 9/16 socket I modified for the wing type plugs. Works great as long as you are careful. It is always good to change out some power steering fluid Quote GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
winterset Posted August 23, 2014 Author Report Share Posted August 23, 2014 Before i started the swap 2 weeks ago, the old power steering fluid was a brown/black color and smelled burnt. I never had a problem with the steering system. That was the 4th batch to suck out, and now it looks like a light amber color. All i want is another 18 trouble free years! Quote Link to comment Share on other sites More sharing options...
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