shenning

Does anyone have any tips on doing a coolant flush on my '99 3.8 L GP GT? I've look around the bottom of the radiator and can't seem to find a drain cock. If there is a specific procedure that anyone has, it would be a good post for the tips and maintenance section.

Thanks for your help.

richtazz

the drain cock should be located on the bottom of the drivers side tank. It may be difficult to see with the fans and air cleaner in the way. It should go in horizontal facing the rear of the vehicle.

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grandprixgtx00

its easier if you just take the lower radiator hose off

its really easy to break that stupid little plastic drain plug, so i dont even mess with it.

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as of Oct 2009:

'97 Grand Prix sleeper SE (133K) For Sale
'98 Grand Prix GT coupe (88K) Project car
'00 Grand Prix GTX coupe (32K) Sold 10/16/09
'06 Chevy Impala SS (30K) Daily Driver

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'08 Pontiac G6 GT (22K)

proud member of Wisconsin Club Grand Prix

scubamoo

Here's a link to some "how-to" videos by Prestone. One is for flushing the coolant system.

http://www.prestone.com/carcare/howto.php

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'99 Pontiac Grand Prix GTP - Series II 3800 V6 Supercharged
'98 Dodge Ram 2500 - 5.9L 24v Cummins Diesel

shenning

Thanks for the help, everyone.